PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81081Valve,poppet,engine

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 2815-00-214-3871 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-214-3871 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-214-3871. Primary manufacturer part number: 81081.
Features
  • Valve,poppet,engine — FSC 2815
  • Carbon Relief Groove: NOT INCLUDED
  • Stem Length: 5.5450 INCHES NOMINAL IN
  • Stem Diameter: 0.4360 INCHES NOMINAL IN
  • Material: STEEL OVERALL
  • Neck Radius: 0.7500 INCHES NOMINAL IN
  • Stem Style: GROOVED
  • Seat Angle in Deg: 45.0
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 2815-00-214-3871, 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 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-214-3871
Primary Part Number81081
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Carbon Relief GrooveNOT INCLUDED
Stem Length5.5450 INCHES NOMINAL IN
Stem Diameter0.4360 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Neck Radius0.7500 INCHES NOMINAL IN
Stem StyleGROOVED
Seat Angle in Deg45.0
Chamfer Angle in Deg45.0
Head StyleFLAT
Head Height0.2050 INCHES NOMINAL IN
Chamfer Length0.0250 INCHES NOMINAL IN
Groove Width0.1340 INCHES NOMINAL IN
Outside Diameter2.2480 INCHES NOMINAL IN
Distance From Groove to Stem End0.3120 INCHES NOMINAL IN
Groove Diameter0.3620 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
1650-00-128-91048108-3 INTERCHANGEABLE
Head,linear Actuating Cylinder
Goodrich Aerospace Canada Ltd
4720-01-195-86914274-44 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4820-01-221-201281081 INTERCHANGEABLE
Valve,check
Hein Werner Corp
6625-01-373-57643-60007 INTERCHANGEABLE
Ammeter
Data Check Dba Lavi Systems, Inc. Div Data Check
2510-01-437-467881081 INTERCHANGEABLE
Spring Assembly,leaf
Paccar Winch Inc Dba Paccar Winch Division
5306-01-470-044481081 PC 8 INTERCHANGEABLE
Bolt,machine
Olson Technologies
5306-01-470-044913770 INTERCHANGEABLE
Bolt,machine
Olson Technologies
4720-01-607-635581081 INTERCHANGEABLE
Hose,nonmetallic
Dayco Products Llc
Cross-Reference Index
Part NumberManufacturer
81081 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
81081 Hercules Engine Co Inc (USA)
81081AS Hercules Engine Co Inc (USA)
Related Parts
1650-00-128-9104INTERCHANGEABLE
HEAD,LINEAR ACTUATING CYLINDER
8108-3
4720-01-195-8691INTERCHANGEABLE
HOSE,PREFORMED
4274-44
4820-01-221-2012INTERCHANGEABLE
VALVE,CHECK
81081
6625-01-373-5764INTERCHANGEABLE
AMMETER
3-60007
2510-01-437-4678INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
81081
5306-01-470-0444INTERCHANGEABLE
BOLT,MACHINE
81081 PC 8
5306-01-470-0449INTERCHANGEABLE
BOLT,MACHINE
13770
4720-01-607-6355INTERCHANGEABLE
HOSE,NONMETALLIC
81081

Frequently Asked Questions

What is NSN 2815-00-214-3871?

NSN 2815-00-214-3871 is a Valve,poppet,engine, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-214-3871?

NSN 2815-00-214-3871 has 3 cross-referenced part numbers: 81081 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 81081 (Hercules Engine Co Inc), 81081AS (Hercules Engine Co Inc).

What NSN replaces 2815-00-214-3871?

There are 8 known substitutes for 2815-00-214-3871: 1650-00-128-9104, 4720-01-195-8691, 4820-01-221-2012 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81081?

Key specifications for 81081: Carbon Relief Groove: NOT INCLUDED; Stem Length: 5.5450 INCHES NOMINAL IN; Special Features: FURNISHED W/SPRING SEAT AND LOCKS; Stem Diameter: 0.4360 INCHES NOMINAL IN. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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