The O-Ring, cataloged under National Stock Number 5331-01-120-6842, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Cat Pumps (uk) Ltd. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | Cat Pumps (uk) Ltd (CAGE U3374) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-120-6842 |
| Primary Part Number | 277 ITEM 14 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Cat Pumps (uk) Ltd |
| 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 |
|---|---|
| 277 ITEM 14 | Cat Pumps (uk) Ltd (GBR) |
| 26536 | Cat Pumps (uk) Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 26536 | 3/9 Design control — primary reference Cat Pumps Corp |
| 26536 | C/1 Advisory reference — outside the item-of-supply concept Bourns Inc |
NSN 5331-01-120-6842 is a O-Ring, manufactured by Cat Pumps (uk) Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-120-6842 has 2 manufacturer part numbers on file: 277 ITEM 14 (Cat Pumps (uk) Ltd), 26536 (Cat Pumps (uk) Ltd).
3 possible matches (shared part number, not a government interchangeability claim): 4730-01-274-1660, 5331-01-499-8500, 6130-01-597-7038. 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.