HT4V-9 Machine Screw
5305-00-991-7021
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Official Item Classification
- Name
- Machine Screw
- Part Number
- HT4V-9
- (NSN) National Stock Number
- 5305-00-991-7021
- (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
- 03/28/1967 (59 years ago)
flat countersunk head style, 3a thread class, right-hand thread direction, 0.316 inches minimum thread length, 0.878 inches nominal fastener length
Specs & Compatibility
3a
right-hand
0.316 inches minimum
0.878 inches nominal
flat countersunk
0.389 inches minimum and 0.394 inches maximum
high-torque
0.250 inches
28
100.0 degrees nominal
steel comp 416
qq-s-763 fed spec single material response
cadmium
unf
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