The Ring,rod,piston, cataloged under National Stock Number 3040-01-306-2594, is classified within Federal Supply Class 3040 (Miscellaneous Power Transmission Equipment) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 3040-01-306-2594 |
| Primary Part Number | B-14632 N-253-A |
| Item Name | Ring,rod,piston |
| FSC / FSG | 3040 / 30 — Miscellaneous Power Transmission Equipment |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Material Document and Classification | 46-B-5 GR II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Features Provided | WEARING EDGES BEVELEDWEARING EDGES BEVELED |
| Radial Wall Thickness | 0.1285 INCHES MINIMUM AND 0.1285 INCHES MINIMUM AND 0.1288 INCHES MAXIMUM0.1288 INCHES MAXIMUM IN |
| Standard Bore Diameter | 0.6875 INCHES0.6875 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| N-47241 PIECE 2 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| B-14632 N-253-A PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 271708-2 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 271708 | D/9 Drawing number reference only Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 3040-01-306-2594 is a Ring,rod,piston, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 3040, Miscellaneous Power Transmission Equipment. Status: active.
NSN 3040-01-306-2594 has 3 manufacturer part numbers on file: N-47241 PIECE 2 (Eaton Aerospace, Llc Dba Jackson South), B-14632 N-253-A (Eaton Aerospace, Llc Dba Jackson South), 271708-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for B-14632 N-253-A: Overall Width: 0.2745 INCHES MINIMUM AND 0.2745 INCHES MINIMUM AND 0.2755 INCHES MAXIMUM0.2755 INCHES MAXIMUM IN; Material Document and Classification: 46-B-5 GR II MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Features Provided: WEARING EDGES BEVELEDWEARING EDGES BEVELED; Radial Wall Thickness: 0.1285 INCHES MINIMUM AND 0.1285 INCHES MINIMUM AND 0.1288 INCHES MAXIMUM0.1288 INCHES MAXIMUM IN. 5 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.