PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16-401MPump Unit,hydraulic

Metrex Valve Corp. Dba Metrex Valve Corp · NSN 4320-01-469-0820 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-469-0820 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-469-0820. Primary manufacturer part number: 16-401M.
Features
  • Pump Unit,hydraulic — FSC 4320
  • 4 verified cross-references
  • Primary manufacturer: Metrex Valve Corp. Dba Metrex Valve Corp
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Unit,hydraulic, cataloged under National Stock Number 4320-01-469-0820, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. This item has 4 commercial cross-references from 1 manufacturer, 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
NSN4320-01-469-0820
Primary Part Number16-401M
Item NamePump Unit,hydraulic
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerMetrex Valve Corp. Dba Metrex Valve Corp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6150-00-279-839816401 INTERCHANGEABLE
Lead,electrical
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
6530-00-480-8286Q-22 INTERCHANGEABLE
Light,diagnostic-Examination
Spectro-Uv, Llc
2520-00-703-98862004176 INTERCHANGEABLE
Plate Clutch High S
General Motors Llc Dba General Motors Llc
5305-00-922-8777MS35275-202 INTERCHANGEABLE
Screw,machine
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
4820-01-256-708191-16174-5 INTERCHANGEABLE
Seat-Cap Assembly
Dragon Valves Inc
5365-01-338-561816401 INTERCHANGEABLE
Spacer,sleeve
Aerosonic Llc
5310-01-377-623240506-9 ITEM 21 INTERCHANGEABLE
Nut,plain,hexagon
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
4820-01-468-462050M-334 INTERCHANGEABLE
Valve,check
Metrex Valve Corp. Dba Metrex Valve Corp
4810-01-468-792627M-238 INTERCHANGEABLE
Stem,fluid Valve
Metrex Valve Corp. Dba Metrex Valve Corp
4810-01-468-796445M-713 INTERCHANGEABLE
Piston,valve
Metrex Valve Corp. Dba Metrex Valve Corp
Cross-Reference Index
Part NumberManufacturer
16-401M PRIMARY Metrex Valve Corp. Dba Metrex Valve Corp (USA)
EA1000 ITEM 33 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
EA1000 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
16-401 Metrex Valve Corp. Dba Metrex Valve Corp (USA)
Related Parts
6150-00-279-8398INTERCHANGEABLE
LEAD,ELECTRICAL
16401
6530-00-480-8286INTERCHANGEABLE
LIGHT,DIAGNOSTIC-EXAMINATION
Q-22
2520-00-703-9886INTERCHANGEABLE
PLATE CLUTCH HIGH S
2004176
5305-00-922-8777INTERCHANGEABLE
SCREW,MACHINE
MS35275-202
4820-01-256-7081INTERCHANGEABLE
SEAT-CAP ASSEMBLY
91-16174-5
5365-01-338-5618INTERCHANGEABLE
SPACER,SLEEVE
16401
5310-01-377-6232INTERCHANGEABLE
NUT,PLAIN,HEXAGON
40506-9 ITEM 21
4820-01-468-4620INTERCHANGEABLE
VALVE,CHECK
50M-334
4810-01-468-7926INTERCHANGEABLE
STEM,FLUID VALVE
27M-238
4810-01-468-7964INTERCHANGEABLE
PISTON,VALVE
45M-713
3040-01-468-9601INTERCHANGEABLE
CYLINDER,ACTUATING,LINEAR
45M-707
4320-01-469-1068INTERCHANGEABLE
GOVERNOR,PUMP,PRESSURE REGULATIN
45M-722

Frequently Asked Questions

What is NSN 4320-01-469-0820?

NSN 4320-01-469-0820 is a Pump Unit,hydraulic, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-469-0820?

NSN 4320-01-469-0820 has 4 cross-referenced part numbers: 16-401M (Metrex Valve Corp. Dba Metrex Valve Corp), EA1000 ITEM 33 (Metrex Valve Corp. Dba Metrex Valve Corp), EA1000 (Metrex Valve Corp. Dba Metrex Valve Corp), 16-401 (Metrex Valve Corp. Dba Metrex Valve Corp).

What NSN replaces 4320-01-469-0820?

There are 12 known substitutes for 4320-01-469-0820: 6150-00-279-8398, 6530-00-480-8286, 2520-00-703-9886 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16-401M?

Key specifications for 16-401M: Part Name Assigned by Controlling Agency: MANUAL OVERRIDE PUMP; End Item Identification: TICONDEROGA CLASS CG (47); Special Features: NHA VALVE ELECTRICAL ACTUATING; ITEM DERIVED FROM P/N 16-401. 3 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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