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5310-00-178-0166

Extended Washer Self-Locking Nut

Find complete technical information, availability, and procurement data for NSN 5310-00-178-0166 All details are based on official government and industry records to support accurate and compliant procurement.

5310-00-178-0166
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5310 Nuts and Washers
National Stock Number
5310-00-178-0166
Item Name Code
29729
Assigment Date
02/24/1973 (53 years ago)

0.282 inches minimum and 0.328 inches maximum overall height, prevailing torque all metal design locking feature, 3b thread class, 0.399 inches minimum and 0.440 inches maximum washer outside diameter, right-hand thread direction

Characteristics

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

Thread Class
3b
Thread Direction
right-hand
Locking Feature
prevailing torque all metal design
Washer Outside Diameter
0.399 inches minimum and 0.440 inches maximum
Overall Height
0.282 inches minimum and 0.328 inches maximum
Nut Style
double hexagon
Washer Thickness
0.045 inches nominal
Width Across Flats
0.304 inches minimum and 0.313 inches maximum
Temp Rating
1200.0 fahrenheit nominal
Thread Series
unjf
Thread Quantity Per Inch
28
Nominal Thread Size
0.250 inches
Material
iron alloy 660 overall
Material Document And Classification
ams 5737 assn std single material response overall
Precious Material
silver
Surface Treatment
silver overall
Specification/Standard Data
0782--50t421 manufacturers specification
Nondefinitive Spec/Std Data
d class

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 5310-00-178-0166

NSN Name Date
5310-00-914-2777 No Name Available 03/01/1977

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number Name
58047-428 Extended Washer Self-Locking Nut
H19817-4 Extended Washer Self-Locking Nut
LH6124-048 Extended Washer Self-Locking Nut
R1181P004 Extended Washer Self-Locking Nut
R1181P004B Extended Washer Self-Locking Nut
R1181P004C Extended Washer Self-Locking Nut
R1181P004D Extended Washer Self-Locking Nut

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
Automatic Data Processing Point
0 - Represents items with no adp components
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
S - Item contains silver.
Pseudo Item Name Code
0029729
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
KE
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
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 5310-00-178-0166

What is the FSCG of the NSN 5310-00-178-0166?
The FSCG of the NSN 5310-00-178-0166 is 5310
Does the NSN 5310-00-178-0166 have a Schedule B code assigned?
Yes, the Schedule B code is 7318160000
Does NSN 5310-00-178-0166 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 5310-00-178-0166 contain precious materials?
Item contains silver.
Does NSN 5310-00-178-0166 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 5310-00-178-0166 was assigned to the Federal Catalog?
It was assigned 53 years ago, on Sat, Feb 24, 1973

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