5305-01-243-0756
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-243-0756
- (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
- 10/22/1986 (39 years ago)
1.576 inches minimum and 1.606 inches maximum fastener length, 0.378 inches minimum and 0.428 inches maximum thread length, 3a thread class, flat countersunk head style, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.378 inches minimum and 0.428 inches maximum
1.576 inches minimum and 1.606 inches maximum
flat countersunk
0.350 inches minimum and 0.399 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
offset cruciform (torque set)
0.250 inches
1.178 inches minimum and 1.198 inches maximum
28
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
32.0 microinches grip
32.0 microinches threads
iron alloy 660 overall
ams5731 assn std single material response or ams5732 assn std single material response or ams5737 assn std single material response overall
passivate overall
qq-p-35 fed spec single treatment response overall
unjf
80205-nas1581 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 |
|---|---|
| NAS1581C4T19 | Close Tolerance Screw |