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← Manufacturers & Distributors

4820-01-374-1855

VALVE,SAFETY RELIEF

FSC
4820
Valves, Nonpowered
NIIN / country
013741855 · USA
Unit / status
EA · active
Catalog unit price
$3,639
DEMIL
B
Source of supply
SMS

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
CONNECTION TYPEFIRST END THREADED EXTERNAL PIPE
FLOW CONTROL DEVICEDISK
MATERIALBODY STEEL COMP 303
MAXIMUM OPERATING TEMPSINGLE RESPONSE FAHRENHEIT 250.0
NOMINAL THREAD SIZEFIRST END INCHES 0.375
OPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2500.0
THREAD DIRECTIONFIRST END RIGHT-HAND
THREAD SERIES DESIGNATORFIRST END NPT
VALVE OPERATION METHODAUTOMATIC

Manufacturers that have won this work

DIBBS award history plus USASpending rows whose CAGE matches SAM registration. CAGE codes open the DLA vendor lookup. Names without a CAGE match are shown as unverified.

27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory
7CNG1FDH DEFENSE AFTERMARKET, LLCCOMMERCE, CASAMnot yet in directory
61125ECHELON SUPPLY AND SERVICE, INC.LIVERPOOL, NYSAMnot yet in directory
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory
22841SCOTT INDUSTRIAL SYSTEMS, INCDAYTON, OHSAMnot yet in directory

Recent award / quote activity

27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Aug 5, 2026

$3,885 · qty 39
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · May 20, 2026

$5,664 · qty 8
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · May 6, 2026

$4,640 · qty 15
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Apr 9, 2026

$4,640 · qty 10
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jan 26, 2026

$4,640 · qty 11
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Mar 14, 2025

$2,679 · qty 59
7CNG1FDH DEFENSE AFTERMARKET, LLCCOMMERCE, CASAMnot yet in directory

DIBBS award history · Nov 20, 2024

$1,778 · qty 5
61125ECHELON SUPPLY AND SERVICE, INC.LIVERPOOL, NYSAMnot yet in directory

DIBBS award history · Dec 10, 2019

$957 · qty 31
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Dec 6, 2018

$671 · qty 25
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Feb 26, 2018

$734 · qty 18
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Oct 25, 2016

$606 · qty 21
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · May 16, 2015

$451 · qty 18
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Sep 24, 2013

$420 · qty 16
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Mar 25, 2013

$421 · qty 14
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Oct 9, 2012

$426 · qty 6
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Jun 14, 2012

$599 · qty 3
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Jan 30, 2012

$427 · qty 7
22841SCOTT INDUSTRIAL SYSTEMS, INCDAYTON, OHSAMnot yet in directory

DIBBS award history · Jan 9, 2012

$661 · qty 1
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · May 11, 2010

$401 · qty 7
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · May 11, 2010

$401 · qty 3

Open buys for this NSN

SPE7M226U0455

DIBBS · quotes by Sep 11, 2026 · UNRESTRICTED

Quote history

Recorded quotes from nsn_quote_history when present (vendor references / quote tracker). Interchangeable-parts tables are not in this career schema — skipped.

No quote history rows for this NSN.

Listed manufacturers

MCRL rows for this NSN — companies that make or supply the part.

53711NAVAL SEA SYSTEMS COMMANDWASHINGTON NAVY YARD, DCSAMnot yet in directory

PN 6819761

91816CIRCOR AEROSPACE, INC.CORONA, CASAMnot yet in directory

PN RV51-95