B1990-9 Shoulder Screw
5305-00-151-8664
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Official Item Classification
- Name
- Shoulder Screw
- Teilenummer
- B1990-9
- (NSN) Nationale Lagernummer
- 5305-00-151-8664
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Bundesversorgungsklassifizierung
- 5305 Schrauben
- (INC) Artikelbezeichnung Code
- 22846
- (FIIG) Leitfaden zur Identifizierung von Bundesartikeln
- A003B0
- Datum
- 11/13/1970 (vor 55 Jahren)
1.016 inches minimum and 1.046 inches maximum fastener length, 0.285 inches minimum and 0.351 inches maximum thread length, flat countersunk head style, 3a thread class, right-hand thread direction
Specs & Compatibility
3a
right-hand
0.285 inches minimum and 0.351 inches maximum
1.016 inches minimum and 1.046 inches maximum
flat countersunk
0.276 inches nominal
0.655 inches minimum and 0.685 inches maximum first shoulder
0.193 inches minimum and 0.195 inches maximum first shoulder
slot
0.190 inches
32
33.0 rockwell c minimum and 37.0 rockwell c maximum overall
100.0 degrees nominal
round first shoulder
steel comp 4037 or steel comp 8740 overall
cadmium and chromate overall
qq-p-416,ty 2,cl 3 fed spec single treatment response overall
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.
0022846
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