The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-256-9795, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-256-9795 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ONE CERAMIC SEAL SEAT; ONE BUNA-N GASKET; ONE CARBON SEAL FACE; ONE BUNA-N FRICTION RING; ONE STAINLESS STEEL RETAINER; ONE STAINLESS STEEL BAND; ONE STAINLESS STEEL SPRING AND ONE STAINLESS STEEL SPRING HOLDER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 9934 | 3/9 Design control — primary reference Eg and G Sealol Industrial Sealing Div |
NSN 4320-01-256-9795 is a Seal Assembly,shaft,spring Loade, classified under FSC 4320, Power and Hand Pumps. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6145-01-386-3564, 3040-01-397-5689, 7930-01-513-9968. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-256-9795: General Characteristics Item Description: CONSISTS OF ONE CERAMIC SEAL SEAT; ONE BUNA-N GASKET; ONE CARBON SEAL FACE; ONE BUNA-N FRICTION RING; ONE STAINLESS STEEL RETAINER; ONE STAINLESS STEEL BAND; ONE STAINLESS STEEL SPRING AND ONE STAINLESS STEEL SPRING HOLDER. 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.