The O-Ring, cataloged under National Stock Number 5331-01-616-8625, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Integrated System Technologies Ltd. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-616-8625 |
| Primary Part Number | SAP NO 25997493 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bae Systems Integrated System Technologies Ltd |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Center Hole Diameter | 1.174 INCHES NOMINAL IN |
| Material | PLASTIC |
| 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 |
|---|---|
| SAP NO 25997493 | Bae Systems Integrated System Technologies Ltd (GBR) |
| HT2804 REF S2H 5005 | Bae Systems Electronics Limited Div Underwater Systems Division (GBR) |
| Reference | Meaning |
|---|---|
| NAS1613 | 3/1 Design control — primary reference U.S. Government activity |
| NAS1611-123A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-616-8625 is a O-Ring, manufactured by Bae Systems Integrated System Technologies Ltd, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-616-8625 has 2 manufacturer part numbers on file: SAP NO 25997493 (Bae Systems Integrated System Technologies Ltd), HT2804 REF S2H 5005 (Bae Systems Electronics Limited Div Underwater Systems Division).
Key specifications for SAP NO 25997493: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Special Features: MATERIAL:ETHYLEN PRPYLENE COPOLYMER OR TERPOLYMER PER NAS1613; Center Hole Diameter: 1.174 INCHES NOMINAL IN; Material: PLASTIC. 3 specifications are documented in the U.S. Government catalog.
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.