5305-00-121-8908
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-00-121-8908
- (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
- 10/25/1968 (57 years ago)
0.282 inches minimum and 0.333 inches maximum thread length, flat countersunk head style, 3a thread class, 1.356 inches minimum and 1.376 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.282 inches minimum and 0.333 inches maximum
1.356 inches minimum and 1.376 inches maximum
flat countersunk
0.449 inches minimum and 0.507 inches maximum
detent ring grip
0.2483 inches minimum and 0.2492 inches maximum
0.076 inches minimum and 0.086 inches maximum first hole
high-torque
0.250 inches
0.938 inches minimum and 0.954 inches maximum
28
36.0 rockwell c minimum and 41.0 rockwell c maximum overall
100.0 degrees nominal
1.256 inches minimum and 1.286 inches maximum first hole
63.0 microinches grip
63.0 microinches top of head
steel overall
mil-b-83050 mil spec single material response overall
cadmium and chromate overall
qq-p-416 ty 2 cl 2 fed spec single treatment response overall
unjf
Replacement For
| Part Number | Description | |
|---|---|---|
| 5305-01-071-8765 | No Name Available | 06/01/2006 |
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.
0029294
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