The O-Ring, cataloged under National Stock Number 5331-01-239-8645, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. 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 | Breeze-Eastern Llc (CAGE 08484) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-239-8645 |
| Primary Part Number | Y-1139-23-5 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Breeze-Eastern Llc |
| 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 |
|---|---|
| Y-1139-23-5 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5331-01-239-8645 is a O-Ring, manufactured by Breeze-Eastern Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-239-8645 has 1 manufacturer part number on file: Y-1139-23-5 (Breeze-Eastern Llc).
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.