The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-453-9844, 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 2 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-453-9844 |
| Primary Part Number | 091-200-02-16AQ |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| General Characteristics Item Description | MECHANICAL SEAL FOR 2.00IN. DIA SHAFT IN |
| Material | STEEL CORROSION RESISTING AND 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 |
|---|---|
| B36379 | John Crane, Inc (USA) |
| 091-200-02-16AQ PRIMARY | Carver Pump Company (USA) |
| CF-SP-72907TY1-2.00XD10 58 1 316 | John Crane, Inc (USA) |
| Reference | Meaning |
|---|---|
| N-999-65GD-A-002 ITEM 29 | 5/9 Secondary reference Carver Pump Company |
| 091-200-02-02AQ | 5/9 Secondary reference Carver Pump Company |
| N-999-65GD-A-002 | D/9 Drawing number reference only Carver Pump Company |
NSN 4320-01-453-9844 is a Seal Assembly,shaft,spring Loade, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-453-9844 has 3 manufacturer part numbers on file: B36379 (John Crane, Inc), 091-200-02-16AQ (Carver Pump Company), CF-SP-72907TY1-2.00XD10 58 1 316 (John Crane, Inc).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-545-4084. Verify interchangeability with system specifications before substitution.
Key specifications for 091-200-02-16AQ: General Characteristics Item Description: MECHANICAL SEAL FOR 2.00IN. DIA SHAFT IN; Special Features: FOR CARVER PUMP CO., 5NC2 VERTICAL PUMP; Part Name Assigned by Controlling Agency: MECHANICAL SEAL; End Item Identification: NAVY WEAPONS CODE TH, STRATEGIC SEALIFT CONVERSION SHIPS CLASS. 2 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.