PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3735316Valve,poppet,engine

General Motors Llc Dba General Motors Llc · NSN 2805-00-718-3957 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-718-3957 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-718-3957. Primary manufacturer part number: 3735316.
Features
  • Valve,poppet,engine — FSC 2805
  • Chamfer Length: 0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN
  • Chamfer Angle in Deg: 15.0
  • Outside Diameter: 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
  • Distance From First Groove to Stem End: 0.2890 INCHES NOMINAL IN
  • FSC Application Data: GASOLINE ENGINE
  • Metallic Hardness Rating and Location: 32.0 ROCKWELL C NOMINAL OVERALL
  • Second Groove Width: 0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
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 2805-00-718-3957, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is General Motors Llc Dba General Motors Llc. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-718-3957
Primary Part Number3735316
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Chamfer Length0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN
Chamfer Angle in Deg15.0
Outside Diameter1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN
Distance From First Groove to Stem End0.2890 INCHES NOMINAL IN
FSC Application DataGASOLINE ENGINE
Metallic Hardness Rating and Location32.0 ROCKWELL C NOMINAL OVERALL
Second Groove Width0.1050 INCHES MINIMUM AND 0.1150 INCHES MAXIMUM IN
Seat Angle in Deg46.0
Second Groove Diameter0.2970 INCHES MINIMUM AND 0.3030 INCHES MAXIMUM IN
Neck Radius0.3440 INCHES NOMINAL IN
First Groove Diameter0.2970 INCHES MINIMUM AND 0.3030 INCHES MAXIMUM IN
Head Height0.1860 INCHES MINIMUM AND 0.2010 INCHES MAXIMUM IN
Stem Diameter0.3400 INCHES MINIMUM AND 0.3407 INCHES MAXIMUM IN
Head StyleFLAT
Distance From Second Groove to Stem End0.5290 INCHES MINIMUM AND 0.5390 INCHES MAXIMUM IN
First Groove Width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
Carbon Relief GrooveNOT INCLUDED
Stem Length4.7120 INCHES MINIMUM AND 4.7470 INCHES MAXIMUM IN
Stem StyleDOUBLE GROOVED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
6145-00-220-90841896/10C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
3455-00-246-034811780 INTERCHANGEABLE
Cutter,milling,woodruff Keyseat
Niagara Cutter Inc
5310-01-018-7118149859 INTERCHANGEABLE
Nut,plain,castellated,hexagon
Curtiss-Wright Controls, Inc. Div Actuation Division
2805-01-035-83563989089 INTERCHANGEABLE
Valve,poppet,engine
General Motors Llc Dba General Motors Llc
Cross-Reference Index
Part NumberManufacturer
D-1679S Dana Corp Spicer Transmission Div (USA)
189610 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
3735316 PRIMARY General Motors Llc Dba General Motors Llc (USA)
3735316 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
1679S Napasco International Inc (USA)
B34528 Brunswick Corp Dba Mercury Marine Div Mercury Marine (USA)
E-255S Gould Inc Industrial Marketing Div (USA)
149859 Hyster-Yale Group, Inc. (USA)
Related Parts
6145-00-220-9084INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
1896/10C
3455-00-246-0348INTERCHANGEABLE
CUTTER,MILLING,WOODRUFF KEYSEAT
11780
5310-01-018-7118INTERCHANGEABLE
NUT,PLAIN,CASTELLATED,HEXAGON
149859
2805-01-035-8356INTERCHANGEABLE
VALVE,POPPET,ENGINE
3989089

Frequently Asked Questions

What is NSN 2805-00-718-3957?

NSN 2805-00-718-3957 is a Valve,poppet,engine, manufactured by General Motors Llc Dba General Motors Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-718-3957?

NSN 2805-00-718-3957 has 8 cross-referenced part numbers: D-1679S (Dana Corp Spicer Transmission Div), 189610 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling), 3735316 (General Motors Llc Dba General Motors Llc), 3735316 (General Motors Corp Chevrolet Motor Div Special Products Dept), 1679S (Napasco International Inc) and 3 more.

What NSN replaces 2805-00-718-3957?

There are 4 known substitutes for 2805-00-718-3957: 6145-00-220-9084, 3455-00-246-0348, 5310-01-018-7118 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3735316?

Key specifications for 3735316: Chamfer Length: 0.0020 INCHES MINIMUM AND 0.0100 INCHES MAXIMUM IN; Chamfer Angle in Deg: 15.0; Outside Diameter: 1.4950 INCHES MINIMUM AND 1.5050 INCHES MAXIMUM IN; Distance From First Groove to Stem End: 0.2890 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-718-3957 still in active supply?

NSN 2805-00-718-3957 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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