The O-Ring, cataloged under National Stock Number 5331-00-599-6485, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-599-6485 |
| Primary Part Number | C742595PT87 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.469 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| C742595PT87 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| C742595PT87 | 3/9 Design control — primary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5331-00-599-6485 is a O-Ring, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-599-6485 has 1 manufacturer part number on file: C742595PT87 (L3 Technologies, Inc. Div Communication Systems-East).
Key specifications for C742595PT87: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 4.469 INCHES MINIMUM AND 4.499 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 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.