PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N-NB25025-SMB00PN-6INValve,gate

Hunt Valve Company, Inc. · NSN 4810-01-171-6625 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-171-6625 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-171-6625. Primary manufacturer part number: N-NB25025-SMB00PN-6IN.
Features
  • Valve,gate — FSC 4810
  • Inlet Relationship with Outlet: IDENTICAL
  • Flange Face Design: PLAIN
  • Operating Pressure and Type: 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
  • Face to Face Distance: 8.000 INCHES IN
  • Material: COPPER ALLOY BODY
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Bonnet Attachment Method: BOLTED
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,gate, cataloged under National Stock Number 4810-01-171-6625, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hunt Valve Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN4810-01-171-6625
Primary Part NumberN-NB25025-SMB00PN-6IN
Item NameValve,gate
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Inlet Relationship with OutletIDENTICAL
Flange Face DesignPLAIN
Operating Pressure and Type250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
Face to Face Distance8.000 INCHES IN
MaterialCOPPER ALLOY BODY
Furnished Items and Quantity1 HANDWHEEL
Bonnet Attachment MethodBOLTED
Bonnet TypeOUTSIDE SCREW-YOKE
Bolt Hole Quantity8
Valve Size6.000 INCHES IN
Valve Operation MethodMANUAL
MaterialNICKEL ALLOY SEAT
MaterialNICKEL ALLOY STEM
Connection TypeFLANGE, ROUND W/HOLES
Flange Diameter10.125 INCHES IN
MaterialCOPPER ALLOY DISK
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5330-00-202-34185731 INTERCHANGEABLE
Packing Material
Grimes Aerospace Company
6640-00-264-50246640002645024 INTERCHANGEABLE
Clamp,utility,laboratory
J & H Berge, Inc. Dba Lab Mart, the Div the Labmart
5930-00-359-5500 INTERCHANGEABLE
Switch,toggle
2915-00-439-04625731 INTERCHANGEABLE
Seal
Meggitt North Hollywood Inc
5306-01-101-04035731 INTERCHANGEABLE
Bolt,shoulder
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5305-01-110-5083 INTERCHANGEABLE
Screw
3120-01-186-7612 INTERCHANGEABLE
Bushing,sleeve
4730-01-664-819257-3-1-SS INTERCHANGEABLE
Reducer,pipe
Admiral Valve Llc Dba Cpv Manufacturing
Cross-Reference Index
Part NumberManufacturer
N-NB25025-SMB00PN-6IN PRIMARY Hunt Valve Company, Inc. (USA)
5731 Hunt Valve Company, Inc. (USA)
803-2177917-6 M Naval Ship Systems Command (USA)
N-NB25025-SMB00PN-6IN Pima Valve, Llc (USA)
5731 Pima Valve, Llc (USA)
Related Parts
5330-00-202-3418INTERCHANGEABLE
PACKING MATERIAL
5731
6640-00-264-5024INTERCHANGEABLE
CLAMP,UTILITY,LABORATORY
6640002645024
5930-00-359-5500INTERCHANGEABLE
SWITCH,TOGGLE
2915-00-439-0462INTERCHANGEABLE
SEAL
5731
5306-01-101-0403INTERCHANGEABLE
BOLT,SHOULDER
5731
5305-01-110-5083INTERCHANGEABLE
SCREW
3120-01-186-7612INTERCHANGEABLE
BUSHING,SLEEVE
4730-01-664-8192INTERCHANGEABLE
REDUCER,PIPE
57-3-1-SS

Frequently Asked Questions

What is NSN 4810-01-171-6625?

NSN 4810-01-171-6625 is a Valve,gate, manufactured by Hunt Valve Company, Inc., classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-171-6625?

NSN 4810-01-171-6625 has 5 cross-referenced part numbers: N-NB25025-SMB00PN-6IN (Hunt Valve Company, Inc.), 5731 (Hunt Valve Company, Inc.), 803-2177917-6 M (Naval Ship Systems Command), N-NB25025-SMB00PN-6IN (Pima Valve, Llc), 5731 (Pima Valve, Llc).

What NSN replaces 4810-01-171-6625?

There are 8 known substitutes for 4810-01-171-6625: 5330-00-202-3418, 6640-00-264-5024, 5930-00-359-5500 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N-NB25025-SMB00PN-6IN?

Key specifications for N-NB25025-SMB00PN-6IN: Inlet Relationship with Outlet: IDENTICAL; Flange Face Design: PLAIN; Operating Pressure and Type: 250.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS; Face to Face Distance: 8.000 INCHES 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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