The Gyro Rate and Demodulator Specif, cataloged under National Stock Number 1005-01-112-8557, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Atlantic Inertial Systems Inc Div Cheshire Division. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1005-01-112-8557 |
| Primary Part Number | 103285-001 |
| Item Name | Gyro Rate and Demodulator Specif |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Atlantic Inertial Systems Inc Div Cheshire Division |
| Status | ACTIVE |
| General Characteristics Item Description | DESIGN CONTROL REFERENCE NO. IS 12292197 |
| 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 |
|---|---|
| 103285-001 PRIMARY | Atlantic Inertial Systems Inc Div Cheshire Division (USA) |
| 12292197-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 12292197 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 304780-3 | 5/9 Secondary reference Timex Corp |
| 12292197-2 | 5/9 Secondary reference Triumph Engine Control Systems Llc |
| 79858 | 5/9 Secondary reference U.S. Government activity |
NSN 1005-01-112-8557 is a Gyro Rate and Demodulator Specif, manufactured by Atlantic Inertial Systems Inc Div Cheshire Division, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-112-8557 has 2 manufacturer part numbers on file: 103285-001 (Atlantic Inertial Systems Inc Div Cheshire Division), 12292197-2 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-244-9628. Verify interchangeability with system specifications before substitution.
Key specifications for 103285-001: General Characteristics Item Description: DESIGN CONTROL REFERENCE NO. IS 12292197. 1 specification is 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 1005-01-112-8557 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.