The O-Ring, cataloged under National Stock Number 5331-00-046-4603, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Dover Resources, Inc. Div Norriseal. 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5331-00-046-4603 |
| Primary Part Number | 911R358 PIECE 15 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Dover Resources, Inc. Div Norriseal |
| Status | ACTIVE |
| Cross-Sectional Height | 0.250 INCHES NOMINAL IN |
| Outside Diameter | 19.005 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 911R358 PIECE 15 | Dover Resources, Inc. Div Norriseal (USA) |
| 561A466 | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| 76643-70X5PC9 | 3/2 Design control — primary reference U.S. Government activity |
| 807066-02 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 911R358 PIECE 15 | 5/9 Secondary reference U.S. Government activity |
| 561A466 | 5/9 Secondary reference U.S. Government activity |
| MS28775-466 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 2-466-N304-75 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 71553-78X5PC10 | 5/2 Secondary reference U.S. Government activity |
| ARP568-466MILP5 516CLB | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| SSBN640-501-2118970PC9 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-00-046-4603 is a O-Ring, manufactured by Dover Resources, Inc. Div Norriseal, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-046-4603 has 2 manufacturer part numbers on file: 911R358 PIECE 15 (Dover Resources, Inc. Div Norriseal), 561A466 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-106-0941. Verify interchangeability with system specifications before substitution.
Key specifications for 911R358 PIECE 15: Cross-Sectional Height: 0.250 INCHES NOMINAL IN; Outside Diameter: 19.005 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC. 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.