AS9120B, ISO 9001:2015, and FAA AC 0056B Accredited
| Item Name | Washer Recessed |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5310 Nuts and Washers |
| National Item Identification Number (NIIN) | 00-595-7078 (005957078) |
| NCB Code | USA (00) |
| Manufacturer | Sargent Aerospace, National Aerospace Standards Com, Finmeccanica Spa Helicopters, Inspektorat Wsparcia Sil Zbrojnych, Eca Etablissement Central Des, Pilatus Aircraft Ltd, Defense Reduction Agency, Leonardo Mw Ltd, Military Standards Corp |
| Part Number | Manufacturer | Item Name | RFQ |
|---|---|---|---|
| 21073 FIND 29 | sargent aerospace | washer recessed | RFQ |
| MS20002C5 | national aerospace standards com | washer recessed | RFQ |
| 21140-33 | sargent aerospace | washer recessed | RFQ |
| 21170-49 | sargent aerospace | washer recessed | RFQ |
| 21317 FIND 42 | sargent aerospace | washer recessed | RFQ |
| 21331 FIND 29 | sargent aerospace | washer recessed | RFQ |
| 21340 FIND 34 | sargent aerospace | washer recessed | RFQ |
| 21817 FIND 32 | sargent aerospace | washer recessed | RFQ |
| 52122 FIND 53 | sargent aerospace | washer recessed | RFQ |
| MS20002C5 | finmeccanica spa helicopters | washer recessed | RFQ |
| 21342 FIND 46 | sargent aerospace | washer recessed | RFQ |
| 21816-001 FIND 38 | sargent aerospace | washer recessed | RFQ |
| 21837 FIND 43 | sargent aerospace | washer recessed | RFQ |
| NAS143-5C | national aerospace standards com | washer recessed | RFQ |
| 5310PL0724754 | inspektorat wsparcia sil zbrojnych | washer recessed | RFQ |
| NASM20002-C5 | national aerospace standards com | washer recessed | RFQ |
| 21820 FIND 39 | sargent aerospace | washer recessed | RFQ |
| 21835 FIND 49 | sargent aerospace | washer recessed | RFQ |
| 5310005957078 | eca etablissement central des | washer recessed | RFQ |
| 938.75.11.102 | pilatus aircraft ltd | washer recessed | RFQ |
| 809085-00 | defense reduction agency | washer recessed | RFQ |
| MS20002C5 | leonardo mw ltd | washer recessed | RFQ |
| MS20002C5 | military standards corp | washer recessed | RFQ |
| 52103 FIND 53 | sargent aerospace | washer recessed | RFQ |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAUB | HOLE DIAMETER | 0.315 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| ABKV | OUTSIDE DIAMETER | 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM |
| ABMD | RECESS DIAMETER | 0.396 INCHES MINIMUM AND 0.406 INCHES MAXIMUM |
| ABPX | MATERIAL THICKNESS | 0.068 INCHES MINIMUM AND 0.088 INCHES MAXIMUM |
| CSTM | RECESS ANGLE | 89.0 DEGREES MINIMUM AND 91.0 DEGREES MAXIMUM |
| MATT | MATERIAL | STEEL COMP 1330 OR STEEL COMP 4130 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| SFTT | SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| STYL | STYLE DESIGNATOR | RECESSED |
| ZZZK | SPECIFICATION/STANDARD DATA | 80205-NAS143 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Relevant Components for NSN - 5310-00-595-7078, 5310005957078 | ||||
| 5305-00-151-0390 (5305001510390) | 5305-00-162-0212 (5305001620212) | 5330-01-021-6193 (5330010216193) | 5306-01-667-2305 (5306016672305) | |
| 5305-00-702-7578 (5305007027578) | 5306-01-467-0619 (5306014670619) | 5340-14-507-0973 (5340145070973) | 5330-01-545-5049 (5330015455049) | |
| 5331-01-433-9967 (5331014339967) | 5330-01-176-0563 (5330011760563) | 5330-20-001-0516 (5330200010516) | 5305-00-550-9932 (5305005509932) | |
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