PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1WM3-70Stem,valve

Mark Controls Corp Pacific Valves Div · NSN 4810-00-877-3120 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-877-3120 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-877-3120. Primary manufacturer part number: 1WM3-70.
Features
  • Stem,valve — FSC 4810
  • 2 verified cross-references
  • Primary manufacturer: Mark Controls Corp Pacific Valves Div
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,valve, cataloged under National Stock Number 4810-00-877-3120, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Mark Controls Corp Pacific Valves Div. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,valve
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersMark Controls Corp Pacific Valves Div (CAGE 85578)
Technical Specifications
ParameterValue
NSN4810-00-877-3120
Primary Part Number1WM3-70
Item NameStem,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerMark Controls Corp Pacific Valves Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
6220-00-003-3342 INTERCHANGEABLE
Light,marker,clearance
3040-01-118-818315368 INTERCHANGEABLE
Piston
Manitowoc Engineering Co Division of the Manitowoc Co Inc
6520-01-220-5037123-7829 INTERCHANGEABLE
File Set,pulp Canal,dental
Henry Schein, Inc.
5310-01-408-045115368 INTERCHANGEABLE
Nut,plain,clinch
Grimes Aerospace Company
5950-01-422-0051856441-0001 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4310-01-442-3172 INTERCHANGEABLE
Spool,vacuum Pump
5306-01-503-79048310375 INTERCHANGEABLE
Bolt,3.4-10x3-3.4
Jlg Industries, Inc.
5340-01-518-3772 INTERCHANGEABLE
Bracket,mounting
Cross-Reference Index
Part NumberManufacturer
1WM3-70 PRIMARY Mark Controls Corp Pacific Valves Div (USA)
15368 Mark Controls Corp Pacific Valves Div (USA)
Related Parts
6220-00-003-3342INTERCHANGEABLE
LIGHT,MARKER,CLEARANCE
3040-01-118-8183INTERCHANGEABLE
PISTON
15368
6520-01-220-5037INTERCHANGEABLE
FILE SET,PULP CANAL,DENTAL
123-7829
5310-01-408-0451INTERCHANGEABLE
NUT,PLAIN,CLINCH
15368
5950-01-422-0051INTERCHANGEABLE
TRANSFORMER,POWER
856441-0001
4310-01-442-3172INTERCHANGEABLE
SPOOL,VACUUM PUMP
5306-01-503-7904INTERCHANGEABLE
BOLT,3.4-10X3-3.4
8310375
5340-01-518-3772INTERCHANGEABLE
BRACKET,MOUNTING

Frequently Asked Questions

What is NSN 4810-00-877-3120?

NSN 4810-00-877-3120 is a Stem,valve, manufactured by Mark Controls Corp Pacific Valves Div, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-877-3120?

NSN 4810-00-877-3120 has 2 cross-referenced part numbers: 1WM3-70 (Mark Controls Corp Pacific Valves Div), 15368 (Mark Controls Corp Pacific Valves Div).

What NSN replaces 4810-00-877-3120?

There are 8 known substitutes for 4810-00-877-3120: 6220-00-003-3342, 3040-01-118-8183, 6520-01-220-5037 and 5 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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