The Ring,piston, cataloged under National Stock Number 2805-01-151-0690, 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 The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-151-0690 |
| Primary Part Number | 74A410605-2001 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| FSC Application Data | ACFT LANDING GEAR |
| Material Document and Classification | QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | DIAGONAL JOINT |
| Radial Wall Thickness | 0.3050 INCHES MINIMUM AND 0.3150 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 5.250 INCHES IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 74A410605-2001 | Nassau Tool Works, Inc (USA) |
| 74A410605-2001 | Heroux-Devtek Inc (CAN) |
| 74A410605-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A410605-2001 | Safran Landing Systems Canada Inc. (CAN) |
| 74A410605-2001 | Goodrich Corporation (USA) |
| Reference | Meaning |
|---|---|
| 74A410605-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
| 74A410605-2001 | 5/9 Secondary reference Goodrich Corp Dba Goodrich Corp |
| 74A410605-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A410605-2001 | 5/9 Secondary reference Israel Aerospace Industries Ltd. Shl - Aero Assemblies Division |
| 74A410605-2001 | 5/9 Secondary reference Goodrich Corporation Div Advanced Structures Landing Systems |
| 74A410605-2001 | 5/9 Secondary reference All Tools, Inc. Dba E2 Precision Products |
NSN 2805-01-151-0690 is a Ring,piston, manufactured by The Boeing Company Div Defense, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-151-0690 has 5 manufacturer part numbers on file: 74A410605-2001 (Nassau Tool Works, Inc), 74A410605-2001 (Heroux-Devtek Inc), 74A410605-2001 (The Boeing Company Div Defense), 74A410605-2001 (Safran Landing Systems Canada Inc.), 74A410605-2001 (Goodrich Corporation).
Key specifications for 74A410605-2001: FSC Application Data: ACFT LANDING GEAR; Overall Width: 0.2400 INCHES NOMINAL IN; Material Document and Classification: QQ-A-225/9,T73 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/9,T7351 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73510 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-200/11,T73511 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; 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.
NSN 2805-01-151-0690 has DEMIL Code Q. 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.