The O-Ring, cataloged under National Stock Number 5331-00-064-6598, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rolls-Royce Corporation. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5331-00-064-6598 |
| Primary Part Number | 6772423 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rolls-Royce Corporation |
| Status | ACTIVE |
| Cross-Sectional Height | 0.140 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 6772423 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| 6772423 PRIMARY | Rolls-Royce Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6772423 | 5/9 Secondary reference Allison Transmission Inc Dba Allison Transmission, Inc |
| 5330000646598 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5331-00-064-6598 is a O-Ring, manufactured by Rolls-Royce Corporation, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-064-6598 has 2 manufacturer part numbers on file: 6772423 (Fnss Savunma Sistemleri Anonim Sirketi), 6772423 (Rolls-Royce Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-843-9369. Verify interchangeability with system specifications before substitution.
Key specifications for 6772423: Cross-Sectional Height: 0.140 INCHES MINIMUM AND 0.148 INCHES MAXIMUM IN; Center Hole Diameter: 2.969 INCHES MINIMUM AND 2.999 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.