PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40654Ring,valve

Spx Flow Us, Llc Dba Spx Valves & Controls · NSN 4820-00-839-6150 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-839-6150 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-839-6150. Primary manufacturer part number: 40654.
Features
  • Ring,valve — FSC 4820
  • General Characteristics Item Description: 1.750 IN. OD; 1.250 IN. ID; 0.355 IN. H IN
  • 2 verified cross-references
  • Primary manufacturer: Spx Flow Us, Llc Dba Spx Valves & Controls
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Ring,valve, cataloged under National Stock Number 4820-00-839-6150, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Spx Flow Us, Llc Dba Spx Valves & Controls. 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-839-6150
Primary Part Number40654
Item NameRing,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSpx Flow Us, Llc Dba Spx Valves & Controls
StatusACTIVE
General Characteristics Item Description1.750 IN. OD; 1.250 IN. ID; 0.355 IN. H IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-163-715310214710 INTERCHANGEABLE
Semiconductor Device,thyristor
Us Army Aviation and Missile Command
5310-00-282-95455308277 INTERCHANGEABLE
Nut,plain,hexagon
U S Army Tank Automotive Command Amsta-Im-Mm
3120-00-371-3135070001 INTERCHANGEABLE
Bearing,sleeve
Zf Active Safety and Electronics Us Llc Div Trw Commercial Steering Systems
5950-01-048-93114069091-01 INTERCHANGEABLE
Transformer,power Autotransforme
Power Paragon Inc Dba Air Borne Power Div Airborne Power
5330-01-052-5056 INTERCHANGEABLE
Packing,preformed
5305-01-360-09908T-8442 INTERCHANGEABLE
Screw,cap,socket Head
Caterpillar Inc Div Caterpillar Defense
3540-01-653-7641601-107 INTERCHANGEABLE
Stretching Machine,strapping,ele
Glenair, Inc.
Cross-Reference Index
Part NumberManufacturer
40654 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
601-105 Spx Flow Us, Llc Dba Spx Valves & Controls (USA)
Related Parts
5961-00-163-7153INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR
10214710
5310-00-282-9545INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5308277
3120-00-371-3135INTERCHANGEABLE
BEARING,SLEEVE
070001
5950-01-048-9311INTERCHANGEABLE
TRANSFORMER,POWER AUTOTRANSFORME
4069091-01
5330-01-052-5056INTERCHANGEABLE
PACKING,PREFORMED
5305-01-360-0990INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
8T-8442
3540-01-653-7641INTERCHANGEABLE
STRETCHING MACHINE,STRAPPING,ELE
601-107

Frequently Asked Questions

What is NSN 4820-00-839-6150?

NSN 4820-00-839-6150 is a Ring,valve, manufactured by Spx Flow Us, Llc Dba Spx Valves & Controls, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-839-6150?

NSN 4820-00-839-6150 has 2 cross-referenced part numbers: 40654 (Spx Flow Us, Llc Dba Spx Valves & Controls), 601-105 (Spx Flow Us, Llc Dba Spx Valves & Controls).

What NSN replaces 4820-00-839-6150?

There are 7 known substitutes for 4820-00-839-6150: 5961-00-163-7153, 5310-00-282-9545, 3120-00-371-3135 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40654?

Key specifications for 40654: General Characteristics Item Description: 1.750 IN. OD; 1.250 IN. ID; 0.355 IN. H IN. 1 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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