5305-01-421-2926
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-421-2926
- (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
- 11/04/1995 (30 years ago)
3a thread class, flat countersunk head style, 2.388 inches minimum and 2.418 inches maximum fastener length, 0.403 inches nominal thread length, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.403 inches nominal
2.388 inches minimum and 2.418 inches maximum
flat countersunk
0.464 inches minimum and 0.506 inches maximum
0.2485 inches minimum and 0.2495 inches maximum
0.076 inches minimum and 0.086 inches maximum first hole
torque-set ribbed
0.250 inches
1.990 inches minimum and 2.010 inches maximum
28
160000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
2.277 inches minimum and 2.300 inches maximum first hole
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
cadmium and chromate overall
qq-p-416 ty2 cl2 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 |
|---|---|
| NAS1580C4R32DP | Close Tolerance Screw |