# NSN 5310-00-774-9428: Washer, Recessed

NSN 5310-00-774-9428 (also written 5310007749428; NIIN 00-774-9428) is a washer, recessed in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-774-9428 (5310007749428)
- NIIN: 00-774-9428 (007749428)
- Item name: WASHER,RECESSED
- Federal Supply Class: [FSC 5310 Nuts and Washers](https://nsnexplorer.com/fsc/5310/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6485 OR ASSN STD SINGLE MATERIAL RESPONSE A-S 6487 |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.631 AND INCHES MAXIMUM 0.651 |
| MATT | MATERIAL | OVERALL STEEL COMP H11 |
| CSML | BOTTOM RECESS DIAMETER | INCHES MINIMUM 0.731 AND INCHES MAXIMUM 0.741 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM AND CHROMATE |
| AGAV | END ITEM IDENTIFICATION | UH-1N |
| CSYM | SURFACE FINISH | ALL SURFACES MICROINCHES 63.0 |
| CQJW | TOP RECESS DIAMETER | INCHES MINIMUM 0.731 AND INCHES MAXIMUM 0.741 |
| ABKV | OUTSIDE DIAMETER | INCHES MINIMUM 1.209 AND INCHES MAXIMUM 1.229 |
| CRKG | BOTTOM RECESS ANGLE | DEGREES MINIMUM 89.0 AND DEGREES MAXIMUM 91.0 |
| CRSD | TOP RECESS ANGLE | DEGREES MINIMUM 89.0 AND DEGREES MAXIMUM 91.0 |
| ABPX | MATERIAL THICKNESS | INCHES MINIMUM 0.151 AND INCHES MAXIMUM 0.161 |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC SINGLE TREATMENT RESPONSE -IL-C-8837,TY 2,CL 2 |
| STYL | STYLE DESIGNATOR | — |
| CQBC | MINIMUM TENSILE STRENGTH | POUNDS PER SQUARE INCH 240000 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 140-007-41-39D5 | 04614 | TEXTRON SYSTEMS CORPORATION DBA TEXTRON SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 140-007-41-39D5 | 80070 | LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN ROTARY AND MISSION SYSTEMS DIV RMS- MIC2 | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 140-007-41-39D5 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A6-27-T-0750 | 29 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007749428&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007749428&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007749428
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/5310-00-774-9428/
JSON: https://nsnexplorer.com/api/nsn/5310-00-774-9428.json