The Rotor,engine Poppet Valve, cataloged under National Stock Number 2805-00-922-7734, 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 Eaton Corp Dba Eaton Aerospace Jackson. Government technical data includes 11 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-922-7734 |
| Primary Part Number | FRRA74A |
| Item Name | Rotor,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Eaton Corp Dba Eaton Aerospace Jackson |
| Status | ACTIVE |
| FSC Application Data | NONAIRCRAFT PRIME MOVING,NONSTARTING ENGINE |
| First Step Diameter | 0.816 INCHES NOMINAL IN |
| Starting Load Range | +45.0 TO 115.0 POUNDS LBS |
| Second Step Length | 0.276 INCHES NOMINAL IN |
| Style Designator | POSITIVE TYPE-TAPERED BORE |
| Rotation Direction | COUNTERCLOCKWISE |
| Second Step Diameter | 1.160 INCHES MAXIMUM IN |
| First Step Length | 0.063 INCHES NOMINAL IN |
| Minimum Rotation in Deg | 2.0 |
| Bore Diameter | 0.501 INCHES NOMINAL IN |
| Tapered Bore Included Angle in Deg | 14 DEG,15 MIN PORM 30 MIN |
| 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 |
|---|---|
| FRRA74A | Eaton Corp Dba Eaton Aerospace Jackson (USA) |
| Reference | Meaning |
|---|---|
| ERI3260 | 5/9 Secondary reference Renk America Llc Div Renk America |
| 377079C | 5/9 Secondary reference Hercules Engine Co Inc |
| F-R- RA-74-A | 3/9 Design control — primary reference Trw Equipment |
| 13206E0669 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 2805-00-922-7734 is a Rotor,engine Poppet Valve, manufactured by Eaton Corp Dba Eaton Aerospace Jackson, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-922-7734 has 1 manufacturer part number on file: FRRA74A (Eaton Corp Dba Eaton Aerospace Jackson).
Key specifications for FRRA74A: Overall Height: 0.445 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN; FSC Application Data: NONAIRCRAFT PRIME MOVING,NONSTARTING ENGINE; First Step Diameter: 0.816 INCHES NOMINAL IN; Starting Load Range: +45.0 TO 115.0 POUNDS LBS. 11 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.