Search NATO Stock Numbers

4820014427779 (Valve, Safety Relief)

NSN: 4820-01-442-7779 • NIIN: 014427779

Overview

Item Name
VALVE, SAFETY RELIEF [Find More]
End Product
WASP CLASS LHD [Find More]
FSC / PSC
4820 - Valves, Nonpowered
NSG
48 - Valves
Unit
EA
DoD Standard Price
$21,823.55
Most Recent Price
$16,384.05 [See More]
NATO Stock Number (NSN) 4820-01-442-7779 for Valve, Safety Relief has supplier part numbers 20391-01-E-3150, 20391, 20391-01-E-3150. The standard DoD price for this item is $21,823.55, the most recent price is $16,384.05, and the historical price range is $5,858.00 - $16,384.05. The end product for this NSN is Wasp Class Lhd. Recent awards include SPE7MC14M4748, SPE7M013M1969, SPM7M011M3150P00001, SPM7M008M3977, SPM7M206M0734, SP076005M3438.
Approved Suppliers

DLA designated suppliers for 4820014427779 (4820-01-442-7779)
Pricing and Awardees

NSN 4820014427779 (4820-01-442-7779) historical government contracts and pricing

Multi-Award Supply Contracts

Automated Indefinite Delivery Contract (AIDC) awards supplying NSN 4820014427779 (4820-01-442-7779)

Characteristics

Government defined characteristics for 4820014427779 (4820-01-442-7779)

Hazardous and Environmental Characteristics
Hazardous Material Indicator (HMIC)
N
Hazardous Characteristics (HCC)
None
Electrostatic Discharge (ESD EMI)
None
Environmental Attributes (ENAC)
None
Product Characteristics
Code Requirement Description
AAAR Nominal pipe size accommodated 0.250 inches all ends
ADQU Flow control device Disk
ADSU Disk loading method Spring
AEHZ Maximum operating temp 150.0 fahrenheit single response
AGAV End item identification Wasp class lhd
AHNC Connection style Socket with brazing ring all ends
AQLR Valve operation method Automatic
AWLS Connection type Unthreaded internal pipe all ends
CQQF Operating pressure 3450.0 pounds per square inch (psi) maximum single response
CSDC Opening pressure setting 3150.0 pounds per square inch
MATT Material Nickel alloy body
MATT Material Nickel alloy seat
MATT Material Nickel alloy flow control device
MATT Material Nickel alloy stem
MDCL Material document and classification Astm b164 assn std single material response flow control device
MDCL Material document and classification Astm b164 assn std single material response stem
MDCL Material document and classification Astm b164 assn std single material response seat
MDCL Material document and classification Astm a494 assn std single material response body
STYL Style designator Angle
Additional Identifiers
FIIG
None
PINC
0005488
SOS
SMS
CRIT CD
X
II
1
RPD MRC
None
DMIL
A
DMIL INT CD
None
PMIC
A
IUID Indicator
Not Indicated
Schedule B
8481400000
ADP
None
NATO FMSN
None
FEDMALL
Yes
Major Organizational Entity (MOE)

MOE Rules for 4820014427779 (4820-01-442-7779)

Rule MOE AMC AMSC NIMSC IMC AAC DSOR
N9BC Navy 3 L None Z None
Government Organizations

Organizations that use 4820014427779 (4820-01-442-7779)

Item Description
Management Control 3B-----
Effective Date Oct. 1, 2025
Unit of Issue Each - A numeric quantity of one item of supply. Do not use if a more specific term applies, such as kit, set, assortment, assembly, group, sheet, plate, strip or length.
Unit Price $21823.55
Quantity Per Unit 1
Controlled Inventory Unclassified
Shelf Life Non-Deteriorative No Shelf-Life Applies
Acquisition Advice INSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item.
Packaging

Packaging Details for 4820014427779 (4820-01-442-7779)

FLIS Packaging
Unpackaged Item Weight
. lbs
Unpackaged Item Dimensions
None
Unit Pack Weight
.0 lbs
Unit Pack Dimensions
X X
Unit Pack Cube
.000
Level A
Q
Level B
Q
Level C
None
Distribution Standard System (DSS) Weight and Cube
DSS Weight
14.2900 lbs
DSS Cube
.637731 ft³
DIBBS Opportunities

Recent 4820014427779 (4820-01-442-7779) DLA opportunities put for bid on DIBBS

Federal Contract Opportunities

Recent 4820014427779 (4820-01-442-7779) federal solicitations

Reference Data As Of: 5/18/26