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← Manufacturers & Distributors

4820-01-339-7822

VALVE,SAFETY RELIEF

FSC
4820
Valves, Nonpowered
NIIN / country
013397822 · USA
Unit / status
EA · active
Catalog unit price
$3,010
DEMIL
A
Source of supply
SMS

Characteristics

FLIS item characteristics from PUB LOG identification.

CharacteristicValue
ADJUSTABLE PRESSURE RANGEPOUNDS PER SQUARE INCH 680.0 TO 1210.0
CONNECTION TYPEFIRST END THREADED EXTERNAL TUBE
FLOW CONTROL DEVICEPOPPET
MATERIALBODY ALUMINUM ALLOY 2024
MAXIMUM OPERATING TEMPSINGLE RESPONSE FAHRENHEIT 275.0
MEDIA FOR WHICH DESIGNEDFIFTH RESPONSE WATER, FRESH
NOMINAL THREAD SIZEALL ENDS INCHES 0.438
OPENING PRESSURE SETTINGPOUNDS PER SQUARE INCH 1150.0
OPERATING PRESSURESINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 2500.0
SEAT ANGLEFIRST END DEGREES 37.0
THREAD CLASS3A
THREAD DIRECTIONALL ENDS RIGHT-HAND
THREAD QUANTITY PER INCH20
THREAD SERIES DESIGNATORSECOND END UNF
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
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

Recent award / quote activity

27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jul 9, 2026

$4,059 · qty 19
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Feb 5, 2026

$3,247 · qty 86
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Aug 19, 2024

$2,187 · qty 45
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jul 17, 2024

$2,126 · qty 41
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Dec 4, 2023

$2,204 · qty 24
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Sep 22, 2023

$2,004 · qty 40
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jul 25, 2023

$1,699 · qty 64
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Feb 2, 2022

$1,373 · qty 12
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jul 19, 2021

$1,184 · qty 15
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Feb 19, 2021

$1,184 · qty 18
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Oct 27, 2020

$975 · qty 31
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Oct 9, 2020

$975 · qty 16
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Apr 1, 2020

$975 · qty 43
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Feb 26, 2020

$997 · qty 19
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · May 6, 2019

$725 · qty 18
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Jul 18, 2018

$695 · qty 27
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · May 11, 2018

$695 · qty 28
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Oct 6, 2017

$424 · qty 31
27541TRANSAERO, INC.MELVILLE, NYSAMnot yet in directory

DIBBS award history · Apr 5, 2017

$408 · qty 22
2U435DELA TECHNOLOGY CORPORATIONROCKVILLE, MDSAMnot yet in directory

DIBBS award history · Oct 13, 2016

$311 · qty 14

Open buys for this NSN

SPE7M226U0438

DIBBS · quotes by Sep 11, 2026 · TOTAL SMALL BUSINESS

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.

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

PN 5159A-4TB-1150