# NSN 5310-00-702-1797: Washer, Flat

NSN 5310-00-702-1797 (also written 5310007021797; NIIN 00-702-1797) is a washer, flat in Federal Supply Class 5310, Nuts and Washers. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 5310-00-702-1797 (5310007021797)
- NIIN: 00-702-1797 (007021797)
- 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 L: annual buy value is below the screening threshold. (observed 2026-11-02)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ZZZK | SPECIFICATION/STANDARD DATA | MANUFACTURERS STANDARD 81205-BACW10AK |
| AAUB | HOLE DIAMETER | INCHES MINIMUM 0.370 AND INCHES MAXIMUM 0.380 |
| ADAV | OVERALL DIAMETER | INCHES MINIMUM 0.677 AND INCHES MAXIMUM 0.697 |
| CQFM | HARDNESS RATING | ROCKWELL C MINIMUM 39.0 AND ROCKWELL C MAXIMUM 43.0 |
| MATT | MATERIAL | OVERALL STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8740 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL MIL SPEC 1ST MATERIAL RESPONSE -IL-S-6758 OR MIL SPEC 1ST MATERIAL RESPONSE -IL-S-18729 OR MIL SPEC 2ND MATERIAL RESPONSE -IL-S-5626 OR ASSN STD 3RD MATERIAL RESPONSE A-S 6358 |
| ABNM | THICKNESS | INCHES NOMINAL 0.069 |
| ABMW | PERIPHERAL SHAPE STYLE | — |
| ABMX | CENTER HOLE SHAPE STYLE | — |
| SFTT | SURFACE TREATMENT | OVERALL CADMIUM |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE TREATMENT RESPONSE QQ--416,TY 1,CL 3 |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 805790 | D9182 | ZF INDUSTRIEANTRIEBE WITTEN GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACW10AKWP6 | 08073 | MAMCO MFG CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACW10AKWP6 | 08903 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BACW10AKWP6 | 81205 | THE BOEING COMPANY DIV DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WP6 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WPL22-6 | 56878 | SPS TECHNOLOGIES, LLC DBA PB FASTENERS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-20 | [SPE4A125G0009/SPE4A526F8646](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007021797) | WASHER, FLAT | THE BOEING COMPANY DIV SERVICES | $3,485.49 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5310007021797&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5310007021797
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/5310-00-702-1797/
JSON: https://nsnexplorer.com/api/nsn/5310-00-702-1797.json