The O-Ring, cataloged under National Stock Number 5331-00-730-6637, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-730-6637 |
| Primary Part Number | N-1000-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -30.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.853 INCHES MINIMUM AND 0.865 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 |
|---|---|
| HX 1692 | Acushnet Rubber Company, Inc. Dba Precix (USA) |
| 7710908 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 4456-70 | Parco, Llc (USA) |
| 1497 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| N-1000-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| B46 | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 2100 | 3/2 Design control — primary reference U.S. Government activity |
| 5330007306637 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
NSN 5331-00-730-6637 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-730-6637 has 6 manufacturer part numbers on file: HX 1692 (Acushnet Rubber Company, Inc. Dba Precix), 7710908 (U S Army Tank Automotive Command Amsta-Im-Mm), 4456-70 (Parco, Llc), 1497 (Parker Hannifin Corporation Div O-Ring Division), N-1000-70 (Parker-Hannifin Corp Div O-Ring Division) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 5331-00-752-1413, 5325-00-804-2784. Verify interchangeability with system specifications before substitution.
Key specifications for N-1000-70: Temp Rating: -30.0 FAHRENHEIT AND 257.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.853 INCHES MINIMUM AND 0.865 INCHES MAXIMUM IN. 5 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.