The Ring,piston, cataloged under National Stock Number 3040-01-147-3535, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3040-01-147-3535 |
| Primary Part Number | 1534 AS 297 |
| Item Name | Ring,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| FSC Application Data | RACK,BOMB,EJECTOR AIRCRAFT,BR4-32/A |
| Criticality Code Justification | FEAT |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0800 INCHES NOMINAL IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.086 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 | Y |
| Part Number | Manufacturer |
|---|---|
| 1534AS297 | Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries (USA) |
| 1534AS297 | Marvin Engineering Co, Inc (USA) |
| 1534 AS 297 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1534AS297 | Vertex Modernization and Sustainment Llc (USA) |
| 1534AS297 | Solo Enterprise Corp. Dba Solo Enterprise Corp (USA) |
| Reference | Meaning |
|---|---|
| 1534AS297 | 5/9 Secondary reference Goodrich Corporation Dba Goodrich Corp, a New York Corp |
| 10372590 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| C013494-1 | 5/9 Secondary reference U.S. Government activity |
| C013494-1 | 5/9 Secondary reference U.S. Government activity |
NSN 3040-01-147-3535 is a Ring,piston, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-147-3535 has 5 manufacturer part numbers on file: 1534AS297 (Klune Industries, Inc. Div Pcc Aerostructures, Spanish Fork Dba Klune Industries), 1534AS297 (Marvin Engineering Co, Inc), 1534 AS 297 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1534AS297 (Vertex Modernization and Sustainment Llc), 1534AS297 (Solo Enterprise Corp. Dba Solo Enterprise Corp).
Key specifications for 1534 AS 297: FSC Application Data: RACK,BOMB,EJECTOR AIRCRAFT,BR4-32/A; Criticality Code Justification: FEAT; Overall Width: 0.0610 INCHES MINIMUM AND 0.0620 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.