The Compensator-Transmi, cataloged under National Stock Number 6605-00-487-4773, is classified within Federal Supply Class 6605 (Navigational Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 6605-00-487-4773 |
| Primary Part Number | MODEL 803 |
| Item Name | Compensator-Transmi |
| FSC / FSG | 6605 / 66 — Navigational Instruments |
| Manufacturer | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems |
| Status | ACTIVE |
| 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 |
|---|---|
| MODEL 803 PRIMARY | Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems (USA) |
| Reference | Meaning |
|---|---|
| 28259 | 5/2 Secondary reference U.S. Government activity |
| 656767 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 656767 | 5/9 Secondary reference Sperry Corp |
| CN405ASN | 5/2 Secondary reference U.S. Government activity |
| SM-D-493452 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6605-00-487-4773 is a Compensator-Transmi, manufactured by Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems, classified under FSC 6605, Navigational Instruments. Status: active.
NSN 6605-00-487-4773 has 1 manufacturer part number on file: MODEL 803 (Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems).
4 possible matches (shared part number, not a government interchangeability claim): 1650-00-611-8871, 5325-00-804-7636, 6130-01-079-2802. Verify interchangeability with system specifications before substitution.
Key specifications for MODEL 803: End Item Identification: AVIONICS GYRO COMPASS (NAVIGATION). 0 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 6605-00-487-4773 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.