The O-Ring, cataloged under National Stock Number 5331-01-389-6099, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-01-389-6099 |
| Primary Part Number | 918601 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Temp Rating | -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Hardness Rating | 80.0 SHORE DUROMETER A NOMINAL |
| Material Document and Classification | NAS1601 ASSN STD SINGLE MATERIAL RESPONSE |
| Center Hole Diameter | 10.919 INCHES MINIMUM AND 11.049 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 918601 | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| NAS1601-276 | 5/9 Secondary reference U.S. Government activity |
| NAS1611-276A | 3/2 Design control — primary reference U.S. Government activity |
| NAS1613 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5331-01-389-6099 is a O-Ring, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-389-6099 has 1 manufacturer part number on file: 918601 (L3 Technologies, Inc. Div L3 Keo).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-464-0243. Verify interchangeability with system specifications before substitution.
Key specifications for 918601: Temp Rating: -70.0 FAHRENHEIT AND 400.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Hardness Rating: 80.0 SHORE DUROMETER A NOMINAL; Material Document and Classification: NAS1601 ASSN STD SINGLE MATERIAL RESPONSE. 6 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.