5305-01-381-1422
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-381-1422
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Federal Supply Classification
- 5305 Screws
- (INC) Item Name Code
- 06657
- (FIIG) Federal Item Identification Guide
- A500D0
- Date
- 10/11/1993 (32 years ago)
0.547 inches minimum and 0.593 inches maximum fastener length, 3a thread class, 0.312 inches nominal thread length, flat countersunk head style, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.312 inches nominal
0.547 inches minimum and 0.593 inches maximum
flat countersunk
0.249 inches minimum and 0.279 inches maximum
patch or strip or pellet
cross recess type 1
0.138 inches
32
125000 pounds per square inch
26.0 rockwell c minimum and 32.0 rockwell c maximum
99.0 degrees minimum and 101.0 degrees maximum
steel comp 8630
mil-s-6050 mil spec single material response
cadmium and chromate
qq-p-416 ty 2 cl 3 fed spec single treatment response
unc
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.
0006657
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| Part Number | Description |
|---|---|
| MS21091-06004 | Machine Screw |