The O-Ring, cataloged under National Stock Number 5331-00-400-7397, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Marine Limited. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Bae Systems Marine Limited (CAGE K6451); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Parker Hannifin Corporation Div O-Ring Division (CAGE 25184); Naval Sea Systems Command (CAGE 53711); Parco, Llc (CAGE 77308) |
| Parameter | Value |
|---|---|
| NSN | 5331-00-400-7397 |
| Primary Part Number | 70071603 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bae Systems Marine Limited |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70071603 | Bae Systems Marine Limited (GBR) |
| N0674 2-027 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 027-8307 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 5793294 FIND 085 | Naval Sea Systems Command (USA) |
| PRP568-027-4200-7 | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| 121-00027-43 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| 2-027N674-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 20ES027-43 | 5/9 Secondary reference Dana Corp Weatherhead Div |
| T22827 | C/1 Advisory reference — outside the item-of-supply concept Deere & Company Dba Deere John Co |
| 2-027 N674-70 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 20ES-027-43 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-027 | 5/1 Secondary reference Parker Hannifin Limited |
| 391 2881 223 | C/1 Advisory reference — outside the item-of-supply concept Parker Hannifin Corporation Div Cylinder Division |
| AS568B-027 | 5/9 Secondary reference U.S. Government activity |
| AS568B-027 | 3/1 Design control — primary reference Sae International Dba Sae International |
| DS2000-M3CH714A25B14E016E036 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5331-00-400-7397 is a O-Ring, manufactured by Bae Systems Marine Limited, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-400-7397 has 5 manufacturer part numbers on file: 70071603 (Bae Systems Marine Limited), N0674 2-027 (Parker-Hannifin Corp Div O-Ring Division), 027-8307 (Parker Hannifin Corporation Div O-Ring Division), 5793294 FIND 085 (Naval Sea Systems Command), PRP568-027-4200-7 (Parco, 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.