The Shaft and Ring,fuel, cataloged under National Stock Number 2915-01-018-3827, is classified within Federal Supply Class 2915 (Engine Fuel System Components, Aircraft and Missile Prime Movers) of the Engine Accessories group. The manufacturer of record is Triumph Engine Control Systems Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 2915-01-018-3827 |
| Primary Part Number | 91620 |
| Item Name | Shaft and Ring,fuel |
| FSC / FSG | 2915 / 29 — Engine Fuel System Components, Aircraft and Missile Prime Movers |
| Manufacturer | Triumph Engine Control Systems Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 91620 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| CM-91620 | 5/9 Secondary reference Cmp Hydraulics Inc. |
| 91620 | 5/9 Secondary reference Transupport Inc Dba Transupport Inc |
NSN 2915-01-018-3827 is a Shaft and Ring,fuel, manufactured by Triumph Engine Control Systems Llc, classified under FSC 2915, Engine Fuel System Components, Aircraft and Missile Prime Movers. Status: active.
NSN 2915-01-018-3827 has 1 manufacturer part number on file: 91620 (Triumph Engine Control Systems Llc).
2 possible matches (shared part number, not a government interchangeability claim): 6680-01-374-4912, 4730-01-716-0316. Verify interchangeability with system specifications before substitution.
Key specifications for 91620: End Item Identification: AH-1, UH-1, OV-1 TUBINE ENGINE, ROTARY WING AIRCRAFT. 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.
NSN 2915-01-018-3827 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.