PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7483Valve,poppet,engine

Norfolk Naval Shipyard · NSN 2815-00-393-5586 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-393-5586 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-393-5586. Primary manufacturer part number: 7483.
Features
  • Valve,poppet,engine — FSC 2815
  • Groove Width: 0.3125 INCHES NOMINAL IN
  • Stem Length: 6.4220 INCHES MINIMUM AND 6.4270 INCHES MAXIMUM IN
  • Seat Angle in Deg: 45.0
  • Metallic Hardness Rating and Location: 41.0 ROCKWELL C MAXIMUM STEM
  • Minor Outside Diameter: 0.3030 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
  • Metallic Hardness Rating and Location: 37.0 ROCKWELL C MINIMUM HEAD
  • Outside Diameter: 1.4420 INCHES MINIMUM AND 1.4460 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 2815-00-393-5586, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Norfolk Naval Shipyard. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2815-00-393-5586
Primary Part Number7483
Item NameValve,poppet,engine
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerNorfolk Naval Shipyard
StatusACTIVE
Groove Width0.3125 INCHES NOMINAL IN
Stem Length6.4220 INCHES MINIMUM AND 6.4270 INCHES MAXIMUM IN
Seat Angle in Deg45.0
Metallic Hardness Rating and Location41.0 ROCKWELL C MAXIMUM STEM
Minor Outside Diameter0.3030 INCHES MINIMUM AND 0.3090 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM HEAD
Outside Diameter1.4420 INCHES MINIMUM AND 1.4460 INCHES MAXIMUM IN
Head Height0.1310 INCHES MINIMUM AND 0.1410 INCHES MAXIMUM IN
Metallic Hardness Rating and Location49.0 ROCKWELL C MINIMUM TIP
Neck Radius0.2500 INCHES NOMINAL IN
Minor Diameter Length0.3120 INCHES NOMINAL IN
Head StyleFLAT
Distance From Minor Diameter to Stem End0.2344 INCHES NOMINAL IN
Groove Diameter0.3390 INCHES MINIMUM AND 0.3550 INCHES MAXIMUM IN
Distance From Groove to Stem End0.8125 INCHES NOMINAL IN
Chamfer Length0.0156 INCHES NOMINAL IN
Metallic Hardness Rating and Location41.0 ROCKWELL C MAXIMUM HEAD
Stem StyleTAPERED AND GROOVED
Stem Diameter0.3720 INCHES MINIMUM AND 0.3725 INCHES MAXIMUM IN
Metallic Hardness Rating and Location37.0 ROCKWELL C MINIMUM STEM
Carbon Relief GrooveNOT INCLUDED
Chamfer Angle in Deg30.0
Taper Angle in Deg30.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
3020-00-215-096874-8-3 INTERCHANGEABLE
Gear Cluster
Dana Corp Spicer Transmission Div
6515-00-290-19427483 INTERCHANGEABLE
Bag,ostomy
Hollister Inc
5975-00-296-6090256 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
2835-00-333-47307483 INTERCHANGEABLE
Dipstick and Filler Assembly
Solar Turbines Incorporated Dba Solar Turbines Incorporated
5915-01-029-3737 INTERCHANGEABLE
Filter,high Pass
4820-01-061-44107483 INTERCHANGEABLE
Body,valve
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
3030-01-147-641015485 INTERCHANGEABLE
Belt,v
Muviq Usa, Llc
5315-01-197-31457483 INTERCHANGEABLE
Pin,spring
Danuser Machine Co
4320-01-275-248119380-1 INTERCHANGEABLE
Sleeve,hub,impeller
Coffin Turbo Pump Inc
5340-01-449-46247483 INTERCHANGEABLE
Strike,electric
Hanchett Entry Systems
Cross-Reference Index
Part NumberManufacturer
7483 Norfolk Naval Shipyard (USA)
Related Parts
3020-00-215-0968INTERCHANGEABLE
GEAR CLUSTER
74-8-3
6515-00-290-1942INTERCHANGEABLE
BAG,OSTOMY
7483
5975-00-296-6090INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
256
2835-00-333-4730INTERCHANGEABLE
DIPSTICK AND FILLER ASSEMBLY
7483
5915-01-029-3737INTERCHANGEABLE
FILTER,HIGH PASS
4820-01-061-4410INTERCHANGEABLE
BODY,VALVE
7483
3030-01-147-6410INTERCHANGEABLE
BELT,V
15485
5315-01-197-3145INTERCHANGEABLE
PIN,SPRING
7483
4320-01-275-2481INTERCHANGEABLE
SLEEVE,HUB,IMPELLER
19380-1
5340-01-449-4624INTERCHANGEABLE
STRIKE,ELECTRIC
7483

Frequently Asked Questions

What is NSN 2815-00-393-5586?

NSN 2815-00-393-5586 is a Valve,poppet,engine, manufactured by Norfolk Naval Shipyard, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-393-5586?

NSN 2815-00-393-5586 has 1 cross-referenced part number: 7483 (Norfolk Naval Shipyard).

What NSN replaces 2815-00-393-5586?

There are 10 known substitutes for 2815-00-393-5586: 3020-00-215-0968, 6515-00-290-1942, 5975-00-296-6090 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7483?

Key specifications for 7483: Groove Width: 0.3125 INCHES NOMINAL IN; Stem Length: 6.4220 INCHES MINIMUM AND 6.4270 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0; Metallic Hardness Rating and Location: 41.0 ROCKWELL C MAXIMUM STEM. 23 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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