5305-01-321-2196
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-01-321-2196
- (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
- 06/13/1990 (36 years ago)
flat countersunk head style, 1.066 inches minimum and 1.190 inches maximum thread length, 2a thread class, 1.188 inches minimum and 1.250 inches maximum fastener length, right-hand thread direction
Specs & Compatibility
2a
right-hand
1.066 inches minimum and 1.190 inches maximum
1.188 inches minimum and 1.250 inches maximum
flat countersunk
0.238 inches minimum and 0.279 inches maximum
cross recess type 1
0.138 inches
32
55000 pounds per square inch
99.0 degrees minimum and 101.0 degrees maximum
copper alloy 268 or copper alloy 260 or copper alloy 230 or copper alloy 377 or copper alloy 360 or copper alloy 353 or copper alloy 270 or copper alloy 274 or copper alloy 462 or copper alloy 464 or copper alloy 482 or copper alloy 485 or copper alloy 757 or copper alloy 764 or copper alloy 770 or copper alloy 240 or copper alloy 342
qq-b-626 fed spec all material responses or qq-w-321 fed spec all material responses
unc
3 type and 3c style
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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