PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

V-1787Valve,poppet,engine

Trw Inc Trw Intl Trade Government Sales Dept · NSN 2805-00-428-5218 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-428-5218 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-428-5218. Primary manufacturer part number: V-1787.
Features
  • Valve,poppet,engine — FSC 2805
  • Head Style: FLAT
  • Chamfer Angle in Deg: 45.0
  • Material Document and Classification: MS330 12204 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Minor Outside Diameter: 0.2969 INCHES NOMINAL IN
  • First Groove Diameter: 0.2735 INCHES MINIMUM AND 0.2795 INCHES MAXIMUM IN
  • Stem Style: DOUBLE GROOVED
  • Carbon Relief Groove: NOT INCLUDED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Mechanical power generation
  • Drive system operation
General Description

The Valve,poppet,engine, cataloged under National Stock Number 2805-00-428-5218, 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 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-428-5218
Primary Part NumberV-1787
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerTrw Inc Trw Intl Trade Government Sales Dept
StatusCANCELLED
Head StyleFLAT
Chamfer Angle in Deg45.0
Material Document and ClassificationMS330 12204 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Minor Outside Diameter0.2969 INCHES NOMINAL IN
First Groove Diameter0.2735 INCHES MINIMUM AND 0.2795 INCHES MAXIMUM IN
Stem StyleDOUBLE GROOVED
Carbon Relief GrooveNOT INCLUDED
Distance From Minor Diameter to Stem End0.6875 INCHES NOMINAL IN
Minor Diameter Length0.9687 INCHES NOMINAL IN
Stem Length5.7969 INCHES NOMINAL IN
Second Groove Width0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
Neck Radius0.3125 INCHES NOMINAL IN
Seat Angle in Deg45.0
Outside Diameter1.5260 INCHES MINIMUM AND 1.5360 INCHES MAXIMUM IN
First Groove Width0.0615 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM IN
Stem Diameter0.3400 INCHES MINIMUM AND 0.3410 INCHES MAXIMUM IN
Second Groove Diameter0.2735 INCHES MINIMUM AND 0.2795 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Head Height0.1406 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
3110-00-100-73332X7412 INTERCHANGEABLE
Bearing,roller,cylindrical
Napco International Llc Dba Napco International Inc
6210-00-359-60444937 INTERCHANGEABLE
Fixture,lighting
Abb Installation Products Inc
2805-00-447-1470S1037 INTERCHANGEABLE
Valve,poppet,engine
Eaton Corp Dba Eaton Aerospace Jackson
4720-01-037-17124937-00 INTERCHANGEABLE
Tubing,nonmetallic
Pentair Filtration Solutions, Llc
6515-01-175-3932 INTERCHANGEABLE
Intravenous Injection Set
6640-01-557-4256B1018-510 INTERCHANGEABLE
Computer and Monitor,microbial I
Beckman Coulter, Inc.
Cross-Reference Index
Part NumberManufacturer
V-1787 PRIMARY Trw Inc Trw Intl Trade Government Sales Dept (USA)
1054 Napasco International Inc (USA)
1115262 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
V-1197 PRIMARY Dana Corp Spicer Transmission Div (USA)
I-194 Gould Inc Industrial Marketing Div (USA)
1115260 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
4937 Eaton Corporation (USA)
1115260 Atwood Fence Co Inc (USA)
Related Parts
3110-00-100-7333INTERCHANGEABLE
BEARING,ROLLER,CYLINDRICAL
2X7412
6210-00-359-6044INTERCHANGEABLE
FIXTURE,LIGHTING
4937
2805-00-447-1470INTERCHANGEABLE
VALVE,POPPET,ENGINE
S1037
4720-01-037-1712INTERCHANGEABLE
TUBING,NONMETALLIC
4937-00
6515-01-175-3932INTERCHANGEABLE
INTRAVENOUS INJECTION SET
6640-01-557-4256INTERCHANGEABLE
COMPUTER AND MONITOR,MICROBIAL I
B1018-510

Frequently Asked Questions

What is NSN 2805-00-428-5218?

NSN 2805-00-428-5218 is a Valve,poppet,engine, manufactured by Trw Inc Trw Intl Trade Government Sales Dept, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-428-5218?

NSN 2805-00-428-5218 has 8 cross-referenced part numbers: V-1787 (Trw Inc Trw Intl Trade Government Sales Dept), 1054 (Napasco International Inc), 1115262 (Chrysler Realty Company Llc Dba Daimler Chrysler), V-1197 (Dana Corp Spicer Transmission Div), I-194 (Gould Inc Industrial Marketing Div) and 3 more.

What NSN replaces 2805-00-428-5218?

There are 6 known substitutes for 2805-00-428-5218: 3110-00-100-7333, 6210-00-359-6044, 2805-00-447-1470 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of V-1787?

Key specifications for V-1787: Head Style: FLAT; Chamfer Angle in Deg: 45.0; Material Document and Classification: MS330 12204 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Minor Outside Diameter: 0.2969 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-428-5218 still in active supply?

NSN 2805-00-428-5218 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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