Mfg Part Number: 420478
NSN : 5305-00-042-0478
NIIN : 000420478
CAGE Code : 7X677
Manufacturer: General Motors Corp
Item Name : Screw Assembled Was
FSC : FSC 5305 Screws
Here at Internet For Aviation, we have 420478 Screw Assembled Was from General Motors Corp, as well as a variety of other parts from reliable manufacturers. As the only independent distributor with a No China Sourcing policy, we go to great lengths to ensure that we source responsibly when it comes to certified standard items. If you’re in need of a specific 420478 to aid you in your aircraft repair capabilities, simply search by NSN part number, NSN or Cage Code on our parts directory. Submit an instant RFQ and a representative will get back to you in as little as 15 minutes.
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| NSN | FSC | NIIN | CLS | Hazmat | DEMIL | Cancelled NSN |
|---|---|---|---|---|---|---|
| 5305-00-042-0478 Item Description: Screw Assembled Was | 5305 | 000420478 | 0 | N | ||
| CIIC | HCC | ESD | PMIC | Criticality | ENAC | |
| U | U | |||||
| Part Number | ISC | RNVC | RNCC | HCC | MSDS | SADC |
| 420478 | 3 | 1 | C | 9 |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | 0.500 INCHES MAXIMUM |
| AASB | FASTENER LENGTH | 0.500 INCHES NOMINAL |
| AASL | HEAD DIAMETER | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| AHYM | NOMINAL THREAD DIAMETER | 0.190 INCHES |
| CQFM | HARDNESS RATING | 40.0 ROCKWELL C MINIMUM PRIMARY WASHER AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| CTHW | PRIMARY WASHER STYLE | FLAT INTERNAL TEETH |
| SFTT | SURFACE TREATMENT | CADMIUM OVERALL OR ZINC OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | ROUND |
| AASU | HEAD HEIGHT | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM |
| AAVW | WASHER QUANTITY | 1 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CSPG | PRIMARY WASHER OUTSIDE DIAMETER | 0.372 INCHES MINIMUM AND 0.383 INCHES MAXIMUM |
| CTJJ | PRIMARY WASHER MATERIAL THICKNESS | 0.022 INCHES NOMINAL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| THSD | THREAD SERIES DESIGNATOR | UNC |
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