5305-00-718-9448
Machine Screw
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Official Item Classification
- Name
- Machine Screw
- (NSN) National Stock Number
- 5305-00-718-9448
- (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
- 01/01/1960 (66 years ago)
2a thread class, right-hand thread direction, 0.250 inches nominal fastener length, flat countersunk head style, 0.250 inches nominal thread length
Specs & Compatibility
2a
right-hand
0.250 inches nominal
0.250 inches nominal
flat countersunk
0.150 inches minimum and 0.172 inches maximum
cross recess type 1
0.086 inches
56
82.0 degrees nominal
steel comp 410 or steel comp 416
qq-s-763,cl 3,ty c fed spec 1st material response or qq-s-763,cl 6,ty c fed spec 2nd material response
passivate
leet ballistic missilequality,quality control,poso 911892
unc
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.
S9I
0006657
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