The Plug,special, cataloged under National Stock Number 5342-00-251-0055, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is R and B Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-00-251-0055 |
| Primary Part Number | 570-009 |
| Item Name | Plug,special |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | R and B Inc |
| Status | ACTIVE |
| General Characteristics Item Description | RUBBER PLUG 1.505 IN. DIA BY 0.785 IN. THK,WASHER AND BOLT ASSEMBLY ENCASED IN PLUG,1.687 IN. DIA BY 0.059 IN. THK WASHER AND HEX NUT ON ONE BEARING SURFACE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 570-009 PRIMARY | R and B Inc (USA) |
| Reference | Meaning |
|---|---|
| 2995960 | 5/9 Secondary reference Hunckler Products Inc |
NSN 5342-00-251-0055 is a Plug,special, manufactured by R and B Inc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-251-0055 has 1 manufacturer part number on file: 570-009 (R and B Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5895-01-093-9896, 6220-01-513-7241, 8120-01-603-8552. Verify interchangeability with system specifications before substitution.
Key specifications for 570-009: General Characteristics Item Description: RUBBER PLUG 1.505 IN. DIA BY 0.785 IN. THK,WASHER AND BOLT ASSEMBLY ENCASED IN PLUG,1.687 IN. DIA BY 0.059 IN. THK WASHER AND HEX NUT ON ONE BEARING SURFACE IN. 1 specification is documented in the U.S. Government catalog.
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.