BB19349

Hexagon Plain Nut

This page provides complete and verified information for part number BB19349, NSN 5310-00-021-8564

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

BB19349
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-021-8564
Item Name Code
01857
Assigment Date
01/01/1961 (65 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

2b thread class, 0.563 inches nominal width across flats, 0.250 inches nominal nut height, right-hand thread direction, hexagon nut style

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class
2b
Thread Direction
right-hand
Nut Style
hexagon
Nut Height
0.250 inches nominal
Width Across Flats
0.563 inches nominal
Thread Series
unf
Thread Quantity Per Inch
24
Nominal Thread Size
0.312 inches
Bearing Surface Type
washer faced
Material
steel overall
Material Document And Classification
qq-s-633-canc fed spec single material response overall
Nondefinitive Spec/Std Data
a type
Departure From Cited Document
as modified by nut height

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
1 - Full descriptive item identification
Demilitarization
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A021A0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0001857
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
7318160000

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
093486
National Motor Freight Classification Sub-Item Number
Z
Uniform Freight Classification Item Number
48950
National Motor Freight Class Rating
W - Rating variable
Less than Car Load Rating
U - 50.0
Water Commodity
573 - Bolts or nuts (iron or steel),(less than 35 feet)
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
BZ -
National Motor Freight Description
bolts,nuts or screws, noi (sub 3)

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for BB19349

What is the FSCG of the NSN 5310-00-021-8564?
The FSCG of the NSN 5310-00-021-8564 is 5310
Does the NSN 5310-00-021-8564 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-021-8564 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5310-00-021-8564 contain precious materials?
Precious metal content is unknown
Does NSN 5310-00-021-8564 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5310-00-021-8564 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

Need Consumables?

Running low on essential supplies? Explore our extensive catalog of high-quality consumables designed to keep your operations on track.

Electrical Wires

Recommended for You

Discover a selection of other high-demand NSN components from our catalog. These featured parts are frequently sourced by procurement teams across defense, aerospace, and industrial sectors.

Price & Availability

Fill out the form to get accurate pricing, lead time, and stock details from our NSN specialists:

FREE

Aviation Suppliers Association Member AS9120-ISO9001 Certification

Popular Parts

Browse our top-performing parts, selected based on customer demand and procurement frequency. All listings include up-to-date specs, availability, and condition:

479109
6680-00-243-7096
Switch Cam
47910941
4810-01-142-0256
Solenoid Valve
47911
5360-00-075-2038
Compression Helical Spring
47911-1
5962-01-242-3551
Digital Microcircuit
479110
5930-00-153-6415
Sensitive Switch
4791102
2530-00-919-4907
Hydraulic Brak Cylinder Assembly
4791107
5360-01-379-4096
Compression Helical Spring
479111
5930-00-077-2038
Switch Actuator Adapter
4791119
2530-01-185-7909
Steering Wheel
47911265-04
4320-01-387-8002
Reciprocating Pump
479113PC8
5305-00-273-6270
Socket Head Cap Screw
479115-1
5355-01-039-4491
Dial Window
4791157
5920-01-107-6613
Extractor Post Fuseholder
4791157-3
5920-01-107-6613
Extractor Post Fuseholder
479118PC4
5305-00-273-5591
Socket Head Cap Screw