The Pump,hydraulic, cataloged under National Stock Number 4320-01-545-5812, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4320-01-545-5812 |
| Primary Part Number | 68-335D |
| Item Name | Pump,hydraulic |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec |
| Status | ACTIVE |
| Relationship to Similar Equipment | SIMILAR TO 4320-01-524-7788 |
| Purchase Description Identification | 98897-4H90000-111B |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS MODIFIED TESTING FROM 4H90000-111A A |
| 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 |
|---|---|
| 68-335D | Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec (USA) |
| Reference | Meaning |
|---|---|
| 30001 | 5/9 Secondary reference Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana Div Integral Aerospace, Llc Dba Pcx Aerosystems - Santa Ana |
| 4H90000-111B | 5/9 Secondary reference U.S. Government activity |
| 4H90000-109C | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 4320-01-545-5812 is a Pump,hydraulic, manufactured by Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-545-5812 has 1 manufacturer part number on file: 68-335D (Hydro-Aire Aerospace Corp. Dba Lear Romec Div Lear Romec).
Key specifications for 68-335D: Relationship to Similar Equipment: SIMILAR TO 4320-01-524-7788; Purchase Description Identification: 98897-4H90000-111B; Special Features: PUMP MOTOR, HYDRAULIC P/N 31548; IMPELLER P/N 31605; Part Name Assigned by Controlling Agency: PUMP-SUCTION BOOST HYDRAULIC MOTOR DRIVEN. 3 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.