The Vacuum Pump Unit,reciprocating, cataloged under National Stock Number 4310-01-434-4532, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4310-01-434-4532 |
| Primary Part Number | 70700-77325-046 |
| Item Name | Vacuum Pump Unit,reciprocating |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Discharge Connection Quantity | 1 |
| Pump Quantity | 1 |
| Stage Quantity | 1 |
| Intake Connection Quantity | 1 |
| System Design | NONCORROSIVE |
| Material | STEEL PUMP BODY |
| Prime Mover Type | ELECTRIC MOTOR |
| 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 |
|---|---|
| 70700-77325-046 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| Reference | Meaning |
|---|---|
| 70700-77325 | D/9 Drawing number reference only Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 4310-01-434-4532 is a Vacuum Pump Unit,reciprocating, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-01-434-4532 has 1 manufacturer part number on file: 70700-77325-046 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
Key specifications for 70700-77325-046: Discharge Connection Quantity: 1; Pump Quantity: 1; Stage Quantity: 1; End Item Identification: 1520-01-082-0686; USED ON THE HELICOPTER, ELECTRONIC COUNTERMEASURES, EH-60A A. 7 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.