The Ring,lock,special, cataloged under National Stock Number 5342-00-905-4897, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,lock,special |
| FSC / FSG | 5342 — Hardware, Weapon System (FSG 53) |
| Manufacturers | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (CAGE 48ZY0) |
| Parameter | Value |
|---|---|
| NSN | 5342-00-905-4897 |
| Primary Part Number | 11-0817 |
| Item Name | Ring,lock,special |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 11-0817 PRIMARY | Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA) |
| Reference | Meaning |
|---|---|
| 11-0817 | 5/9 Secondary reference U.S. Government activity |
| 11-0817 | 5/9 Secondary reference Kilgore Flares Company Llc |
NSN 5342-00-905-4897 is a Ring,lock,special, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-905-4897 has 1 manufacturer part number on file: 11-0817 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc).
1 possible match (shared part number, not a government interchangeability claim): 2520-01-211-1001. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.