PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MP-16-5AStem,fluid Valve

Imi Critical Engr Pbm Llc · NSN 4820-01-137-2640 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-137-2640 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-137-2640. Primary manufacturer part number: MP-16-5A.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Type for Which Designed: BALL
  • Valve Model Number for Which Designed: MP-16
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Imi Critical Engr Pbm Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-137-2640, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Imi Critical Engr Pbm Llc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-137-2640
Primary Part NumberMP-16-5A
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerImi Critical Engr Pbm Llc
StatusACTIVE
Valve Type for Which DesignedBALL
Valve Model Number for Which DesignedMP-16
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Size for Which Designed1.500 INCHES IN
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-01-129-018761201 INTERCHANGEABLE
Seal
Waterous Company
Cross-Reference Index
Part NumberManufacturer
MP-16-5A PRIMARY Imi Critical Engr Pbm Llc (USA)
Related Parts
5330-01-129-0187INTERCHANGEABLE
SEAL
61201

Frequently Asked Questions

What is NSN 4820-01-137-2640?

NSN 4820-01-137-2640 is a Stem,fluid Valve, manufactured by Imi Critical Engr Pbm Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-137-2640?

NSN 4820-01-137-2640 has 1 cross-referenced part number: MP-16-5A (Imi Critical Engr Pbm Llc).

What NSN replaces 4820-01-137-2640?

There is 1 known substitute for 4820-01-137-2640: 5330-01-129-0187. Verify interchangeability with system specifications before substitution.

What are the specifications of MP-16-5A?

Key specifications for MP-16-5A: Valve Type for Which Designed: BALL; Valve Model Number for Which Designed: MP-16; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 1.500 INCHES IN. 5 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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