The Cover,hydraulic,pump-Motor, cataloged under National Stock Number 4320-01-191-4328, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Tuthill Corporation Dba Tuthill Pump Group. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4320-01-191-4328 |
| Primary Part Number | 1L6X797-A |
| Item Name | Cover,hydraulic,pump-Motor |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Tuthill Corporation Dba Tuthill Pump Group |
| 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 |
|---|---|
| 1L6X797-A PRIMARY | Tuthill Corporation Dba Tuthill Pump Group (USA) |
| Reference | Meaning |
|---|---|
| N-1022H PIECE 6,31 AND 35 | 5/9 Secondary reference Tuthill Corporation Dba Tuthill Pump Group |
| N-1022H | D/9 Drawing number reference only Tuthill Corporation Dba Tuthill Pump Group |
NSN 4320-01-191-4328 is a Cover,hydraulic,pump-Motor, manufactured by Tuthill Corporation Dba Tuthill Pump Group, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-191-4328 has 1 manufacturer part number on file: 1L6X797-A (Tuthill Corporation Dba Tuthill Pump Group).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-676-0741, 5310-01-676-0804, 5310-01-676-1520. Verify interchangeability with system specifications before substitution.
Key specifications for 1L6X797-A: Special Features: IRON COVER; 2.750 IN.OD; EIGHT 0.281 IN. DIA HOLES EQUALLY SPACED ON 2.187 IN. BOLT CIRCLE DIA; W/STEEL PIN 0.373 IN. DIA BY 1.281 IN. LG IN. 0 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.