The O-Ring, cataloged under National Stock Number 5331-00-767-5477, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-767-5477 |
| Primary Part Number | 2182065-3 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Cross-Sectional Height | 1.441 INCHES MINIMUM AND 1.451 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| 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 |
|---|---|
| 2182065-3 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| M1769 | 5/9 Secondary reference Microtech Inc Dba Microtech Inc |
| 2182065-3 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5331-00-767-5477 is a O-Ring, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-767-5477 has 1 manufacturer part number on file: 2182065-3 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for 2182065-3: Cross-Sectional Height: 1.441 INCHES MINIMUM AND 1.451 INCHES MAXIMUM IN; Center Hole Diameter: 0.089 INCHES MINIMUM AND 0.095 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 3 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.