PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

38025AValve,poppet,engine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2805-00-516-9180 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-516-9180 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-516-9180. Primary manufacturer part number: 38025A.
Features
  • Valve,poppet,engine — FSC 2805
  • Carbon Relief Groove: NOT INCLUDED
  • Metallic Hardness Rating and Location: 55.0 ROCKWELL C MAXIMUM TIP
  • Metallic Hardness Rating and Location: 50.0 ROCKWELL C MINIMUM STEM
  • FSC Application Data: GASOLINE ENGINE
  • Chamfer Angle in Deg: 45.0
  • Stem Diameter: 0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
  • Distance From Groove to Stem End: 0.1720 INCHES MINIMUM AND 0.1740 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 2805-00-516-9180, is classified within Federal Supply Class 2805 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 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
NSN2805-00-516-9180
Primary Part Number38025A
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Carbon Relief GrooveNOT INCLUDED
Metallic Hardness Rating and Location55.0 ROCKWELL C MAXIMUM TIP
Metallic Hardness Rating and Location50.0 ROCKWELL C MINIMUM STEM
FSC Application DataGASOLINE ENGINE
Chamfer Angle in Deg45.0
Stem Diameter0.3095 INCHES MINIMUM AND 0.3105 INCHES MAXIMUM IN
Distance From Groove to Stem End0.1720 INCHES MINIMUM AND 0.1740 INCHES MAXIMUM IN
Groove Width0.0940 INCHES NOMINAL IN
Metallic Hardness Rating and Location55.0 ROCKWELL C MAXIMUM STEM
Groove Diameter0.1960 INCHES MINIMUM AND 0.2000 INCHES MAXIMUM IN
Neck Radius0.2500 INCHES NOMINAL IN
Chamfer Length0.0300 INCHES NOMINAL IN
Stem Length4.3700 INCHES MINIMUM AND 4.4900 INCHES MAXIMUM IN
Outside Diameter1.4790 INCHES MINIMUM AND 1.4890 INCHES MAXIMUM IN
Stem StyleGROOVED
Metallic Hardness Rating and Location50.0 ROCKWELL C MINIMUM TIP
Head Height0.1600 INCHES MINIMUM AND 0.1750 INCHES MAXIMUM IN
Head StyleFLAT
Seat Angle in Deg30.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5310-00-595-62113050-0229 INTERCHANGEABLE
Washer,flat
Keysight Technologies Inc
3110-00-846-4677SSY3CP37 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corp Div Timken Super Precision
5950-01-269-3280278-0450-040 INTERCHANGEABLE
Transformer,radio Frequency
Tecal Manufacturing, L.l.c
5120-01-426-7965 INTERCHANGEABLE
Collar Toe,cylinder
Cross-Reference Index
Part NumberManufacturer
29287A Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
38025A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
38025A Hercules Engine Co Inc (USA)
A595 Sterling Div Federal Mogul Corp (USA)
29287A Hercules Engine Co Inc (USA)
595 Sterling Div Federal Mogul Corp (USA)
Related Parts
5310-00-595-6211INTERCHANGEABLE
WASHER,FLAT
3050-0229
3110-00-846-4677INTERCHANGEABLE
BEARING,BALL,ANNULAR
SSY3CP37
5950-01-269-3280INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
278-0450-040
5120-01-426-7965INTERCHANGEABLE
COLLAR TOE,CYLINDER

Frequently Asked Questions

What is NSN 2805-00-516-9180?

NSN 2805-00-516-9180 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2805 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2805-00-516-9180?

NSN 2805-00-516-9180 has 6 cross-referenced part numbers: 29287A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 38025A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 38025A (Hercules Engine Co Inc), A595 (Sterling Div Federal Mogul Corp), 29287A (Hercules Engine Co Inc) and 1 more.

What NSN replaces 2805-00-516-9180?

There are 4 known substitutes for 2805-00-516-9180: 5310-00-595-6211, 3110-00-846-4677, 5950-01-269-3280 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 38025A?

Key specifications for 38025A: Carbon Relief Groove: NOT INCLUDED; Metallic Hardness Rating and Location: 55.0 ROCKWELL C MAXIMUM TIP; Metallic Hardness Rating and Location: 50.0 ROCKWELL C MINIMUM STEM; FSC Application Data: GASOLINE ENGINE. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-516-9180 still in active supply?

NSN 2805-00-516-9180 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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