The Fixture,boresight, cataloged under National Stock Number 4920-01-155-2974, 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 Honeywell Inc Micro Switch Div. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-155-2974 |
| Primary Part Number | SPX-1555-3 |
| Item Name | Fixture,boresight |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Honeywell Inc Micro Switch Div |
| Status | ACTIVE |
| FSC Application Data | TESTER,INFRA-RED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| SPX-1555-3 | Honeywell Inc Micro Switch Div (USA) |
| Reference | Meaning |
|---|---|
| F311071-501 | 1/3 Source control — Government-approved source U.S. Government activity |
NSN 4920-01-155-2974 is a Fixture,boresight, manufactured by Honeywell Inc Micro Switch Div, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-155-2974 has 1 manufacturer part number on file: SPX-1555-3 (Honeywell Inc Micro Switch Div).
Key specifications for SPX-1555-3: FSC Application Data: TESTER,INFRA-RED; End Item Identification: AN/AAM-60(V)5; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO.. 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.
NSN 4920-01-155-2974 has DEMIL Code B. 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.