The Test Set,electronic Systems, cataloged under National Stock Number 4920-01-157-0049, 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 Monarch Films Inc Dba Monarch Industries. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-157-0049 |
| Primary Part Number | 8-460-01 |
| Item Name | Test Set,electronic Systems |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Monarch Films Inc Dba Monarch Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL C — Remove/Demil Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8-460-01 PRIMARY | Monarch Films Inc Dba Monarch Industries (USA) |
| Reference | Meaning |
|---|---|
| R-TBD-288 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
| 8-460-01 | 5/9 Secondary reference Eldec Aerospace Corp |
NSN 4920-01-157-0049 is a Test Set,electronic Systems, manufactured by Monarch Films Inc Dba Monarch Industries, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-157-0049 has 1 manufacturer part number on file: 8-460-01 (Monarch Films Inc Dba Monarch Industries).
1 possible match (shared part number, not a government interchangeability claim): 6150-01-335-7792. Verify interchangeability with system specifications before substitution.
Key specifications for 8-460-01: Special Features: TEST SET PROXIMITY/PROVIDES THE NECESSARY ELECTRONICS TO ADJUST AND VERIFY OPERATION OF THE PROXIMITY SWITCH SENSORS AFTER INSTALLATION;INTERFACES W/THE PROXIMITY SWITCH SENSOR UNITS AND GROUND POWER;CONTAINED IN CARRYING CASE; End Item Identification: B-1B AIRCRAFT AGE.. 0 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 4920-01-157-0049 has DEMIL Code C. 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.