PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

RC40Rotor,engine Poppet Valve

Trw Inc Trw Intl Trade Government Sales Dept · NSN 2805-00-377-5129 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-377-5129 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-377-5129. Primary manufacturer part number: RC40.
Features
  • Rotor,engine Poppet Valve — FSC 2805
  • First Step Diameter: 0.657 INCHES NOMINAL IN
  • Tapered Bore Included Angle in Deg: 16 DEG
  • Style Designator: POSITIVE TYPE-TAPERED BORE
  • Second Step Length: 0.265 INCHES NOMINAL IN
  • Second Step Diameter: 1.010 INCHES NOMINAL IN
  • Rotation Direction: COUNTERCLOCKWISE
  • Bore Diameter: 0.455 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Rotor,engine Poppet Valve, cataloged under National Stock Number 2805-00-377-5129, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Trw Inc Trw Intl Trade Government Sales Dept. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2805-00-377-5129
Primary Part NumberRC40
Item NameRotor,engine Poppet Valve
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerTrw Inc Trw Intl Trade Government Sales Dept
StatusACTIVE
First Step Diameter0.657 INCHES NOMINAL IN
Tapered Bore Included Angle in Deg16 DEG
Style DesignatorPOSITIVE TYPE-TAPERED BORE
Second Step Length0.265 INCHES NOMINAL IN
Second Step Diameter1.010 INCHES NOMINAL IN
Rotation DirectionCOUNTERCLOCKWISE
Bore Diameter0.455 INCHES NOMINAL IN
First Step Length0.062 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3020-00-196-080340SS INTERCHANGEABLE
Chain,roller
Diamond Chain Co Div of Amsted Industries Inc
5905-00-771-2282 INTERCHANGEABLE
Resistor,fixed,film
3020-00-811-5364400-0448 INTERCHANGEABLE
Chain,roller
Continental Electronics Corp
2930-01-219-42986410941 INTERCHANGEABLE
Cap,filler Opening
General Motors Llc Dba General Motors Llc
3020-01-280-8981RC40 INTERCHANGEABLE
Chain,roller
International Surface Preparation Group Texas Inc. Div West Region
Cross-Reference Index
Part NumberManufacturer
RC40 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
Z120I3000 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Z120I03000 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
Related Parts
3020-00-196-0803INTERCHANGEABLE
CHAIN,ROLLER
40SS
5905-00-771-2282INTERCHANGEABLE
RESISTOR,FIXED,FILM
3020-00-811-5364INTERCHANGEABLE
CHAIN,ROLLER
400-0448
2930-01-219-4298INTERCHANGEABLE
CAP,FILLER OPENING
6410941
3020-01-280-8981INTERCHANGEABLE
CHAIN,ROLLER
RC40

Frequently Asked Questions

What is NSN 2805-00-377-5129?

NSN 2805-00-377-5129 is a Rotor,engine Poppet Valve, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: active.

What are the part numbers for NSN 2805-00-377-5129?

NSN 2805-00-377-5129 has 3 cross-referenced part numbers: RC40 (Trw Inc Trw Intl Trade Government Sales Dept), Z120I3000 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), Z120I03000 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc).

What NSN replaces 2805-00-377-5129?

There are 5 known substitutes for 2805-00-377-5129: 3020-00-196-0803, 5905-00-771-2282, 3020-00-811-5364 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of RC40?

Key specifications for RC40: First Step Diameter: 0.657 INCHES NOMINAL IN; Tapered Bore Included Angle in Deg: 16 DEG; Style Designator: POSITIVE TYPE-TAPERED BORE; Second Step Length: 0.265 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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