5305-01-249-3072
Close Tolerance Screw
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Official Item Classification
- Name
- Close Tolerance Screw
- (NSN) National Stock Number
- 5305-01-249-3072
- (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
- 02/10/1987 (39 years ago)
3a thread class, 0.444 inches minimum and 0.494 inches maximum thread length, 1.079 inches minimum and 1.109 inches maximum fastener length, flat countersunk head style, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.444 inches minimum and 0.494 inches maximum
1.079 inches minimum and 1.109 inches maximum
flat countersunk
0.497 inches minimum and 0.507 inches maximum
0.2490 inches minimum and 0.2495 inches maximum
high-torque
0.250 inches
0.615 inches minimum and 0.635 inches maximum
28
99.0 degrees minimum and 101.0 degrees maximum
navy special project
tapped hole in head 0.1380-32,unjc-3b threads; distance from head top to injection port 0.290 in. ; injection port 0.120 in. lg,0.060 in. w
titanium alloy uns r56400 overall
ams4928 assn std single material response or ams4967 assn std single material response overall
unf
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
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