The Inertial Navigation Unit, cataloged under National Stock Number 6605-01-231-9756, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6605-01-231-9756 |
| Primary Part Number | 34065750-021 |
| Item Name | Inertial Navigation Unit |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| Status | ACTIVE |
| Frequency in Hertz | 400.0 |
| Current Type | AC |
| Relationship to Similar Equipment | SIMILAR TO CN-1557/ASN-140 |
| Supplementary Features | ESD HANDLING REQUIRED WHEN COVERS ARE REMOVED OR THE J3 CONNECTOR CAP REMOVED; INCLUDES PROVISIONS FOR INTERNAL BATTERY |
| Voltage in Volts | 115.0 AND 200.0 |
| Functional Description | SELF-CONTAINED,FORCED AIR COOLED,ALL ATTITUDE STRAP-DOWN NAVIGATION UNIT THAT PROVIDES ACCELERATION,VELOCITY,POSITION,ATTUTUDE,AND ALTITUDE; UTILIZES THREE RING LASER GYROSCOPES FOR ANGULAR REFERENCE,AND THREE ACCELEROMETERS IN A STRAP-DOWN,UNHEATED CONFIGURATION; DUAL MIL-STD-1750A PROCESSORS ARE EMPLOYED W/16-BIT WORD ARCHITECTURE AND MIL-STD-1589B JOVIAL (J73) HOL SOFTWARE A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 34065750-021 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 34065750-018 | 5/9 Secondary reference Honeywell International Inc. Dba Honeywell |
| CN-1655A/ASN | 5/2 Secondary reference U.S. Government activity |
NSN 6605-01-231-9756 is a Inertial Navigation Unit, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-01-231-9756 has 1 manufacturer part number on file: 34065750-021 (Honeywell International Inc. Dba Honeywell International).
2 possible matches (shared part number, not a government interchangeability claim): 6605-01-296-9809, 6605-01-357-4519. Verify interchangeability with system specifications before substitution.
Key specifications for 34065750-021: Overall Height: 8.280 INCHES NOMINAL IN; Frequency in Hertz: 400.0; Current Type: AC; Relationship to Similar Equipment: SIMILAR TO CN-1557/ASN-140. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6605-01-231-9756 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.