The Weight,counterbalance, cataloged under National Stock Number 3040-01-366-3865, 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. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-366-3865 |
| Primary Part Number | 5543607-004 |
| Item Name | Weight,counterbalance |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Raytheon Company |
| 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 |
|---|---|
| 5543607-004 | Naval Sea Systems Command (USA) |
| 5543607-004 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 5543607 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 3040-01-366-3865 is a Weight,counterbalance, manufactured by Raytheon Company, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-366-3865 has 2 manufacturer part numbers on file: 5543607-004 (Naval Sea Systems Command), 5543607-004 (Raytheon Company).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-366-3866. Verify interchangeability with system specifications before substitution.
Key specifications for 5543607-004: Special Features: MATERIAL CRES TYPE 303 PER AMS 5640,DIA 2.000 IN.,0.400 IN. WD,TWO 0.138-32 UNC-2B THRU CSK 82 DEGREES X 0.148 DIA CENTER TO CENTER DISTANCE 1.000 IN. IN. 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.