PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40107AValve,poppet,engine

Dana Off Highway Products, Llc · NSN 2805-00-528-6397 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-528-6397 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-528-6397. Primary manufacturer part number: 40107A.
Features
  • Valve,poppet,engine — FSC 2805
  • Slot Radius: 0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
  • Chamfer Length: 0.0312 INCHES NOMINAL IN
  • Stem Length: 4.9219 INCHES NOMINAL IN
  • Head Height: 0.1975 INCHES NOMINAL IN
  • Distance From Slot to Stem End: 0.1065 INCHES MINIMUM AND 0.1085 INCHES MAXIMUM IN
  • Stem Diameter: 0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
  • Metallic Hardness Rating and Location: 37.0 ROCKWELL C NOMINAL OVERALL
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 2805-00-528-6397, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2805-00-528-6397
Primary Part Number40107A
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerDana Off Highway Products, Llc
StatusCANCELLED
Slot Radius0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
Chamfer Length0.0312 INCHES NOMINAL IN
Stem Length4.9219 INCHES NOMINAL IN
Head Height0.1975 INCHES NOMINAL IN
Distance From Slot to Stem End0.1065 INCHES MINIMUM AND 0.1085 INCHES MAXIMUM IN
Stem Diameter0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C NOMINAL OVERALL
FSC Application DataGASOLINE ENGINE
Outside Diameter1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN
Slot Width0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM IN
Chamfer Angle in Deg45.0
Stem StyleSLOTTED
Seat Angle in Deg45.0
Neck Radius0.4375 INCHES NOMINAL IN
Slot Length0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
Carbon Relief GrooveNOT INCLUDED
Head StyleFLAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-155-6403 INTERCHANGEABLE
Bearing,ball,annular
9340-00-261-9950 INTERCHANGEABLE
Window,observation
4730-00-403-468901045008 INTERCHANGEABLE
Flange,pipe
Nibco Inc Chemtrol Div
5330-00-799-19504010-7 INTERCHANGEABLE
Retainer,packing
Hamilton Sundstrand Corporation
6930-01-078-1443 INTERCHANGEABLE
Speed Recorder Assy
4820-01-150-4901628-01 INTERCHANGEABLE
Seat,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-152-513640107-101 INTERCHANGEABLE
Valve,regulating,temperature
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4130-01-201-0389 INTERCHANGEABLE
Conversion Kit
4820-01-384-8872626-01 INTERCHANGEABLE
Disk,valve
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-435-739640107 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Circor Aerospace, Inc. Dba Circor Aerospace Inc
Cross-Reference Index
Part NumberManufacturer
40107A Clark Material Handling Company (USA)
40107 Hercules Engine Co Inc (USA)
40107A Hercules Engine Co Inc (USA)
40107A PRIMARY Dana Off Highway Products, Llc (USA)
VI-318 Bosch Automotive Service Solutions Inc. (USA)
40107 Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
40107A Clark Equipment Co (USA)
40107A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
VI-318 Spx Corp (USA)
Related Parts
3110-00-155-6403INTERCHANGEABLE
BEARING,BALL,ANNULAR
9340-00-261-9950INTERCHANGEABLE
WINDOW,OBSERVATION
4730-00-403-4689INTERCHANGEABLE
FLANGE,PIPE
01045008
5330-00-799-1950INTERCHANGEABLE
RETAINER,PACKING
4010-7
6930-01-078-1443INTERCHANGEABLE
SPEED RECORDER ASSY
4820-01-150-4901INTERCHANGEABLE
SEAT,VALVE
628-01
4820-01-152-5136INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
40107-101
4130-01-201-0389INTERCHANGEABLE
CONVERSION KIT
4820-01-384-8872INTERCHANGEABLE
DISK,VALVE
626-01
4820-01-435-7396INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
40107
5975-01-443-3054INTERCHANGEABLE
PANEL,BLANK
40107A
8465-01-565-4019INTERCHANGEABLE
HYDRATION SYSTEM
40107

Frequently Asked Questions

What is NSN 2805-00-528-6397?

NSN 2805-00-528-6397 is a Valve,poppet,engine, manufactured by Dana Off Highway Products, Llc, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-528-6397?

NSN 2805-00-528-6397 has 9 cross-referenced part numbers: 40107A (Clark Material Handling Company), 40107 (Hercules Engine Co Inc), 40107A (Hercules Engine Co Inc), 40107A (Dana Off Highway Products, Llc), VI-318 (Bosch Automotive Service Solutions Inc.) and 4 more.

What NSN replaces 2805-00-528-6397?

There are 12 known substitutes for 2805-00-528-6397: 3110-00-155-6403, 9340-00-261-9950, 4730-00-403-4689 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40107A?

Key specifications for 40107A: Slot Radius: 0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN; Chamfer Length: 0.0312 INCHES NOMINAL IN; Stem Length: 4.9219 INCHES NOMINAL IN; Head Height: 0.1975 INCHES NOMINAL IN. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-528-6397 still in active supply?

NSN 2805-00-528-6397 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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