The Ring,piston, cataloged under National Stock Number 2805-01-130-2593, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-130-2593 |
| Primary Part Number | 1534 AS 111 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | RACK,BOMB,EJECTOR AIRCRAFT,BRU-32/A |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0540 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 0.582 INCHES IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 1534AS111 | Gtc Machining Llc (USA) |
| 1534AS111 | Marvin Engineering Co, Inc (USA) |
| 1534AS111 | Preci-Manufacturing, Incorporated (USA) |
| 1534AS111 | Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries (USA) |
| 1534 AS 111 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| C013431-1 | C/1 Advisory reference — outside the item-of-supply concept The Boeing Company |
| 1534AS111 | 5/9 Secondary reference Goodrich Corporation Dba Goodrich Corp, a New York Corp |
| 1534AS111 | 5/9 Secondary reference Solo Enterprise Corp. Dba Solo Enterprise Corp |
| C013431-1 | 5/9 Secondary reference U.S. Government activity |
| 10106385 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 1534AS111 | 5/9 Secondary reference Vertex Modernization and Sustainment Llc |
| 1534AS111 | 5/9 Secondary reference Garrity Tool Company, Llc |
NSN 2805-01-130-2593 is a Ring,piston, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-130-2593 has 5 manufacturer part numbers on file: 1534AS111 (Gtc Machining Llc), 1534AS111 (Marvin Engineering Co, Inc), 1534AS111 (Preci-Manufacturing, Incorporated), 1534AS111 (Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries), 1534 AS 111 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 1534 AS 111: FSC Application Data: RACK,BOMB,EJECTOR AIRCRAFT,BRU-32/A; Criticality Code Justification: FEAT; Overall Width: 0.0940 INCHES MINIMUM AND 0.0950 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE. 8 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.