The Attitude and Heading Reference U, cataloged under National Stock Number 6610-01-641-8845, is classified within Federal Supply Class 6610 (Flight Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is S-Tec Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6610-01-641-8845 |
| Primary Part Number | 42-005003-0001 |
| Item Name | Attitude and Heading Reference U |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Manufacturer | S-Tec Corporation |
| Status | ACTIVE |
| Current Type | AC |
| Voltage in Volts | 10.0 AND -80.0 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| E25S31304G09 | Indra Sistemas, Sociedad Anonima (ESP) |
| 42-005003-0001 PRIMARY | S-Tec Corporation (USA) |
NSN 6610-01-641-8845 is a Attitude and Heading Reference U, manufactured by S-Tec Corporation, classified under FSC 6610, Flight Instruments. Status: active.
NSN 6610-01-641-8845 has 2 manufacturer part numbers on file: E25S31304G09 (Indra Sistemas, Sociedad Anonima), 42-005003-0001 (S-Tec Corporation).
Key specifications for 42-005003-0001: Current Type: AC; Voltage in Volts: 10.0 AND -80.0; Special Features: DIMENSIONS-2 X 2.5 X 3.9 IN. INCORPORATES MAGNETIC SENSING UNIT & OUTSIDE AIR TEMPERATURE PROBE, MOUNTING-ALIGN W/ LONGITUDINAL AXIS, VELOCITY RANGE-20-550 KIAS IN; Part Name Assigned by Controlling Agency: ADAHRS, INTEGRATED. 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 6610-01-641-8845 has DEMIL Code D. 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.