Aerospace Hardware Store

Aerospace

Hardware

5305-00-021-8316

Hexagon Head Cap Screw

Specifications, compliance details, and sourcing options for this NSN. Request a quote to confirm availability, pricing, and lead time.

Request for Quote

Send us a request for quote using the form below. Our team will promptly provide you with the latest pricing and availability details.

AS9120 ISO9001 Aviation Suppliers Association Global Shipping

Featured Parts

C2029-5
5940-00-881-2020
Lug Terminal
C20299
4730-01-657-1985
Hose Clamp
C2029B
4820-01-216-1126
Valve Cap
C203
5340-00-469-3537
Strapping
C203-617-118
5340-00-498-6083
Extension Drawer Slide
C2030-1
5340-00-907-0616
Loop Clamp
C2030-4
4730-00-173-5141
Hose Clamp
C2030-5
5340-00-489-3433
Utility Resilient Mount

Need Assistance?

Our catalog is extensive, but we understand that sometimes specific needs might not be immediately available. If you could not find the exact products you were searching for, we are here to help!

Contact us directly, and our team will assist you in finding the perfect solution for your requirements.

Contact Us

Certified Supplier

Order with confidence. We are a valued certified supplier serving customers in the military and aerospace industries.

  • Genuine Manufacturers Parts
  • 100% Product Inspection
  • 7 Year Sales Record Retention
  • Fast On-Time Delivery
  • HAZMAT Certified
  • Global Shipping

Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-021-8316
(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)

2a thread class, 3.500 inches nominal fastener length, 1.250 inches minimum thread length, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

1.250 inches minimum

Fastener Length

3.500 inches nominal

Head Style

hexagon

Head Height

0.297 inches nominal

Width Between Flats

0.750 inches nominal

Nominal Thread Diameter

0.500 inches

Thread Quantity Per Inch

13

Material

steel 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.

Source of Supply Code

S9I

Pseudo Item Name Code

0018257

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-021-8316?
The FSCG of the NSN 5305-00-021-8316 is 5305
Does the NSN 5305-00-021-8316 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-021-8316 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 5305-00-021-8316 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-021-8316 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 5305-00-021-8316 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963