# NSN 5999-01-255-1857: Shielding Gasket, Electronic

NSN 5999-01-255-1857 (also written 5999012551857; NIIN 01-255-1857) is a shielding gasket, electronic in Federal Supply Class 5999, Miscellaneous Electrical and Electronic Components. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 5999-01-255-1857 (5999012551857)
- NIIN: 01-255-1857 (012551857)
- Item name: SHIELDING GASKET,ELECTRONIC
- Federal Supply Class: [FSC 5999 Miscellaneous Electrical and Electronic Components](https://nsnexplorer.com/fsc/5999/)
- Federal Supply Group: [FSG 59](https://nsnexplorer.com/group/59/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CTNJ | ENVIRONMENTAL PROTECTION MATERIAL LOCATION | ON BOTH SIDES OF BEARING SURFACE |
| MATT | MATERIAL | ENVIRONMENTAL SEAL RUBBER SILICONE CLASS Q |
| MATT | MATERIAL | RETAINER COPPER ALLOY 172 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ENVIRONMENTAL SEAL ASSN STD SINGLE MATERIAL RESPONSE A-S-3303 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | RETAINER ASSN STD SINGLE MATERIAL RESPONSE AST- B194 |
| SFTT | SURFACE TREATMENT | RETAINER TIN |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | RETAINER MIL SPEC SINGLE TREATMENT RESPONSE -IL-T-10727 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5537911-1 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DA9723 | 27565 | NOLATO JABAR LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DA9723 | 95272 | STILLMAN SEAL CORPORATION DIV STILLMAN SEAL CORPERATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-15 | $975.00 | 29 | ECHELON SUPPLY AND SERVICE, INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999012551857) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-15 | [SPE7M526V7306](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999012551857) | SHIELDING GASKET, EL | ECHELON SUPPLY AND SERVICE, INC. | $28,275.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=5999012551857&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5999012551857
- 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/5999-01-255-1857/
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