5305-00-143-9781
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.
Featured Parts
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 UsCertified 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
- 5305-00-143-9781
- (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
- 01/10/1973 (53 years ago)
2.500 inches nominal fastener length, 1.250 inches nominal thread length, right-hand thread direction, 2a thread class, hexagon head style
Specs & Compatibility
2a
right-hand
1.250 inches nominal
2.500 inches nominal
hexagon
0.302 inches minimum and 0.364 inches maximum
0.725 inches minimum and 0.750 inches maximum
0.500 inches
13
80000 pounds per square inch
80.0 rockwell b minimum overall
40000 pounds per square inch
nickel alloy 400 overall
qq-n-281 class a fed spec single material response overall
unc
Regulatory Compliance
Precious metal content is unknown
The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
0018257
Related Hardware Products
| Part Number | Description |
|---|---|
| 2663140OC87 | Hexagon Head Cap Screw |
| 49651-79X1-87 | Hexagon Head Cap Screw |
| 803-2177917-2-17 | Hexagon Head Cap Screw |
| MIL-DTL-1222J | Hexagon Head Cap Screw |
| MIL-S-1222 TY1 GR 400 | Hexagon Head Cap Screw |