The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-428-9754, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-428-9754 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Material Document and Classification | ASTM-B164 N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | NICKEL ALLOY OVERALL |
| 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 |
|---|---|
| NA1878 | 5/2 Secondary reference U.S. Government activity |
| 8-0224-02 | 3/2 Design control — primary reference U.S. Government activity |
| PL 8MVHSM-2 ITEM 8 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-01-428-9754 is a Sleeve,shaft,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4320-01-487-7879. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-428-9754: Material Document and Classification: ASTM-B164 N04400 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Special Features: 2 REQUIRED FOR BUFFALO PUMP 8MVHSM CENTRIFUGAL PUMP; End Item Identification: NAVY WEAPONS SYSTEMS VN, BOB HOPE CLASS T-AKR 300; Material: NICKEL ALLOY OVERALL. 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.