The Ring,rod,piston, cataloged under National Stock Number 3040-01-519-2398, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3040-01-519-2398 |
| Primary Part Number | AHA0025-140-001 |
| Item Name | Ring,rod,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc |
| 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 |
|---|---|
| A12269 REV 4 ITEM NO 8 | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc (USA) |
| AHA0025-140-001 PRIMARY | The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc (USA) |
| Reference | Meaning |
|---|---|
| A12269 | D/9 Drawing number reference only The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc |
NSN 3040-01-519-2398 is a Ring,rod,piston, manufactured by The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-519-2398 has 2 manufacturer part numbers on file: A12269 REV 4 ITEM NO 8 (The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc), AHA0025-140-001 (The Carlyle Johnson Machine Co, Llc Dba Carlyle Johnson Machine Co Llc).
1 possible match (shared part number, not a government interchangeability claim): 3040-01-519-2403. Verify interchangeability with system specifications before substitution.
Key specifications for AHA0025-140-001: End Item Identification: FAIL SAFE BRAKE WITH MANUAL RELEASE, CABLE. 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.