PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3082PSeat,valve

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4810-00-177-8591 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-177-8591 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-177-8591. Primary manufacturer part number: 3082P.
Features
  • Seat,valve — FSC 4810
  • Taper Length: 0.312 INCHES NOMINAL IN
  • Flange Diameter: 3.562 INCHES NOMINAL IN
  • Seating Surface Shape: FLAT
  • Taper Minor Diameter: 0.875 INCHES NOMINAL IN
  • Style Designator: PLAIN FLANGED
  • Material: COPPER OVERALL
  • Body Outside Diameter: 3.250 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-177-8591, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-00-177-8591
Primary Part Number3082P
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Taper Length0.312 INCHES NOMINAL IN
Flange Diameter3.562 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Taper Minor Diameter0.875 INCHES NOMINAL IN
Style DesignatorPLAIN FLANGED
MaterialCOPPER OVERALL
Body Outside Diameter3.250 INCHES NOMINAL IN
FSC Application DataPUMP,CENTRIFUGAL
Seal Accommodation TypeRECESSED
Taper Major Diameter3.062 INCHES NOMINAL IN
Flange Seat to Disk End Height0.187 INCHES NOMINAL IN
Under Flange Height1.187 INCHES NOMINAL IN
Body Inside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-179-0968 INTERCHANGEABLE
Seal,plain Encased
5120-00-223-6948 INTERCHANGEABLE
Extractor,screw
5340-00-591-222450007 INTERCHANGEABLE
Boot,dust and Moisture Seal
Multi-Flex Seals Inc
2995-00-630-743450007 INTERCHANGEABLE
Parts Kit,actuator
Meggitt North Hollywood Inc
6750-00-728-007150007 INTERCHANGEABLE
Processing Mailer
Qualex Inc Kodalux Processing Services Div
3010-00-770-48345000-7 INTERCHANGEABLE
Insert,flexible Coupling
Raytheon Company Div Rmd Strategic
9650-01-372-93522505A INTERCHANGEABLE
Fusible Alloy
Belmont Metals, Inc. Dba Belmont Metals Div Belmont Metals
5325-01-429-492450-007W18 INTERCHANGEABLE
Stud,turnlock Fastener
Bell Textron Inc
4820-01-469-624550007-04 INTERCHANGEABLE
Regulator,thermostatic Temperatu
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
5325-01-584-424850-007A21C INTERCHANGEABLE
Stud,turnlock Fastener
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
3082P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3082P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
50007 Marine Engine Specialties Div of Mesco Tectonics Inc (USA)
Related Parts
5330-00-179-0968INTERCHANGEABLE
SEAL,PLAIN ENCASED
5120-00-223-6948INTERCHANGEABLE
EXTRACTOR,SCREW
5340-00-591-2224INTERCHANGEABLE
BOOT,DUST AND MOISTURE SEAL
50007
2995-00-630-7434INTERCHANGEABLE
PARTS KIT,ACTUATOR
50007
6750-00-728-0071INTERCHANGEABLE
PROCESSING MAILER
50007
3010-00-770-4834INTERCHANGEABLE
INSERT,FLEXIBLE COUPLING
5000-7
9650-01-372-9352INTERCHANGEABLE
FUSIBLE ALLOY
2505A
5325-01-429-4924INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007W18
4820-01-469-6245INTERCHANGEABLE
REGULATOR,THERMOSTATIC TEMPERATU
50007-04
5325-01-584-4248INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007A21C
4720-01-653-8455INTERCHANGEABLE
HOSE,METALLIC
5-0007
5325-01-686-6405INTERCHANGEABLE
STUD,TURNLOCK FASTENER
50-007W24C

Frequently Asked Questions

What is NSN 4810-00-177-8591?

NSN 4810-00-177-8591 is a Seat,valve, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-177-8591?

NSN 4810-00-177-8591 has 3 cross-referenced part numbers: 3082P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 3082P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 50007 (Marine Engine Specialties Div of Mesco Tectonics Inc).

What NSN replaces 4810-00-177-8591?

There are 12 known substitutes for 4810-00-177-8591: 5330-00-179-0968, 5120-00-223-6948, 5340-00-591-2224 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3082P?

Key specifications for 3082P: Taper Length: 0.312 INCHES NOMINAL IN; Flange Diameter: 3.562 INCHES NOMINAL IN; Seating Surface Shape: FLAT; Taper Minor Diameter: 0.875 INCHES NOMINAL IN. 13 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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