PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20012AValve,poppet,engine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2805-00-517-9915 · FSC 2805 · No Item Name Available
Verified by PartsTable
NSN 2805-00-517-9915 — this item is cataloged by the U.S. Government under National Stock Number 2805-00-517-9915. Primary manufacturer part number: 20012A.
Features
  • Valve,poppet,engine — FSC 2805
  • Seat Angle in Deg: 45.0
  • Head Style: FLAT
  • Stem Style: SLOTTED
  • FSC Application Data: GASOLINE ENGINE
  • Metallic Hardness Rating and Location: 50.0 SHORE SCLEROSCOPE MINIMUM TIP
  • Distance From Slot to Stem End: 0.1460 INCHES NOMINAL IN
  • Outside Diameter: 1.7450 INCHES MINIMUM AND 1.7550 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 2805-00-517-9915, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 10 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
NSN2805-00-517-9915
Primary Part Number20012A
Item NameValve,poppet,engine
FSC / FSG2805 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Seat Angle in Deg45.0
Head StyleFLAT
Stem StyleSLOTTED
FSC Application DataGASOLINE ENGINE
Metallic Hardness Rating and Location50.0 SHORE SCLEROSCOPE MINIMUM TIP
Distance From Slot to Stem End0.1460 INCHES NOMINAL IN
Outside Diameter1.7450 INCHES MINIMUM AND 1.7550 INCHES MAXIMUM IN
Stem Diameter0.3720 INCHES MINIMUM AND 0.3730 INCHES MAXIMUM IN
Slot Radius0.0790 INCHES MINIMUM AND 0.0810 INCHES MAXIMUM IN
Carbon Relief GrooveNOT INCLUDED
Slot Width0.1580 INCHES MINIMUM AND 0.1620 INCHES MAXIMUM IN
Neck Radius0.4375 INCHES NOMINAL IN
Chamfer Angle in Deg45.0
Head Height0.2010 INCHES MINIMUM AND 0.2210 INCHES MAXIMUM IN
Slot Length0.3300 INCHES MINIMUM AND 0.3380 INCHES MAXIMUM IN
Stem Length5.1400 INCHES MINIMUM AND 5.1500 INCHES MAXIMUM IN
Chamfer Length0.0312 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5985-00-061-0230 INTERCHANGEABLE
Attenuator,variable
3455-00-224-373210305 INTERCHANGEABLE
Cutter,milling,end
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5310-00-226-5978 INTERCHANGEABLE
Washer,key
3455-00-232-9035717-002513 INTERCHANGEABLE
Cutter,milling,side
Doall Baltimore Company
3020-00-249-6210478660R91 INTERCHANGEABLE
Gear,bevel
Navistar Intl Corp Melrose Park Engine Plant Location /melrose Park/
5985-00-296-1295 INTERCHANGEABLE
Antenna
5961-00-560-4233 INTERCHANGEABLE
Transistor
5915-00-643-8401 INTERCHANGEABLE
Filter,radio Frequency Interfere
5950-00-645-7858S624 INTERCHANGEABLE
Coil,electrical
The Dewey Electronics Corporation Div Pitometer Log Division
2910-00-801-46790-14981 INTERCHANGEABLE
Carburetor,float
Zenith Fuel Systems Llc
Cross-Reference Index
Part NumberManufacturer
S624 Ertel Mfg Corp (USA)
V658 Mcquay-Norris Inc Oem Div an Skf Industries Co
S624 Eaton Corp Dba Eaton Aerospace Jackson (USA)
18310A Hercules Engine Co Inc (USA)
20012A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
A526 Sterling Div Federal Mogul Corp (USA)
VE165 Grand Rapids Sectional Equipment Co (USA)
E-101 Gould Inc Clevite Engine Parts Div (USA)
S665 Toledo Pickling & Steel Sales (USA)
20012A Hercules Engine Co Inc (USA)
F226-02-63854 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
Related Parts
5985-00-061-0230INTERCHANGEABLE
ATTENUATOR,VARIABLE
3455-00-224-3732INTERCHANGEABLE
CUTTER,MILLING,END
10305
5310-00-226-5978INTERCHANGEABLE
WASHER,KEY
3455-00-232-9035INTERCHANGEABLE
CUTTER,MILLING,SIDE
717-002513
3020-00-249-6210INTERCHANGEABLE
GEAR,BEVEL
478660R91
5985-00-296-1295INTERCHANGEABLE
ANTENNA
5961-00-560-4233INTERCHANGEABLE
TRANSISTOR
5915-00-643-8401INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
5950-00-645-7858INTERCHANGEABLE
COIL,ELECTRICAL
S624
2910-00-801-4679INTERCHANGEABLE
CARBURETOR,FLOAT
0-14981
6130-00-887-0594INTERCHANGEABLE
POWER SUPPLY
70950031-006
8110-01-031-8863INTERCHANGEABLE
DRUM,SHIPPING AND STORAGE
A528

Frequently Asked Questions

What is NSN 2805-00-517-9915?

NSN 2805-00-517-9915 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 2805-00-517-9915?

NSN 2805-00-517-9915 has 11 cross-referenced part numbers: S624 (Ertel Mfg Corp), V658 (Mcquay-Norris Inc Oem Div an Skf Industries Co), S624 (Eaton Corp Dba Eaton Aerospace Jackson), 18310A (Hercules Engine Co Inc), 20012A (Brinkley Technology Group Llc Dba Hercules Manufacturing) and 6 more.

What NSN replaces 2805-00-517-9915?

There are 12 known substitutes for 2805-00-517-9915: 5985-00-061-0230, 3455-00-224-3732, 5310-00-226-5978 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20012A?

Key specifications for 20012A: Seat Angle in Deg: 45.0; Head Style: FLAT; Stem Style: SLOTTED; FSC Application Data: GASOLINE ENGINE. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2805-00-517-9915 still in active supply?

NSN 2805-00-517-9915 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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