The O-Ring, cataloged under National Stock Number 5331-01-378-3727, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Moog Wolverhampton Limited Div Wolverhampton. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Moog Wolverhampton Limited Div Wolverhampton (CAGE K0648) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-378-3727 |
| Primary Part Number | M009A0081-00 ITEM 32 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Moog Wolverhampton Limited Div Wolverhampton |
| 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 |
|---|---|
| M009A0081-00 ITEM 32 | Moog Wolverhampton Limited Div Wolverhampton (GBR) |
| Reference | Meaning |
|---|---|
| 200-908-4470 | 3/9 Design control — primary reference Dowty Industrial Corp Seals Div |
NSN 5331-01-378-3727 is a O-Ring, manufactured by Moog Wolverhampton Limited Div Wolverhampton, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-378-3727 has 1 manufacturer part number on file: M009A0081-00 ITEM 32 (Moog Wolverhampton Limited Div Wolverhampton).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-542-0736. Verify interchangeability with system specifications before substitution.
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.