NAS1221R3-4 Machine Screw
5305-00-902-7280
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Official Item Classification
- Name
- Machine Screw
- Teilenummer
- NAS1221R3-4
- (NSN) Nationale Lagernummer
- 5305-00-902-7280
- (FSG) Federal Supply Group
- 53 Hardware and Abrasives
- (FSC) Bundesversorgungsklassifizierung
- 5305 Schrauben
- (INC) Artikelbezeichnung Code
- 06657
- (FIIG) Leitfaden zur Identifizierung von Bundesartikeln
- A500D0
- Datum
- 01/01/1960 (vor 66 Jahren)
3a thread class, right-hand thread direction, 0.573 inches minimum and 0.620 inches maximum fastener length, 0.251 inches minimum and 0.380 inches maximum thread length, flat countersunk head style
Specs & Compatibility
3a
right-hand
0.251 inches minimum and 0.380 inches maximum
0.573 inches minimum and 0.620 inches maximum
flat countersunk
0.344 inches minimum and 0.385 inches maximum
high-torque
0.190 inches
32
160000 pounds per square inch
36.0 rockwell c minimum and 40.0 rockwell c maximum
99.0 degrees minimum and 101.0 degrees maximum
steel comp 4140 or steel comp e4340 or steel comp 8740
mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response
cadmium and chromate
qq-p-416 ty 2 cl 2 fed spec single treatment response
unjf
Replacement For
| Teilenummer | Beschreibung | |
|---|---|---|
| 5305-00-728-1412 | No Name Available | 09/01/1983 |
| 5305-00-891-1720 | No Name Available | 04/01/2002 |
| 5305-00-980-5257 | No Name Available | 02/01/1984 |
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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