The Sleeve,shaft,pump, cataloged under National Stock Number 4320-01-304-2756, 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2 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-304-2756 |
| Item Name | Sleeve,shaft,pump |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Status | ACTIVE |
| Material Document and Classification | QQ-S-746,CLASS 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 416 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 |
|---|---|
| 250D57EX1 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 250D57EX1 | 3/9 Design control — primary reference U.S. Government activity |
| PL-10699-F-18 PIECE 57B | 5/9 Secondary reference U.S. Government activity |
| PL-10699-F-18 PIECE 57B | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| C-250D57EX1 | 5/9 Secondary reference U.S. Government activity |
| PL-10699-F-18 | D/9 Drawing number reference only U.S. Government activity |
NSN 4320-01-304-2756 is a Sleeve,shaft,pump, classified under FSC 4320, Power and Hand Pumps. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 4320-01-304-2906, 4320-01-304-2907, 4320-01-304-6818. Verify interchangeability with system specifications before substitution.
Key specifications for 4320-01-304-2756: Material Document and Classification: QQ-S-746,CLASS 416,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 416 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.