The Test Set,auxiliary Power Unit, cataloged under National Stock Number 4920-01-140-8324, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-140-8324 |
| Primary Part Number | 164045-100 |
| Item Name | Test Set,auxiliary Power Unit |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Reference Data and Literature | T.O. 33D7-61-97-4 |
| Functional Classification | AA-9.1 |
| Functional Description | REQUIRED TO TEST UNIT OPERATION/PERFORMANCE OR ISOLATE OPERATIONAL FAULTS TO INDIVIDUAL COMPONENTS |
| Type/model Designation | TTU-469/E |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 164045-100 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| Reference | Meaning |
|---|---|
| F458-54837-2 | 5/2 Secondary reference U.S. Government activity |
| TTU-469/E | 5/2 Secondary reference U.S. Government activity |
NSN 4920-01-140-8324 is a Test Set,auxiliary Power Unit, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-140-8324 has 1 manufacturer part number on file: 164045-100 (Rtx Corporation Div Pratt & Whitney).
Key specifications for 164045-100: Reference Data and Literature: T.O. 33D7-61-97-4; Functional Classification: AA-9.1; Functional Description: REQUIRED TO TEST UNIT OPERATION/PERFORMANCE OR ISOLATE OPERATIONAL FAULTS TO INDIVIDUAL COMPONENTS; Part Name Assigned by Controlling Agency: AUXILIARY POWER UNIT TEST SET. 4 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 4920-01-140-8324 has DEMIL Code Q. 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.