PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5237Valve,float

3d Instruments Llc. Dba Sierra Precision · NSN 4820-01-523-9631 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-523-9631 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-523-9631. Primary manufacturer part number: 5237.
Features
  • Valve,float — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: 3d Instruments Llc. Dba Sierra Precision
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,float, cataloged under National Stock Number 4820-01-523-9631, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is 3d Instruments Llc. Dba Sierra Precision. This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN4820-01-523-9631
Primary Part Number5237
Item NameValve,float
FSC / FSG4820 / 48 — No Item Name Available
Manufacturer3d Instruments Llc. Dba Sierra Precision
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4510-00-215-8019 INTERCHANGEABLE
Handle,faucet
5975-00-615-91695237 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5305-00-948-98005237 INTERCHANGEABLE
Screw,cap,socket Head
Air-Lock, Incorporated
5940-01-006-241110-304-3 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5360-01-008-7619 INTERCHANGEABLE
Spring,helical,extension
5975-01-297-66775237 INTERCHANGEABLE
Collar,cable
General Dynamics Mission Systems, Inc.
2920-01-314-8750016236T INTERCHANGEABLE
Regulator,engine Generator
Kovatch Corp.
5920-01-647-16115237 INTERCHANGEABLE
Fuse,enclosed Link
Navico Group Americas Llc Dba Power Products of Delaware, Llc Div Navico Group, Previously Power Products Llc
Cross-Reference Index
Part NumberManufacturer
5237 PRIMARY 3d Instruments Llc. Dba Sierra Precision (USA)
Related Parts
4510-00-215-8019INTERCHANGEABLE
HANDLE,FAUCET
5975-00-615-9169INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5237
5305-00-948-9800INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
5237
5940-01-006-2411INTERCHANGEABLE
TERMINAL,STUD
10-304-3
5360-01-008-7619INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
5975-01-297-6677INTERCHANGEABLE
COLLAR,CABLE
5237
2920-01-314-8750INTERCHANGEABLE
REGULATOR,ENGINE GENERATOR
016236T
5920-01-647-1611INTERCHANGEABLE
FUSE,ENCLOSED LINK
5237

Frequently Asked Questions

What is NSN 4820-01-523-9631?

NSN 4820-01-523-9631 is a Valve,float, manufactured by 3d Instruments Llc. Dba Sierra Precision, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-523-9631?

NSN 4820-01-523-9631 has 1 cross-referenced part number: 5237 (3d Instruments Llc. Dba Sierra Precision).

What NSN replaces 4820-01-523-9631?

There are 8 known substitutes for 4820-01-523-9631: 4510-00-215-8019, 5975-00-615-9169, 5305-00-948-9800 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5237?

Key specifications for 5237: End Item Identification: F-22 RAPTOR; Part Name Assigned by Controlling Agency: VALVE,TANK. 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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