The Ring,piston, cataloged under National Stock Number 2805-01-175-8869, 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 Cross Manufacturing Company (1938) Limited. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-01-175-8869 |
| Primary Part Number | S.16746 |
| Item Name | Ring,piston |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Cross Manufacturing Company (1938) Limited |
| Status | ACTIVE |
| FSC Application Data | SERVO UNIT,AIR MOTOR |
| Cross-Sectional Shape Style | PLAIN RECTANGULAR, STRAIGHT FACE |
| Joint Style | VERTICAL JOINT |
| Radial Wall Thickness | 0.0450 INCHES MINIMUM AND 0.0500 INCHES MAXIMUM IN |
| Ring Style | CONCENTRIC |
| Standard Bore Diameter | 1.750 INCHES IN |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| S.16746 PRIMARY | Cross Manufacturing Company (1938) Limited (GBR) |
| Reference | Meaning |
|---|---|
| 754/7/37881/000 | C/1 Advisory reference — outside the item-of-supply concept Eaton Limited |
| 754/37881/000 | 7/2 Vendor item drawing reference Eaton Limited |
NSN 2805-01-175-8869 is a Ring,piston, manufactured by Cross Manufacturing Company (1938) Limited, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-01-175-8869 has 1 manufacturer part number on file: S.16746 (Cross Manufacturing Company (1938) Limited).
Key specifications for S.16746: FSC Application Data: SERVO UNIT,AIR MOTOR; Overall Width: 0.0610 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN; Cross-Sectional Shape Style: PLAIN RECTANGULAR, STRAIGHT FACE; Joint Style: VERTICAL JOINT. 7 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 2805-01-175-8869 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.