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1039-309

Socket Head Cap Screw

This page provides complete and verified information for part number 1039-309, NSN 5305-00-143-3357

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.

1039-309
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-143-3357
Item Name Code
16282
Assigment Date
09/30/1968 (57 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

flat chamfer head style, 0.625 inches minimum thread length, 0.720 inches nominal fastener length, right-hand thread direction, 3a thread class

Characteristics

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

Thread Class
3a
Thread Direction
right-hand
Thread Length
0.625 inches minimum
Fastener Length
0.720 inches nominal
Head Style
flat chamfer
Head Diameter
0.365 inches minimum and 0.375 inches maximum
Head Height
0.240 inches minimum and 0.250 inches maximum
Hole Diameter
0.046 inches nominal
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250 inches
Width Across Flats
0.187 inches nominal
Hole Quantity
6
Hole Type
drilled
Thread Quantity Per Inch
28
Minimum Tensile Strength
160000 pounds per square inch
Hardness Rating
36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style
round internal hexagon
Material
steel overall
Material Document And Classification
ams 6322 assn std single material response overall
Surface Treatment
cadmium overall
Surface Treatment Document And Classification
qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator
unjf

Classification Data

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

Type of Item Identification
K - Full descriptive - reference 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
A003B0
Precious Metals Indicator
U - Precious metal content is unknown
Pseudo Item Name Code
0016282
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
7318152000

Freight Information

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

Major Organizational Entity
SG
National Motor Freight Classification Item Number
096640
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
50600
National Motor Freight Class Rating
Q - 70.0
Water Commodity
713 - Metal hardware
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
HZ -
National Motor Freight Description
screws, iron or steel

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 1039-309

What is the FSCG of the NSN 5305-00-143-3357?
The FSCG of the NSN 5305-00-143-3357 is 5305
Does the NSN 5305-00-143-3357 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-143-3357 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 5305-00-143-3357 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-143-3357 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 5305-00-143-3357 was assigned to the Federal Catalog?
It was assigned 57 years ago, on Mon, Sep 30, 1968

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