The Test Set,countermeasures Dispens, cataloged under National Stock Number 4920-01-074-9056, 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 Bae Systems Information & Electronic Systems Integration Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4920-01-074-9056 |
| Primary Part Number | 135602-0004 |
| Item Name | Test Set,countermeasures Dispens |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Bae Systems Information & Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Length | 13.750 INCHES NOMINAL IN |
| Major Components | ADAPTER,TEST 4;ADAPTER,CABLE 3;BENCH PRINTED WIRING BOARD,CABLE ASSEMBLY 1 |
| DC Voltage Rating | 28.0 VOLTS NOMINAL |
| Reference Data and Literature | T.O.33D7-13-75-1 |
| Electrical Power Source Relationship | ALTERNATE OPERATING |
| Height | 14.000 INCHES NOMINAL IN |
| Functional Classification | HH-3.5 |
| Functional Description | USED FOR FLIGHTLINE/BENCH TEST CHECKOUT-MAINTENANCE OF THE DISPENSER UNIT OF THE COUNTERMEASURES DISPENSING SET |
| Enclosure Feature | SINGLE ITEM W/CARRYING CASE |
| Width | 11.440 INCHES NOMINAL IN |
| Type/model Designation | AN/ALM-177A A |
| Test Type for Which Designed | FUNCTIONAL TESTING AND FAULT ISOLATION |
| 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 |
|---|---|
| 135602-0004 PRIMARY | Bae Systems Information & Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| AN/ALM-177A | 5/1 Secondary reference U.S. Government activity |
NSN 4920-01-074-9056 is a Test Set,countermeasures Dispens, manufactured by Bae Systems Information & Electronic Systems Integration Inc., classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-074-9056 has 1 manufacturer part number on file: 135602-0004 (Bae Systems Information & Electronic Systems Integration Inc.).
Key specifications for 135602-0004: Length: 13.750 INCHES NOMINAL IN; Major Components: ADAPTER,TEST 4;ADAPTER,CABLE 3;BENCH PRINTED WIRING BOARD,CABLE ASSEMBLY 1; DC Voltage Rating: 28.0 VOLTS NOMINAL; Reference Data and Literature: T.O.33D7-13-75-1. 12 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 4920-01-074-9056 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.