The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-504-5499, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-504-5499 |
| Primary Part Number | 091-175-99-0010 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING AND PLASTIC AND TUNGSTEN CARBIDE |
| 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 |
|---|---|
| 091-175-99-0010 PRIMARY | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 999-1110-B-02-90 | 5/9 Secondary reference Carver Pump Company |
| NSP-00391-1 | 5/9 Secondary reference Wartsila Lips Inc |
| NSP-00391-1 | 5/9 Secondary reference Defense Maritime Solutions, Inc. |
| 999-1110-B-02 REV 4 ITEM 90 | 5/9 Secondary reference Carver Pump Company |
NSN 4320-01-504-5499 is a Seal Assembly,shaft,spring Loade, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-504-5499 has 1 manufacturer part number on file: 091-175-99-0010 (Carver Pump Company).
Key specifications for 091-175-99-0010: Special Features: MECHANICAL SEAL MATERIAL: CARBON STEEL RING, TUNGSTON CARBIDE RETAINER DISK, STAINLESS STEEL SPRING AND VITON ELASTOMER SEALS; CARVER PUMP MATERIAL CODE Q015MQ015M; 1.750 INCH SEAL INSIDE DIAMETER IN; Part Name Assigned by Controlling Agency: MECHANICAL SEAL; End Item Identification: CENTRIFUGAL PUMP SHAFT; Material: STEEL CORROSION RESISTING AND PLASTIC AND TUNGSTEN CARBIDE. 1 specification is 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.