The Wrench LT190, cataloged under National Stock Number 5855-01-548-4201, is classified within Federal Supply Class 5855 (Night Vision Equipment, Emitted and Reflected Radiation) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Austin Precision Products Incorporated Div Larue Tactical. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5855-01-548-4201 |
| Primary Part Number | LT002B |
| Item Name | Wrench LT190 |
| FSC / FSG | 5855 / 58 — Night Vision Equipment, Emitted and Reflected Radiation |
| Manufacturer | Austin Precision Products Incorporated Div Larue Tactical |
| 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 |
|---|---|
| LFEMUMS-004 | L.f.e. (FRA) |
| LT002B PRIMARY | Austin Precision Products Incorporated Div Larue Tactical (USA) |
| Reference | Meaning |
|---|---|
| WRENCH LT190 | 5/9 Secondary reference Austin Precision Products Incorporated Div Larue Tactical |
| 56647 | 5/9 Secondary reference Optical Systems Technology, Inc Dba Osti Startron |
NSN 5855-01-548-4201 is a Wrench LT190, manufactured by Austin Precision Products Incorporated Div Larue Tactical, classified under FSC 5855, Night Vision Equipment, Emitted and Reflected Radiation. Status: active.
NSN 5855-01-548-4201 has 2 manufacturer part numbers on file: LFEMUMS-004 (L.f.e.), LT002B (Austin Precision Products Incorporated Div Larue Tactical).
1 possible match (shared part number, not a government interchangeability claim): 7530-01-608-8302. Verify interchangeability with system specifications before substitution.
Key specifications for LT002B: Part Name Assigned by Controlling Agency: WRENCH,MOUNT ADJUST; End Item Identification: 5855-01-547-9489;SIGHT,NIGHT VISION SNIPERSCOPE. 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.
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.