PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NB-25025-E 8-HH-325Valve,gate

Hunt Valve Company, Inc. · NSN 4810-01-218-7942 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-218-7942 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-218-7942. Primary manufacturer part number: NB-25025-E 8-HH-325.
Features
  • Valve,gate — FSC 4810
  • Flange Diameter: 12.375 INCHES IN
  • Bolt Hole Quantity: 14
  • Valve Operation Method: HYDRAULIC
  • Inlet Relationship with Outlet: IDENTICAL
  • Flange Face Design: PLAIN
  • Material: COPPER ALLOY BODY
  • Valve Size: 8.000 INCHES IN
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 4810-01-218-7942, 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 7 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-218-7942
Primary Part NumberNB-25025-E 8-HH-325
Item NameValve,gate
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHunt Valve Company, Inc.
StatusACTIVE
Flange Diameter12.375 INCHES IN
Bolt Hole Quantity14
Valve Operation MethodHYDRAULIC
Inlet Relationship with OutletIDENTICAL
Flange Face DesignPLAIN
MaterialCOPPER ALLOY BODY
Valve Size8.000 INCHES IN
MaterialNICKEL ALLOY STEM
MaterialCOPPER ALLOY DISK
Stem TypeRISING
Bonnet TypeOUTSIDE SCREW-YOKE
Face to Face Distance9.500 INCHES IN
Connection TypeFLANGE, ROUND W/HOLES
Bonnet Attachment MethodBOLTED
Furnished Items and Quantity1 HANDWHEEL
MaterialNICKEL ALLOY SEAT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-579-3158MS28775-008 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
5985-01-187-4701880018 INTERCHANGEABLE
Mast Section
United States Antenna Products, L.l.c.
Cross-Reference Index
Part NumberManufacturer
NB-25025-E 8-HH-325 Hunt Valve Company, Inc. (USA)
NB-25025-E 8-HH-325 Pima Valve, Llc (USA)
88001-8 Tri-Tec Manufacturing, Llc (USA)
88001-8 Tri-Tec Manufacturing Llc (USA)
88001-8/89010-8 Tri-Tec Manufacturing, Llc (USA)
9802-1 8IN Pima Valve, Llc (USA)
83001-8/81010-8 Tri-Tec Manufacturing, Llc (USA)
Related Parts
5331-00-579-3158INTERCHANGEABLE
O-RING
MS28775-008
5985-01-187-4701INTERCHANGEABLE
MAST SECTION
880018

Frequently Asked Questions

What is NSN 4810-01-218-7942?

NSN 4810-01-218-7942 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 4810-01-218-7942?

NSN 4810-01-218-7942 has 7 cross-referenced part numbers: NB-25025-E 8-HH-325 (Hunt Valve Company, Inc.), NB-25025-E 8-HH-325 (Pima Valve, Llc), 88001-8 (Tri-Tec Manufacturing, Llc), 88001-8 (Tri-Tec Manufacturing Llc), 88001-8/89010-8 (Tri-Tec Manufacturing, Llc) and 2 more.

What NSN replaces 4810-01-218-7942?

There are 2 known substitutes for 4810-01-218-7942: 5331-00-579-3158, 5985-01-187-4701. Verify interchangeability with system specifications before substitution.

What are the specifications of NB-25025-E 8-HH-325?

Key specifications for NB-25025-E 8-HH-325: Flange Diameter: 12.375 INCHES IN; Bolt Hole Quantity: 14; Valve Operation Method: HYDRAULIC; Inlet Relationship with Outlet: IDENTICAL. 17 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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