The O-Ring, cataloged under National Stock Number 5331-01-628-5983, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Greene Tweed & Co Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-628-5983 |
| Primary Part Number | 2270U17-389-963 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Greene Tweed & Co Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 1.766 INCHES NOMINAL IN |
| Center Hole Diameter | 1.498 INCHES NOMINAL IN |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM |
| 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 |
|---|---|
| 2270U17-389-963 PRIMARY | Greene Tweed & Co Inc (USA) |
NSN 5331-01-628-5983 is a O-Ring, manufactured by Greene Tweed & Co Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-628-5983 has 1 manufacturer part number on file: 2270U17-389-963 (Greene Tweed & Co Inc).
Key specifications for 2270U17-389-963: Cross-Sectional Height: 1.766 INCHES NOMINAL IN; Special Features: UNNOTCHED, ORING ENERGIZER-EPDM ETHYLENE PROPYLENE; Center Hole Diameter: 1.498 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: SCRAPER, DOUBLE-ACTING PTFE. 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.