PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G-4982Valve,poppet,engine

Cooper Machinery Services Llc · NSN 2815-00-415-5701 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-415-5701 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-415-5701. Primary manufacturer part number: G-4982.
Features
  • Valve,poppet,engine — FSC 2815
  • Groove Width: 1.0000 INCHES NOMINAL IN
  • Head Height: 0.5937 INCHES NOMINAL IN
  • Stem Style: GROOVED
  • Seat Angle in Deg: 45.0
  • Chamfer Angle in Deg: 45.0
  • Material: STEEL OVERALL
  • Distance From Groove to Stem End: 0.5000 INCHES NOMINAL 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 2815-00-415-5701, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2815-00-415-5701
Primary Part NumberG-4982
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerCooper Machinery Services Llc
StatusCANCELLED
Groove Width1.0000 INCHES NOMINAL IN
Head Height0.5937 INCHES NOMINAL IN
Stem StyleGROOVED
Seat Angle in Deg45.0
Chamfer Angle in Deg45.0
MaterialSTEEL OVERALL
Distance From Groove to Stem End0.5000 INCHES NOMINAL IN
Groove Diameter0.6875 INCHES NOMINAL IN
Chamfer Length0.6250 INCHES NOMINAL IN
Stem Diameter0.8750 INCHES NOMINAL IN
Stem Length15.5000 INCHES NOMINAL IN
Outside Diameter4.8750 INCHES NOMINAL IN
Neck Radius1.0000 INCHES NOMINAL IN
Carbon Relief GrooveNOT INCLUDED
Head StyleFLAT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5120-00-222-4368 INTERCHANGEABLE
Pick,digging
5315-00-351-867567A102B20-2 INTERCHANGEABLE
Pin,quick Release
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
5945-00-642-198810446-10 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
4720-01-138-8884 INTERCHANGEABLE
Hose Assembly,nonmetallic
5940-01-573-9925 INTERCHANGEABLE
Terminal,lug
5325-01-617-4867EP-0011024 INTERCHANGEABLE
Ring,retaining
Independent Rough Terrain Center Llc
Cross-Reference Index
Part NumberManufacturer
7668-2 Cooper Machinery Services Llc (USA)
G-4982 PRIMARY Cooper Machinery Services Llc (USA)
72016PC31 Cooper Machinery Services Llc (USA)
71016PC26 Cooper Machinery Services Llc (USA)
7668 Cooper Machinery Services Llc (USA)
Related Parts
5120-00-222-4368INTERCHANGEABLE
PICK,DIGGING
5315-00-351-8675INTERCHANGEABLE
PIN,QUICK RELEASE
67A102B20-2
5945-00-642-1988INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
10446-10
4720-01-138-8884INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
5940-01-573-9925INTERCHANGEABLE
TERMINAL,LUG
5325-01-617-4867INTERCHANGEABLE
RING,RETAINING
EP-0011024

Frequently Asked Questions

What is NSN 2815-00-415-5701?

NSN 2815-00-415-5701 is a Valve,poppet,engine, manufactured by Cooper Machinery Services Llc, classified under FSC 2815 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2815-00-415-5701?

NSN 2815-00-415-5701 has 5 cross-referenced part numbers: 7668-2 (Cooper Machinery Services Llc), G-4982 (Cooper Machinery Services Llc), 72016PC31 (Cooper Machinery Services Llc), 71016PC26 (Cooper Machinery Services Llc), 7668 (Cooper Machinery Services Llc).

What NSN replaces 2815-00-415-5701?

There are 6 known substitutes for 2815-00-415-5701: 5120-00-222-4368, 5315-00-351-8675, 5945-00-642-1988 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G-4982?

Key specifications for G-4982: Groove Width: 1.0000 INCHES NOMINAL IN; Head Height: 0.5937 INCHES NOMINAL IN; Stem Style: GROOVED; Seat Angle in Deg: 45.0. 15 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2815-00-415-5701 still in active supply?

NSN 2815-00-415-5701 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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