5305-00-459-4690
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
- 5305-00-459-4690
- (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
- 08/19/1970 (56 years ago)
hexagon head style, 3a thread class, right-hand thread direction, 0.506 inches minimum and 0.572 inches maximum thread length, 1.891 inches minimum and 1.937 inches maximum fastener length
Specs & Compatibility
3a
right-hand
0.506 inches minimum and 0.572 inches maximum
1.891 inches minimum and 1.937 inches maximum
hexagon
0.172 inches minimum and 0.204 inches maximum
0.490 inches minimum and 0.502 inches maximum
0.312 inches
finished head
24
125000 pounds per square inch
26.0 rockwell c minimum and 32.0 rockwell c maximum overall
steel comp 4140 or steel comp 8740 or steel comp 8630 or steel comp 8735 or steel comp 4130 or steel comp 4037 overall
mil-s5626 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6758 mil spec 5th material response or ams6300 assn std 6th material response overall
cadmium and chromate overall
qq-p-416,type 2,class 3 fed spec single treatment response overall
unf
Regulatory Compliance
Item does not contain precious metal.
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 |
|---|---|
| LK21094-5022 | Hexagon Head Cap Screw |
| MS21094-5022 | Hexagon Head Cap Screw |