PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

BPR300-316 ITEM 44Wrench,valve Seat

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 5120-01-631-2385 · FSC 5120 · No Item Name Available
Verified by PartsTable
NSN 5120-01-631-2385 — this item is cataloged by the U.S. Government under National Stock Number 5120-01-631-2385. Primary manufacturer part number: BPR300-316 ITEM 44.
Features
  • Wrench,valve Seat — FSC 5120
  • General Characteristics Item Description: ALUMINUM; 2-3/4 IN. DIA X 6 IN. LG; 2.30 IN. MALE HEX WRENCHING END; 3/4 IN. DIA THRU HOLE FOR HANDLE IN
  • 2 verified cross-references
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Wrench,valve Seat, cataloged under National Stock Number 5120-01-631-2385, is classified within Federal Supply Class 5120 (No Item Name Available) of the Hand Tools group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5120-01-631-2385
Primary Part NumberBPR300-316 ITEM 44
Item NameWrench,valve Seat
FSC / FSG5120 / 51 — No Item Name Available
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
General Characteristics Item DescriptionALUMINUM; 2-3/4 IN. DIA X 6 IN. LG; 2.30 IN. MALE HEX WRENCHING END; 3/4 IN. DIA THRU HOLE FOR HANDLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5970-00-010-1596306-0940-000 INTERCHANGEABLE
Insulator,bushing
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5307-00-637-1408GM285369 INTERCHANGEABLE
Stud,shouldered
Abm Equipment, Llc
2940-00-949-424151874 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
4730-01-238-0645T-146 INTERCHANGEABLE
Nut,union
Ametek Inc
Cross-Reference Index
Part NumberManufacturer
T-146 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
BPR300-316 ITEM 44 PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
5970-00-010-1596INTERCHANGEABLE
INSULATOR,BUSHING
306-0940-000
5307-00-637-1408INTERCHANGEABLE
STUD,SHOULDERED
GM285369
2940-00-949-4241INTERCHANGEABLE
FILTER ELEMENT,FLUID
51874
4730-01-238-0645INTERCHANGEABLE
NUT,UNION
T-146

Frequently Asked Questions

What is NSN 5120-01-631-2385?

NSN 5120-01-631-2385 is a Wrench,valve Seat, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5120 (No Item Name Available). Status: active.

What are the part numbers for NSN 5120-01-631-2385?

NSN 5120-01-631-2385 has 2 cross-referenced part numbers: T-146 (Metrex Valve Corp. Dba Metrex Valve Corp), BPR300-316 ITEM 44 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 5120-01-631-2385?

There are 4 known substitutes for 5120-01-631-2385: 5970-00-010-1596, 5307-00-637-1408, 2940-00-949-4241 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of BPR300-316 ITEM 44?

Key specifications for BPR300-316 ITEM 44: End Item Identification: METREX VALVE CORPORATION 3 IN. NPS BACKPRESSURE REGULATING CONTROL VALVE IN; General Characteristics Item Description: ALUMINUM; 2-3/4 IN. DIA X 6 IN. LG; 2.30 IN. MALE HEX WRENCHING END; 3/4 IN. DIA THRU HOLE FOR HANDLE IN. 2 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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