The O-Ring, cataloged under National Stock Number 5331-01-389-6963, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Gulf Calibration Services Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Gulf Calibration Services Inc (CAGE 3G310) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-389-6963 |
| Primary Part Number | 500-02280 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Gulf Calibration Services Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 500-02280 PRIMARY | Gulf Calibration Services Inc (USA) |
NSN 5331-01-389-6963 is a O-Ring, manufactured by Gulf Calibration Services Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-389-6963 has 1 manufacturer part number on file: 500-02280 (Gulf Calibration Services Inc).
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.