5305-01-019-0837
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-019-0837
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 29294
- (FIIG) Federal Item Identification Guide
- A003B0
- Date
- 04/14/1976 (50 years ago)
3a thread class, flat countersunk head style, 0.397 inches nominal thread length, 1.570 inches minimum and 1.600 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.397 inches nominal
1.570 inches minimum and 1.600 inches maximum
flat countersunk
0.497 inches minimum and 0.507 inches maximum
0.2490 inches minimum and 0.2495 inches maximum
0.076 inches minimum and 0.081 inches maximum first hole
high-torque
0.250 inches
1.178 inches minimum and 1.198 inches maximum
28
100.0 degrees nominal
1.469 inches minimum and 1.479 inches maximum first hole
steel corrosion resisting overall
passivate overall
unjf
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.
0029294
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| Part Number | Description |
|---|---|
| HT4036-4D19 | Close Tolerance Screw |
| ST3M680-4D19 | Close Tolerance Screw |