PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211-103Valve Assembly

Bfgoodrich-Messier Inc · NSN 4820-01-664-8639 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-664-8639 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-664-8639. Primary manufacturer part number: 211-103.
Features
  • Valve Assembly — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Bfgoodrich-Messier Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve Assembly, cataloged under National Stock Number 4820-01-664-8639, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Bfgoodrich-Messier Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-664-8639
Primary Part Number211-103
Item NameValve Assembly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerBfgoodrich-Messier Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-925-0341GP825K1B INTERCHANGEABLE
Plug,tip
Northrop Grumman Systems Corporation
5935-01-230-0412 INTERCHANGEABLE
Plug,tip
5910-01-383-1669211103 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
Datron World Communications, Inc.
6130-01-412-7886P-HP-240-AA00-T-T-361-ACFGHM INTERCHANGEABLE
Power Supply
Aj's Power Source, Inc.
6150-01-668-0503 INTERCHANGEABLE
Wiring Harness
Cross-Reference Index
Part NumberManufacturer
211-103 PRIMARY Bfgoodrich-Messier Inc (USA)
Related Parts
5935-00-925-0341INTERCHANGEABLE
PLUG,TIP
GP825K1B
5935-01-230-0412INTERCHANGEABLE
PLUG,TIP
5910-01-383-1669INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
211103
6130-01-412-7886INTERCHANGEABLE
POWER SUPPLY
P-HP-240-AA00-T-T-361-ACFGHM
6150-01-668-0503INTERCHANGEABLE
WIRING HARNESS

Frequently Asked Questions

What is NSN 4820-01-664-8639?

NSN 4820-01-664-8639 is a Valve Assembly, manufactured by Bfgoodrich-Messier Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-664-8639?

NSN 4820-01-664-8639 has 1 cross-referenced part number: 211-103 (Bfgoodrich-Messier Inc).

What NSN replaces 4820-01-664-8639?

There are 5 known substitutes for 4820-01-664-8639: 5935-00-925-0341, 5935-01-230-0412, 5910-01-383-1669 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 211-103?

Key specifications for 211-103: End Item Identification: MRTT; Part Name Assigned by Controlling Agency: VALVE ASSEMBLY. 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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