PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

235-1 1/2INValve,regulating,fluid Pressure

Atlas Valve Co · NSN 4820-00-248-0527 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-248-0527 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-248-0527. Primary manufacturer part number: 235-1 1/2IN.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Body Style: STRAIGHT THRU
  • End Connection Quantity: 2
  • Second End Relationship with First End: IDENTICAL
  • First End Connection Type: THREADED INTERNAL PIPE
  • Material: STEEL CORROSION RESISTING SEAT
  • First End Style Designator: PLAIN
  • Regulation Type: AUTOMATIC SINGLE STAGE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Seat construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-248-0527, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Atlas Valve Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-248-0527
Primary Part Number235-1 1/2IN
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAtlas Valve Co
StatusACTIVE
Body StyleSTRAIGHT THRU
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
First End Connection TypeTHREADED INTERNAL PIPE
MaterialSTEEL CORROSION RESISTING SEAT
First End Style DesignatorPLAIN
Regulation TypeAUTOMATIC SINGLE STAGE
Valve Loading MethodSPRING
Temp Rating250.0 FAHRENHEIT NOMINAL DEGF
Maximum Inlet Pressure RatingERR-060
Flow Control DeviceDISK
Media for Which DesignedOIL AND STEAM AND WATER AND AIR
FilterNOT INCLUDED
MaterialSTEEL CORROSION RESISTING STEM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5910-00-110-3184BAL1 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
American Shizuki Corp
1730-00-146-2034 INTERCHANGEABLE
Key and Streamer
3439-00-163-43462351 INTERCHANGEABLE
Solder,bismuth-Lead Alloy
Belmont Metals, Inc. Dba Belmont Metals Div Belmont Metals
5975-00-472-5124TC726A INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
5910-00-808-832307-02351-0A INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Ballantine Laboratories Inc
4130-01-022-13772351 INTERCHANGEABLE
Filter Element,air Conditioning
Supreme Supply Co Inc Dba Supreme Supply Co Inc
5930-01-099-5005 INTERCHANGEABLE
Switch,rotary
4140-01-132-6612 INTERCHANGEABLE
Fan,tubeaxial
5340-01-133-45332351 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5998-01-281-6942 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
235-1 1/2IN Atlas Valve Co (USA)
2351 Atlas Valve Co (USA)
235-1 Atlas Valve Co (USA)
Related Parts
5910-00-110-3184INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
BAL1
1730-00-146-2034INTERCHANGEABLE
KEY AND STREAMER
3439-00-163-4346INTERCHANGEABLE
SOLDER,BISMUTH-LEAD ALLOY
2351
5975-00-472-5124INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
TC726A
5910-00-808-8323INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
07-02351-0A
4130-01-022-1377INTERCHANGEABLE
FILTER ELEMENT,AIR CONDITIONING
2351
5930-01-099-5005INTERCHANGEABLE
SWITCH,ROTARY
4140-01-132-6612INTERCHANGEABLE
FAN,TUBEAXIAL
5340-01-133-4533INTERCHANGEABLE
STANDOFF,THREADED,SPACING
2351
5998-01-281-6942INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5315-01-301-8715INTERCHANGEABLE
PIN,REAR
2815-01-329-8553INTERCHANGEABLE
RING SET,PISTON
772351

Frequently Asked Questions

What is NSN 4820-00-248-0527?

NSN 4820-00-248-0527 is a Valve,regulating,fluid Pressure, manufactured by Atlas Valve Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-248-0527?

NSN 4820-00-248-0527 has 3 cross-referenced part numbers: 235-1 1/2IN (Atlas Valve Co), 2351 (Atlas Valve Co), 235-1 (Atlas Valve Co).

What NSN replaces 4820-00-248-0527?

There are 12 known substitutes for 4820-00-248-0527: 5910-00-110-3184, 1730-00-146-2034, 3439-00-163-4346 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 235-1 1/2IN?

Key specifications for 235-1 1/2IN: Body Style: STRAIGHT THRU; End Connection Quantity: 2; Second End Relationship with First End: IDENTICAL; Special Features: ADJUSTABLE CAM LEVER-OPERATED. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com