PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3835318Valve,poppet,engine

General Motors Llc Dba General Motors Llc · NSN 2805-00-386-3660 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-386-3660 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-386-3660. Primary manufacturer part number: 3835318.
Features
  • Valve,poppet,engine — FSC 2805
  • Seat Angle in Deg: 30.0
  • Metallic Hardness Rating and Location: 42.0 ROCKWELL C NOMINAL TIP
  • FSC Application Data: GASOLINE ENGINE
  • Carbon Relief Groove: NOT INCLUDED
  • Neck Radius: 0.3440 INCHES NOMINAL IN
  • Groove Width: 0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
  • Distance From Groove to Stem End: 0.4649 INCHES MINIMUM AND 0.4749 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 2805-00-386-3660, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 10 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
NSN2805-00-386-3660
Primary Part Number3835318
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerGeneral Motors Llc Dba General Motors Llc
StatusCANCELLED
Seat Angle in Deg30.0
Metallic Hardness Rating and Location42.0 ROCKWELL C NOMINAL TIP
FSC Application DataGASOLINE ENGINE
Carbon Relief GrooveNOT INCLUDED
Neck Radius0.3440 INCHES NOMINAL IN
Groove Width0.0950 INCHES MINIMUM AND 0.1050 INCHES MAXIMUM IN
Distance From Groove to Stem End0.4649 INCHES MINIMUM AND 0.4749 INCHES MAXIMUM IN
Outside Diameter1.4640 INCHES MINIMUM AND 1.4740 INCHES MAXIMUM IN
Groove Diameter0.3000 INCHES MINIMUM AND 0.3060 INCHES MAXIMUM IN
Head Height0.1650 INCHES MINIMUM AND 0.1800 INCHES MAXIMUM IN
Stem Diameter0.3400 INCHES MINIMUM AND 0.3407 INCHES MAXIMUM IN
Head StyleINVERTED CONE
Unable to DecodeUNABLE TO DECODE
Chamfer Angle in Deg45.0
Chamfer Length0.0310 INCHES MINIMUM AND 0.1600 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5306-00-275-16597348605 INTERCHANGEABLE
Bolt,assembled Washer
U S Army Tank Automotive Command Amsta-Im-Mm
5945-00-356-7985 INTERCHANGEABLE
Relay,solid State
5961-00-463-8623 INTERCHANGEABLE
Semiconductor Device,diode
6650-01-078-3184 INTERCHANGEABLE
Spherometer
6680-01-306-062461200 INTERCHANGEABLE
Counter,rotating
Liquid Controls, L.l.c. Div Idex Corporation
6550-01-432-2751V1308 INTERCHANGEABLE
Test Panel,minimal Inhibitory Co
Biomerieux Inc
Cross-Reference Index
Part NumberManufacturer
1049 Allied Motor Parts Co (USA)
VE823 Spx Corp (USA)
839412 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
3835318 General Motors Corp (USA)
D1192 Dana Corp Engine Products Div (USA)
839412 General Motors Corp (USA)
S1640 Toledo Pickling & Steel Sales (USA)
839412 General Motors Llc Dba General Motors Llc (USA)
A964 Sterling Div Federal Mogul Corp (USA)
1079 Allied Motor Parts Co (USA)
V1308 Mcquay-Norris Inc Oem Div an Skf Industries Co
608497 General Motors Corp (USA)
3835318 PRIMARY General Motors Llc Dba General Motors Llc (USA)
D1225 Dana Corp Engine Products Div (USA)
3835318 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
VE823 Bosch Automotive Service Solutions Inc. (USA)
Related Parts
5306-00-275-1659INTERCHANGEABLE
BOLT,ASSEMBLED WASHER
7348605
5945-00-356-7985INTERCHANGEABLE
RELAY,SOLID STATE
5961-00-463-8623INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
6650-01-078-3184INTERCHANGEABLE
SPHEROMETER
6680-01-306-0624INTERCHANGEABLE
COUNTER,ROTATING
61200
6550-01-432-2751INTERCHANGEABLE
TEST PANEL,MINIMAL INHIBITORY CO
V1308

Frequently Asked Questions

What is NSN 2805-00-386-3660?

NSN 2805-00-386-3660 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 2805-00-386-3660?

NSN 2805-00-386-3660 has 16 cross-referenced part numbers: 1049 (Allied Motor Parts Co), VE823 (Spx Corp), 839412 (General Motors Corp Chevrolet Motor Div Special Products Dept), 3835318 (General Motors Corp), D1192 (Dana Corp Engine Products Div) and 11 more.

What NSN replaces 2805-00-386-3660?

There are 6 known substitutes for 2805-00-386-3660: 5306-00-275-1659, 5945-00-356-7985, 5961-00-463-8623 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3835318?

Key specifications for 3835318: Seat Angle in Deg: 30.0; Metallic Hardness Rating and Location: 42.0 ROCKWELL C NOMINAL TIP; FSC Application Data: GASOLINE ENGINE; Carbon Relief Groove: NOT INCLUDED. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-386-3660 still in active supply?

NSN 2805-00-386-3660 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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