# NSN 5310-00-141-1873: Washer, Flat

NSN 5310-00-141-1873 (also written 5310001411873; NIIN 00-141-1873) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 6 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 5310-00-141-1873 (5310001411873)
- NIIN: 00-141-1873 (001411873)
- Item name: WASHER,FLAT
- 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 2026-11-03)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| MATT | MATERIAL | OVERALL STEEL COMP 8630 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 6355 |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.315 AND INCHES MAXIMUM 0.322 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |
| ABNM | THICKNESS | INCHES MINIMUM 0.057 AND INCHES MAXIMUM 0.063 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 0.490 AND INCHES MAXIMUM 0.510 |
| CQFM | HARDNESS RATING | ROCKWELL B MINIMUM 90.0 AND ROCKWELL B MAXIMUM 100.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 118065 | 27068 | DCP SPRING ACQUISITION COMPANY, INC. DBA NEW ENGLAND SPRING DIV NEW ENGLAND SPRING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118065 | 31633 | ALINABAL LLC DIV ENGINEERED PRODUCTS GROUP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118065 | 33615 | ENJET AERO MANCHESTER LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118065 | 52661 | RTX CORPORATION DIV PRATT & WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118065 | 77445 | RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 118065 | 81924 | ATOMIC ENERGY COMMISSION OAK RIDGE OPNS OFFICE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4AX-27-T-0004 | 136 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001411873&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310001411873&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310001411873
- 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/5310-00-141-1873/
JSON: https://nsnexplorer.com/api/nsn/5310-00-141-1873.json