5305-00-256-7475
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-256-7475
- (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
- 03/26/1971 (55 years ago)
right-hand thread direction, 0.477 inches minimum and 0.558 inches maximum thread length, flat countersunk head style, 2a thread class, 0.594 inches minimum and 0.625 inches maximum fastener length
Specs & Compatibility
2a
right-hand
0.477 inches minimum and 0.558 inches maximum
0.594 inches minimum and 0.625 inches maximum
flat countersunk
0.195 inches minimum and 0.225 inches maximum
cross recess type 1
aircraft, t-39; austin ship class lpd-4 amphibious transport docks; ticonderoga class cg (47); helicopter, search and rescue, hh-60h; helicopter, mh-53e; helicopter, uscg search and rescue, hh-60j; aircraft, (ac-130h, mc-130h, ec-130e, hc-130); helicopter, advance attack, ah-1w; missile, air--to-air, sparrow (aim-7); helicopter, carrier based asw, sh-60f
0.112 inches
40
80000 pounds per square inch
80.0 degrees minimum and 82.0 degrees maximum
steel corrosion resisting or steel
qq-s-763,300 series fed spec 1st material response or 66,300 series fed std 1st material response or comp 16-18 or 18-8 assn std 2nd material response
unc
3 type and 2c 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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