The Rotor,engine Poppet Valve, cataloged under National Stock Number 2805-00-342-7480, 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 Chrysler Realty Company Llc Dba Daimler Chrysler. Government technical data includes 13 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2805-00-342-7480 |
| Primary Part Number | 1551002 |
| Item Name | Rotor,engine Poppet Valve |
| FSC / FSG | 2805 / 28 — Gasoline Reciprocating Engines, Except Aircraft; and Components |
| Manufacturer | Chrysler Realty Company Llc Dba Daimler Chrysler |
| Status | ACTIVE |
| FSC Application Data | GASOLINE ENGINE,NONAIRCRAFT |
| First Step Diameter | 0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN |
| Third Step Diameter | 1.203 INCHES NOMINAL IN |
| Starting Load Range | +84.0 TO 164.0 POUNDS LBS |
| Second Step Length | 0.125 INCHES NOMINAL IN |
| Style Designator | POSITIVE TYPE-TAPERED BORE |
| Rotation Direction | CLOCKWISE |
| Distance From End to Nearest Step | 0.112 INCHES MINIMUM AND 0.132 INCHES MAXIMUM IN |
| Second Step Diameter | 0.958 INCHES MINIMUM AND 0.990 INCHES MAXIMUM IN |
| First Step Length | 0.078 INCHES NOMINAL IN |
| Bore Diameter | 0.532 INCHES NOMINAL IN |
| Tapered Bore Included Angle in Deg | 14 DEG,15 MIN PORM 30 DEG |
| Third Step Length | 0.198 INCHES MINIMUM AND 0.218 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2805-00-342-7480 is a Rotor,engine Poppet Valve, manufactured by Chrysler Realty Company Llc Dba Daimler Chrysler, classified under FSC 2805, Gasoline Reciprocating Engines, Except Aircraft; and Components. Status: active.
NSN 2805-00-342-7480 has 3 manufacturer part numbers on file: RC78 (Trw Inc Trw Intl Trade Government Sales Dept), 10861875 (U S Army Tank Automotive Command Amsta-Im-Mm), 1551002 (Chrysler Realty Company Llc Dba Daimler Chrysler).
2 possible matches (shared part number, not a government interchangeability claim): 4320-01-056-8321, 5975-01-675-3826. Verify interchangeability with system specifications before substitution.
Key specifications for 1551002: Overall Height: 0.523 INCHES MINIMUM AND 0.533 INCHES MAXIMUM IN; FSC Application Data: GASOLINE ENGINE,NONAIRCRAFT; First Step Diameter: 0.685 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN; Third Step Diameter: 1.203 INCHES NOMINAL IN. 13 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.