The Weight,counterbalance, cataloged under National Stock Number 3040-00-400-9547, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 3040-00-400-9547 |
| Primary Part Number | S1515-30118 |
| Item Name | Weight,counterbalance |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
| Status | ACTIVE |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| S1515-30118 | Rotair Aerospace Corp (USA) |
| S1515-30118-000 | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
| S1515-30118 PRIMARY | Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA) |
NSN 3040-00-400-9547 is a Weight,counterbalance, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-00-400-9547 has 3 manufacturer part numbers on file: S1515-30118 (Rotair Aerospace Corp), S1515-30118-000 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), S1515-30118 (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp).
1 possible match (shared part number, not a government interchangeability claim): 1615-01-125-8773. Verify interchangeability with system specifications before substitution.
Key specifications for S1515-30118: Overall Length: 4.375 INCHES NOMINAL IN; Special Features: TAPERED TO 0.625 IN. WIDTH SECOND END; TWO 0.219 IN. DIA HOLES; O/A HEIGHT,0.062 IN. NOM.; O/A WEIGHT,1.125 IN. NOM.; SURF TREATMENT, CADMIUM IN; Material: STEEL. 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 3040-00-400-9547 has DEMIL Code Q. 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.