The Ring,piston, cataloged under National Stock Number 2805-00-412-9708, 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 Goodrich Corporation. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2805-00-412-9708 |
| Primary Part Number | 9754F270 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Goodrich Corporation |
| Status | ACTIVE |
| FSC Application Data | STRUT,LANDING GEAR,AIRCRAFT |
| Bore Diameter Oversize | 0.002 INCHES IN |
| Material Document and Classification | AMS7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0800 INCHES MINIMUM AND 0.0860 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 2.038 INCHES IN |
| Material | IRON 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 |
|---|---|
| 9754F270 PRIMARY | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 9754F270 | 3/9 Design control — primary reference Goodrich Corporation Div Advanced Structures Landing Systems |
NSN 2805-00-412-9708 is a Ring,piston, manufactured by Goodrich Corporation, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-412-9708 has 1 manufacturer part number on file: 9754F270 (Goodrich Corporation).
Key specifications for 9754F270: FSC Application Data: STRUT,LANDING GEAR,AIRCRAFT; Bore Diameter Oversize: 0.002 INCHES IN; Overall Width: 0.1855 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM IN; Material Document and Classification: AMS7310 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 9 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 2805-00-412-9708 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.