The Ring,piston, cataloged under National Stock Number 2805-01-153-1654, is classified within Federal Supply Class 2805 (Gasoline Reciprocating Engines, Except Aircraft; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Kitco Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-153-1654 |
| Primary Part Number | ST7M342-24 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Kitco Llc |
| Status | ACTIVE |
| FSC Application Data | LAUNCHER,GUIDED MISSILE,AIRCRAFT LAU-116/A |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0600 INCHES MINIMUM AND 0.0700 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.930 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST7M342-24 | Kitco Llc (USA) |
| ST7M342-24 | Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company (USA) |
| ST7M342-24 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| ST7M342-24 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| J3-1045 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2805-01-153-1654 is a Ring,piston, manufactured by Kitco Llc, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-153-1654 has 4 manufacturer part numbers on file: ST7M342-24 (Kitco Llc), ST7M342-24 (Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company), ST7M342-24 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc), ST7M342-24 (The Boeing Company Div Defense).
Key specifications for ST7M342-24: FSC Application Data: LAUNCHER,GUIDED MISSILE,AIRCRAFT LAU-116/A; Overall Width: 0.0590 INCHES MINIMUM AND 0.0600 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 7 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 2805-01-153-1654 has DEMIL Code B. 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.