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126736 Socket Head Cap Screw

5305-01-045-6600

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Official Item Classification

Name
Socket Head Cap Screw
Part Number
126736
(NSN) National Stock Number
5305-01-045-6600
(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
08/07/1977 (49 years ago)

2a thread class, 0.360 inches minimum and 0.462 inches maximum thread length, right-hand thread direction, 0.542 inches minimum and 0.582 inches maximum fastener length, flat countersunk head style

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.360 inches minimum and 0.462 inches maximum

Fastener Length

0.542 inches minimum and 0.582 inches maximum

Head Style

flat countersunk

Head Diameter

0.359 inches minimum and 0.411 inches maximum

Internal Drive Style

hexagon

Nominal Thread Diameter

0.190 inches

Width Across Flats

0.125 inches minimum and 0.127 inches maximum

Thread Quantity Per Inch

32

Hardness Rating

36.0 rockwell c minimum and 43.0 rockwell c maximum overall

Countersink Angle

82.0 degrees nominal

Material

steel comp 4037 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
U

Precious metal content is unknown

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
126736 Socket Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-01-045-6600?
The FSCG of the NSN 5305-01-045-6600 is 5305
Does the NSN 5305-01-045-6600 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-045-6600 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 5305-01-045-6600 contain precious materials?
Precious metal content is unknown
Does NSN 5305-01-045-6600 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 5305-01-045-6600 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Aug 7, 1977