5305-01-277-4345
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-277-4345
- (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
- 04/22/1988 (38 years ago)
flat countersunk head style, right-hand thread direction, 3a thread class, 0.476 inches minimum and 0.526 inches maximum thread length, 1.924 inches minimum and 1.954 inches maximum fastener length
Specs & Compatibility
3a
right-hand
0.476 inches minimum and 0.526 inches maximum
1.924 inches minimum and 1.954 inches maximum
flat countersunk
0.578 inches minimum and 0.634 inches maximum
0.3110 inches minimum and 0.3120 inches maximum
offset cruciform (torque set)
0.312 inches
1.428 inches minimum and 1.448 inches maximum
24
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
steel comp 4140 or steel comp e4340 or steel comp 8740 overall
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
cadmium and chromate overall
qq-p-416 ty 2 cl 2 fed spec single treatment response overall
unjf
80205-nas1580 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.
0029294
Related Hardware Products
| Part Number | Description |
|---|---|
| NAS1580A5T23 | Close Tolerance Screw |