The Spacer,ring, cataloged under National Stock Number 5365-01-129-8682, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is Waterous Company. Government technical data includes 4 specifications, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5365-01-129-8682 |
| Primary Part Number | 51149 |
| Item Name | Spacer,ring |
| FSC / FSG | 5365 / 53 — Bushings, Rings, Shims, and Spacers |
| Manufacturer | Waterous Company |
| Status | ACTIVE |
| Outside Diameter | 2.500 INCHES NOMINAL IN |
| Overall Thickness | 0.480 INCHES NOMINAL IN |
| Inside Diameter | 2.169 INCHES NOMINAL IN |
| Material | STEEL |
| 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 |
|---|---|
| 51149 PRIMARY | Waterous Company (USA) |
NSN 5365-01-129-8682 is a Spacer,ring, manufactured by Waterous Company, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
NSN 5365-01-129-8682 has 1 manufacturer part number on file: 51149 (Waterous Company).
1 possible match (shared part number, not a government interchangeability claim): 9540-01-300-2878. Verify interchangeability with system specifications before substitution.
Key specifications for 51149: Outside Diameter: 2.500 INCHES NOMINAL IN; Overall Thickness: 0.480 INCHES NOMINAL IN; Inside Diameter: 2.169 INCHES NOMINAL IN; Material: STEEL. 4 specifications are 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.