The Test Set,leakage,guided Missile, cataloged under National Stock Number 4935-01-498-2528, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4935-01-498-2528 |
| Primary Part Number | PWA57939 |
| Item Name | Test Set,leakage,guided Missile |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Criticality Code Justification | AQXY |
| Test Type for Which Designed | VACUUM PUMP,RECIPROCATING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| PWA57939 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4935PL0818239 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4935-01-498-2528 is a Test Set,leakage,guided Missile, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-498-2528 has 1 manufacturer part number on file: PWA57939 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA57939: Criticality Code Justification: AQXY; Special Features: USED TO CHECK THE PS2TO DEEC SYSTEM FOR LEAKS. THIS ITEM IS USED TO PRECLUDE ERRONEOUS TEST SIGNALS AND RESULTS BY PRODUCING A VACUUM. THE PUMP END IS CONNECTED TO A FLEXIBLE HOSE AND IS MANUALLY PRESSURED BY A HAND GRIP. A GAGE RANGING FROM 0 TO 30 PSI MERCURY IS ATTACHED. OPERATOR HAND PUMPS TO 8 INCH MERCURY AND WATCHES FOR PRESSURE DECREASE OVER 60 SECONDS IN; Part Name Assigned by Controlling Agency: SET VACUUM TESTER; Test Type for Which Designed: VACUUM PUMP,RECIPROCATING. 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.
NSN 4935-01-498-2528 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.