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SM-C-800983-51 Socket Head Cap Screw

5305-01-243-9352

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
SM-C-800983-51
(NSN) National Stock Number
5305-01-243-9352
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
16282
(FIIG) Federal Item Identification Guide
A003B0
Date
11/05/1986 (39 years ago)

3a thread class, right-hand thread direction, round head style, 0.413 inches minimum and 0.516 inches maximum thread length, 0.484 inches minimum and 0.516 inches maximum fastener length

Specs & Compatibility

Thread Class

3a

Thread Direction

right-hand

Thread Length

0.413 inches minimum and 0.516 inches maximum

Fastener Length

0.484 inches minimum and 0.516 inches maximum

Head Style

round

Head Diameter

0.419 inches minimum and 0.437 inches maximum

Head Height

0.122 inches minimum and 0.132 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.250 inches

Width Across Flats

0.1562 inches minimum and 0.1582 inches maximum

Thread Quantity Per Inch

28

Minimum Tensile Strength

160000 pounds per square inch

Hardness Rating

36.0 rockwell c minimum and 45.0 rockwell c maximum overall

Material

steel comp 1320 or steel comp 1330 or steel comp 3115 or steel comp 4012 or steel comp 4023 or steel comp 4130 or steel comp 4340 or steel comp 4427 or steel comp 8615 or steel comp 8740 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

cadmium and chromate overall

Surface Treatment Document And Classification

qq-p-416,type 2 class 3 fed spec single treatment response overall

Thread Series Designator

unf

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0016282

Related Hardware Products

Part Number Description
SM-C-800983-51 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-243-9352?
The FSCG of the NSN 5305-01-243-9352 is 5305
Does the NSN 5305-01-243-9352 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-243-9352 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 5305-01-243-9352 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-243-9352 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 5305-01-243-9352 was assigned to the Federal Catalog?
It was assigned 39 years ago, on Wed, Nov 5, 1986