PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

85510AValve,poppet,engine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2815-00-271-9549 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-271-9549 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-271-9549. Primary manufacturer part number: 85510A.
Features
  • Valve,poppet,engine — FSC 2815
  • Metallic Hardness Rating and Location: 44.0 ROCKWELL C MAXIMUM HEAD
  • Metallic Hardness Rating and Location: 37.0 ROCKWELL C MINIMUM HEAD
  • Chamfer Angle in Deg: 45.0
  • Seat Angle in Deg: 45.0
  • Chamfer Length: 0.0312 INCHES NOMINAL IN
  • Second Groove Diameter: 0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
  • Metallic Hardness Rating and Location: 44.0 ROCKWELL C MAXIMUM STEM
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 2815-00-271-9549, is classified within Federal Supply Class 2815 (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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-00-271-9549
Primary Part Number85510A
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusCANCELLED
Metallic Hardness Rating and Location44.0 ROCKWELL C MAXIMUM HEAD
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM HEAD
Chamfer Angle in Deg45.0
Seat Angle in Deg45.0
Chamfer Length0.0312 INCHES NOMINAL IN
Second Groove Diameter0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
Metallic Hardness Rating and Location44.0 ROCKWELL C MAXIMUM STEM
Stem Length6.4580 INCHES MINIMUM AND 6.4680 INCHES MAXIMUM IN
Third Groove Width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
Third Groove Diameter0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
Carbon Relief GrooveNOT INCLUDED
Head Height0.2500 INCHES MINIMUM AND 0.2800 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM STEM
Outside Diameter1.9980 INCHES MINIMUM AND 2.0020 INCHES MAXIMUM IN
Distance From Third Groove to Stem End0.6822 INCHES MINIMUM AND 0.6922 INCHES MAXIMUM IN
First Groove Width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
Distance From First Groove to Stem End0.3610 INCHES MINIMUM AND 0.3710 INCHES MAXIMUM IN
FSC Application DataDIESEL ENGINE
First Groove Diameter0.3900 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN
Second Groove Width0.0970 INCHES MINIMUM AND 0.1010 INCHES MAXIMUM IN
Metallic Hardness Rating and Location44.0 ROCKWELL C MAXIMUM SEAT FACE
Metallic Hardness Rating and Location47.0 ROCKWELL C NOMINAL TIP
Unable to DecodeUNABLE TO DECODE
Neck Radius0.4375 INCHES NOMINAL IN
Head StyleFLAT
Stem Diameter0.4970 INCHES MINIMUM AND 0.4990 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM SEAT FACE
Distance From Second Groove to Stem End0.5216 INCHES MINIMUM AND 0.5316 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
3110-00-100-6150 INTERCHANGEABLE
Ball,bearing
5325-00-202-2515 INTERCHANGEABLE
Grommet,nonmetallic
9320-00-618-0697 INTERCHANGEABLE
Rubber Sheet,cellular
5930-00-875-1059684-454-9002 INTERCHANGEABLE
Switch,rotary
Honeywell International Inc. Div Aerospace - Torrance
3110-01-246-7299 INTERCHANGEABLE
Bearing,ball,annular
4820-01-298-523033-45-1.0 INTERCHANGEABLE
Valve,globe
Velan Inc
4820-01-298-535433-45-1.0-4 INTERCHANGEABLE
Stem,fluid Valve
Velan Inc
4820-01-321-8101W03-2074B-02TS INTERCHANGEABLE
Valve,globe
Velan Inc
6515-01-490-51163345 INTERCHANGEABLE
Support,bow
Mizuho Orthopedic Systems, Inc. Dba Mizuho Orthopedic Systems Inc
6510-01-588-19633345 INTERCHANGEABLE
Film,skin Protective
Solventum Us Llc
Cross-Reference Index
Part NumberManufacturer
BB23405 Diamond Reo Truck Co (USA)
85510A Hercules Engine Co Inc (USA)
7086934 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
85510A PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
3345 Eaton Corp Spring Div (USA)
Related Parts
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
5325-00-202-2515INTERCHANGEABLE
GROMMET,NONMETALLIC
9320-00-618-0697INTERCHANGEABLE
RUBBER SHEET,CELLULAR
5930-00-875-1059INTERCHANGEABLE
SWITCH,ROTARY
684-454-9002
3110-01-246-7299INTERCHANGEABLE
BEARING,BALL,ANNULAR
4820-01-298-5230INTERCHANGEABLE
VALVE,GLOBE
33-45-1.0
4820-01-298-5354INTERCHANGEABLE
STEM,FLUID VALVE
33-45-1.0-4
4820-01-321-8101INTERCHANGEABLE
VALVE,GLOBE
W03-2074B-02TS
6515-01-490-5116INTERCHANGEABLE
SUPPORT,BOW
3345
6510-01-588-1963INTERCHANGEABLE
FILM,SKIN PROTECTIVE
3345

Frequently Asked Questions

What is NSN 2815-00-271-9549?

NSN 2815-00-271-9549 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-271-9549?

NSN 2815-00-271-9549 has 5 cross-referenced part numbers: BB23405 (Diamond Reo Truck Co), 85510A (Hercules Engine Co Inc), 7086934 (U S Army Tank Automotive Command Amsta-Im-Mm), 85510A (Brinkley Technology Group Llc Dba Hercules Manufacturing), 3345 (Eaton Corp Spring Div).

What NSN replaces 2815-00-271-9549?

There are 10 known substitutes for 2815-00-271-9549: 3110-00-100-6150, 5325-00-202-2515, 9320-00-618-0697 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 85510A?

Key specifications for 85510A: Metallic Hardness Rating and Location: 44.0 ROCKWELL C MAXIMUM HEAD; Metallic Hardness Rating and Location: 37.0 ROCKWELL C MINIMUM HEAD; Chamfer Angle in Deg: 45.0; Seat Angle in Deg: 45.0. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-00-271-9549 still in active supply?

NSN 2815-00-271-9549 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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