The Test Program Set, cataloged under National Stock Number 4920-01-440-9165, 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 Lockheed Martin Corporation Div Rotary and Mission Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-440-9165 |
| Primary Part Number | 204A961 |
| Item Name | Test Program Set |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Reference Data and Literature | SERD NO. 0003B |
| Functional Description | TESTS ALL SHOP REPLACEMENT UNITS EXCEPT THE POWER SUPPLY & IS MADE UP OF SHOP REPLACEMENT UNITS TEST PROGRAMS2, 4, 5, & 6 & INTERFACE TEST ADAPTER NO. 2; TESTS 4 SRUS & PROVIDES ALL UUTINTERFACE, HOOK-UP, TEST, DETECTION, FAULT ISOLATION & OPERATOR SAFETY REQUIREMENTS TO SUPPORT THE AP-102A DSS; PROVIDE FAULT ISOLATION TO SRUS TO 9 COMPONENTS OR LESS 95 PERCENT OF THE TIME, & TO 17 COMPONENTS OR LESS 100 PERCENT OF THE TIME 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 |
|---|---|
| 204A961 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
NSN 4920-01-440-9165 is a Test Program Set, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-440-9165 has 1 manufacturer part number on file: 204A961 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 204A961: Reference Data and Literature: SERD NO. 0003B; Functional Description: TESTS ALL SHOP REPLACEMENT UNITS EXCEPT THE POWER SUPPLY & IS MADE UP OF SHOP REPLACEMENT UNITS TEST PROGRAMS2, 4, 5, & 6 & INTERFACE TEST ADAPTER NO. 2; TESTS 4 SRUS & PROVIDES ALL UUTINTERFACE, HOOK-UP, TEST, DETECTION, FAULT ISOLATION & OPERATOR SAFETY REQUIREMENTS TO SUPPORT THE AP-102A DSS; PROVIDE FAULT ISOLATION TO SRUS TO 9 COMPONENTS OR LESS 95 PERCENT OF THE TIME, & TO 17 COMPONENTS OR LESS 100 PERCENT OF THE TIME A; Part Name Assigned by Controlling Agency: SHOP REPLACEMENT UNITS OPERATIONAL TEST PROGRAM SET; End Item Identification: AP102A DEPO SUPPORT SYSTEM (DSS). 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.
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.