The O-Ring, cataloged under National Stock Number 5331-01-278-9482, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Barber-Colman Co Environmental Controls Div. 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 | Barber-Colman Co Environmental Controls Div (CAGE 65149) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-278-9482 |
| Primary Part Number | YBA-635 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Barber-Colman Co Environmental Controls Div |
| 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 |
|---|---|
| YBA-635 PRIMARY | Barber-Colman Co Environmental Controls Div (USA) |
NSN 5331-01-278-9482 is a O-Ring, manufactured by Barber-Colman Co Environmental Controls Div, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-278-9482 has 1 manufacturer part number on file: YBA-635 (Barber-Colman Co Environmental Controls Div).
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.