5305-01-666-0819
Socket Head Cap Screw
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Official Item Classification
- Name
- Socket Head Cap Screw
- (NSN) National Stock Number
- 5305-01-666-0819
- (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
- 08/23/2017 (9 years ago)
3a thread class, 1.75 inches minimum thread length, right-hand thread direction, flat chamfer head style, 2.25 inches nominal fastener length
Specs & Compatibility
3a
right-hand
1.75 inches minimum
2.25 inches nominal
flat chamfer
0.921 inches minimum and 0.937 inches maximum
0.616 inches minimum and 0.625 inches maximum
hexagon
0.6250 inches
0.500 inches nominal
18
30.0 degrees minimum and 45.0 degrees maximum
screw,cap,socket head,undrilled and drilled,plain and self-locking,alloy steel,corrosion-resistant steel and heat-resistant steel,unrf-3a
black overall
steel corrosion resisting overall
ff-s-86 fed spec single material response overall
oxide overall
mil-dtl-13924,class 1 mil spec single treatment response overall
unrf
80205-nas1351 professional/industrial association standard
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.
0016282
Related Hardware Products
| Part Number | Description |
|---|---|
| NAS1351-10-36 | Socket Head Cap Screw |