The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-700-4273, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Fairbanks Morse, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Fairbanks Morse, Llc (CAGE 7PZX0) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-700-4273 |
| Primary Part Number | M99001586 |
| Item Name | Seal Assembly,shaft,spring Loade |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| M99001586 PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| M99000461 | D/9 Drawing number reference only Fairbanks Morse, Llc |
NSN 4320-01-700-4273 is a Seal Assembly,shaft,spring Loade, manufactured by Fairbanks Morse, Llc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-700-4273 has 1 manufacturer part number on file: M99001586 (Fairbanks Morse, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5331-01-700-4274, 3040-01-700-4277. Verify interchangeability with system specifications before substitution.
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.