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SP502 Hexagon Head Cap Screw

5305-00-021-4002

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Official Item Classification

Name
Hexagon Head Cap Screw
Part Number
SP502
(NSN) National Stock Number
5305-00-021-4002
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

hexagon head style, 0.750 inches nominal fastener length, right-hand thread direction, 0.750 inches nominal thread length, 2a thread class

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.750 inches nominal

Fastener Length

0.750 inches nominal

Head Style

hexagon

Head Height

0.188 inches nominal

Width Between Flats

0.438 inches nominal

Nominal Thread Diameter

0.250 inches

Thread Quantity Per Inch

20

Hardness Rating

100.0 rockwell b maximum overall

Material

steel overall

Surface Treatment

cadmium overall

Thread Series Designator

unc

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

0018257

Related Hardware Products

Part Number Description
143177 Hexagon Head Cap Screw
214002 Hexagon Head Cap Screw
6S8 Hexagon Head Cap Screw
76771 Hexagon Head Cap Screw
SP502 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-021-4002?
The FSCG of the NSN 5305-00-021-4002 is 5305
Does the NSN 5305-00-021-4002 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-021-4002 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 5305-00-021-4002 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-021-4002 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 5305-00-021-4002 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963