5305-01-309-9474
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-309-9474
- (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
- 10/26/1989 (36 years ago)
3a thread class, pan no. 2 head style, right-hand thread direction, 1.326 inches minimum and 1.356 inches maximum fastener length, 0.378 inches minimum and 0.428 inches maximum thread length
Specs & Compatibility
3a
right-hand
0.378 inches minimum and 0.428 inches maximum
1.326 inches minimum and 1.356 inches maximum
pan no. 2
0.477 inches minimum and 0.492 inches maximum
0.140 inches minimum and 0.150 inches maximum
0.2490 inches minimum and 0.2495 inches maximum
torque-set ribbed
0.250 inches
0.928 inches minimum and 0.948 inches maximum
28
160000 pounds per square inch
32.0 microinches bearing surface of head
32.0 microinches grip
32.0 microinches threads
iron alloy 660 overall
ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 assn std single material response overall
passivate overall
qq-p-35 fed spec single treatment response overall
unjf
80205-nas1578 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
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| Part Number | Description |
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| NAS1578C4R15 | Close Tolerance Screw |