The Adjusting Device,belt-Chain Tens, cataloged under National Stock Number 3040-01-581-6572, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Raytheon Company Dba Raytheon. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-581-6572 |
| Primary Part Number | 1669252-1 |
| Item Name | Adjusting Device,belt-Chain Tens |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Raytheon Company Dba Raytheon |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1669252-1 PRIMARY | Raytheon Company Dba Raytheon (USA) |
| Reference | Meaning |
|---|---|
| 10340197 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 3040-01-581-6572 is a Adjusting Device,belt-Chain Tens, manufactured by Raytheon Company Dba Raytheon, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-581-6572 has 1 manufacturer part number on file: 1669252-1 (Raytheon Company Dba Raytheon).
1 possible match (shared part number, not a government interchangeability claim): 1386-01-659-4075. Verify interchangeability with system specifications before substitution.
Key specifications for 1669252-1: End Item Identification: 5855-01-573-2483;MEDIUM RANGE THERMAL BI-OCULAR(MRTB). 0 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.
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.