The O-Ring, cataloged under National Stock Number 5331-00-570-0377, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corporation Dba Jackson Plant. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-570-0377 |
| Primary Part Number | 5145-233 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Eaton Corporation Dba Jackson Plant |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU |
| 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 |
|---|---|
| 5145-233 PRIMARY | Eaton Corporation Dba Jackson Plant (USA) |
| Reference | Meaning |
|---|---|
| 5045-11 | 5/9 Secondary reference Eaton Corporation Dba Jackson Plant |
NSN 5331-00-570-0377 is a O-Ring, manufactured by Eaton Corporation Dba Jackson Plant, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-570-0377 has 1 manufacturer part number on file: 5145-233 (Eaton Corporation Dba Jackson Plant).
1 possible match (shared part number, not a government interchangeability claim): 2815-00-577-8000. Verify interchangeability with system specifications before substitution.
Key specifications for 5145-233: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 2.844 INCHES MINIMUM AND 2.874 INCHES MAXIMUM IN; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OR RUBBER POLYESTER URETHANE CLASS AU OR RUBBER POLYETHER URETHANE CLASS EU. 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.