PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SR450B-580Valve,regulating,fluid Pressure

Victor Equipment Co · NSN 4820-00-293-3848 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-293-3848 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-293-3848. Primary manufacturer part number: SR450B-580.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • First End Style Designator: PLAIN
  • Media for Which Designed: AIR AND OXYGEN, GASEOUS AND GAS
  • Furnished Items: INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE
  • Body Style: STRAIGHT THRU
  • First End Connection Type: THREADED INTERNAL PIPE
  • Second End Relationship with First End: NOT IDENTICAL
  • Second End Style Designator: PLAIN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-293-3848, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Victor Equipment Co. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-293-3848
Primary Part NumberSR450B-580
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerVictor Equipment Co
StatusACTIVE
First End Style DesignatorPLAIN
Media for Which DesignedAIR AND OXYGEN, GASEOUS AND GAS
Furnished ItemsINLET PRESSURE GAGE AND OUTLET PRESSURE GAGE
Body StyleSTRAIGHT THRU
First End Connection TypeTHREADED INTERNAL PIPE
Second End Relationship with First EndNOT IDENTICAL
Second End Style DesignatorPLAIN
First End Thread DirectionRIGHT-HAND
Second End Connection TypeTHREADED EXTERNAL PIPE
Flow Control DeviceDIAPHRAGM
FilterINCLUDED
End Connection Quantity2
Regulation Type1ST STAGE MANUAL, 2ND STAGE AUTOMATIC
Temp Rating-40.0 FAHRENHEIT MINIMUM AND 165.0 FAHRENHEIT MAXIMUM DEGF
Maximum Inlet Pressure RatingERR-060
Manual Control MethodTEE HANDLE
Second End Thread DirectionRIGHT-HAND
Valve Loading MethodSPRING
MaterialCOPPER ALLOY BODY
Thread Size and Series/type Designator0.250-18 NPT SECOND END
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Thread Size and Series/type Designator0.250-18 NPT FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-137-751314854 INTERCHANGEABLE
Screw,machine
Ingersoll-Rand Company Dba Ingersoll-Rand
6250-00-224-4828FS20 INTERCHANGEABLE
Starter,fluorescent Lamp
First Light Lighting Systems, Inc.
5330-00-245-542417265A INTERCHANGEABLE
Gasket
Brinkley Technology Group Llc Dba Hercules Manufacturing
2530-00-430-946414854 INTERCHANGEABLE
Lock Plate,a,le Adj
Dressta North America Ltd
5940-00-688-87741485-4 INTERCHANGEABLE
Terminal,lug
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
1650-00-736-449514854 INTERCHANGEABLE
Parts Kit,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-01-046-8871 INTERCHANGEABLE
Drill,twist
6250-01-217-880514854 INTERCHANGEABLE
Base,lampholder
Aerosonic Llc
6632-01-586-7539 INTERCHANGEABLE
Cap,micro Sample Cup
5220-01-628-724214854 INTERCHANGEABLE
Gage,profile
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
18349 Digital Development Corp (USA)
SR450B-580 PRIMARY Victor Equipment Co (USA)
805-9488 Digital Development Corp (USA)
14854 Digital Development Corp (USA)
Related Parts
5305-00-137-7513INTERCHANGEABLE
SCREW,MACHINE
14854
6250-00-224-4828INTERCHANGEABLE
STARTER,FLUORESCENT LAMP
FS20
5330-00-245-5424INTERCHANGEABLE
GASKET
17265A
2530-00-430-9464INTERCHANGEABLE
LOCK PLATE,A,LE ADJ
14854
5940-00-688-8774INTERCHANGEABLE
TERMINAL,LUG
1485-4
1650-00-736-4495INTERCHANGEABLE
PARTS KIT,VALVE
14854
5133-01-046-8871INTERCHANGEABLE
DRILL,TWIST
6250-01-217-8805INTERCHANGEABLE
BASE,LAMPHOLDER
14854
6632-01-586-7539INTERCHANGEABLE
CAP,MICRO SAMPLE CUP
5220-01-628-7242INTERCHANGEABLE
GAGE,PROFILE
14854

Frequently Asked Questions

What is NSN 4820-00-293-3848?

NSN 4820-00-293-3848 is a Valve,regulating,fluid Pressure, manufactured by Victor Equipment Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-293-3848?

NSN 4820-00-293-3848 has 4 cross-referenced part numbers: 18349 (Digital Development Corp), SR450B-580 (Victor Equipment Co), 805-9488 (Digital Development Corp), 14854 (Digital Development Corp).

What NSN replaces 4820-00-293-3848?

There are 10 known substitutes for 4820-00-293-3848: 5305-00-137-7513, 6250-00-224-4828, 5330-00-245-5424 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SR450B-580?

Key specifications for SR450B-580: First End Style Designator: PLAIN; Media for Which Designed: AIR AND OXYGEN, GASEOUS AND GAS; Furnished Items: INLET PRESSURE GAGE AND OUTLET PRESSURE GAGE; Body Style: STRAIGHT THRU. 22 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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