343-0271-000 Machine Screw
5305-00-059-8507
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Official Item Classification
- Name
- Machine Screw
- Part Number
- 343-0271-000
- (NSN) National Stock Number
- 5305-00-059-8507
- (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
- 01/01/1963 (63 years ago)
pan head style, right-hand thread direction, 2a thread class, 1.250 inches maximum thread length, 1.250 inches nominal fastener length
Specs & Compatibility
2a
right-hand
1.250 inches maximum
1.250 inches nominal
pan
0.473 inches minimum and 0.492 inches maximum
0.162 inches minimum and 0.175 inches maximum
cross recess type 1
0.250 inches
20
steel
passivate
unc
3 type and 9c style
Regulatory Compliance
Precious metal content is unknown
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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