The Support,mirror, cataloged under National Stock Number 4920-01-231-4187, 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 Fdh Defense Aftermarket, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Support,mirror |
| FSC / FSG | 4920 — Aircraft Maintenance and Repair Shop Specialized Equipment (FSG 49) |
| Manufacturers | Fdh Defense Aftermarket, Llc (CAGE 7CNG1) |
| Parameter | Value |
|---|---|
| NSN | 4920-01-231-4187 |
| Primary Part Number | 150641 |
| Item Name | Support,mirror |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Fdh Defense Aftermarket, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 150641 PRIMARY | Fdh Defense Aftermarket, Llc (USA) |
| Reference | Meaning |
|---|---|
| 150641 | 5/9 Secondary reference Criterion Machine Works |
| 150641 | 5/9 Secondary reference Lockheed Martin Corp Electronics and Missiles Div |
NSN 4920-01-231-4187 is a Support,mirror, manufactured by Fdh Defense Aftermarket, Llc, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-231-4187 has 1 manufacturer part number on file: 150641 (Fdh Defense Aftermarket, Llc).
1 possible match (shared part number, not a government interchangeability claim): 2010-01-555-5058. Verify interchangeability with system specifications before substitution.
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.