PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G400096-1Valve,safety Relief

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 4820-00-918-1593 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-918-1593 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-918-1593. Primary manufacturer part number: G400096-1.
Features
  • Valve,safety Relief — FSC 4820
  • Bonnet Type: INSIDE SPRING
  • Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
  • Flow Control Device: POPPET
  • Media for Which Designed: AIR FIRST RESPONSE
  • Mounting Facility: THREADED FASTENER
  • Features Provided: PRESSURE TIGHT OUTLET SIDE
  • Material: STEEL CORROSION RESISTING BODY
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-00-918-1593, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, 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
NSN4820-00-918-1593
Primary Part NumberG400096-1
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusACTIVE
Bonnet TypeINSIDE SPRING
Connection StyleEXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS
Flow Control DevicePOPPET
Media for Which DesignedAIR FIRST RESPONSE
Mounting FacilityTHREADED FASTENER
Features ProvidedPRESSURE TIGHT OUTLET SIDE
MaterialSTEEL CORROSION RESISTING BODY
Adjustable Pressure Range+10.0 TO 40.0 POUNDS PER SQUARE INCH LBS
Thread Class3A ALL ENDS A
Valve Operation MethodAUTOMATIC
Connection TypeTHREADED EXTERNAL BOSS ALL ENDS
Maximum Operating Temp165.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorUNF ALL ENDS
Thread DirectionRIGHT-HAND ALL ENDS
Bonnet Attachment MethodINTEGRAL
Media for Which DesignedNITROGEN, GASEOUS SECOND RESPONSE
MaterialSTEEL CORROSION RESISTING STEM
Nominal Outside Diameter Tube Accommodated0.375 INCHES ALL ENDS IN
Disk Loading MethodSPRING
Valve Discharge Flow Rate0.5 CUBIC FEET PER MINUTE
Style DesignatorANGLE
Nominal Thread Size0.562 INCHES ALL ENDS IN
Operating Pressure40.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialSTEEL CORROSION RESISTING SEAT
MaterialPLASTIC POLYTETRAFLUOROETHYLENE FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6650-00-098-6128 INTERCHANGEABLE
Magnifier
3110-00-144-8498059-9 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
2835-00-591-878912050 INTERCHANGEABLE
Shell Assy,combusti
Solar Turbines Incorporated Dba Solar Turbines Incorporated
6610-00-622-6227 INTERCHANGEABLE
Indicator,position
2815-00-971-143212050 INTERCHANGEABLE
Sleeve
Napco International Llc Dba Napco International Inc
5950-01-029-595390-216-90 INTERCHANGEABLE
Reactor
Ametek Programmable Power, Inc.
5120-01-045-348430657 INTERCHANGEABLE
Key,socket Head Screw
Wta Tool Llc
5930-01-155-7378 INTERCHANGEABLE
Switch,thermostatic
5360-01-170-306412050 INTERCHANGEABLE
Spring,helical,compression
Paccar Winch Inc Dba Paccar Winch Division
5910-01-180-1311585R775H01 INTERCHANGEABLE
Capacitor,fixed,plastic Dielectr
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
G400096-1 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
6051 PRIMARY Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA)
12050 Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA)
10933-6MA Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA)
Related Parts
6650-00-098-6128INTERCHANGEABLE
MAGNIFIER
3110-00-144-8498INTERCHANGEABLE
BEARING,BALL,ANNULAR
059-9
2835-00-591-8789INTERCHANGEABLE
SHELL ASSY,COMBUSTI
12050
6610-00-622-6227INTERCHANGEABLE
INDICATOR,POSITION
2815-00-971-1432INTERCHANGEABLE
SLEEVE
12050
5950-01-029-5953INTERCHANGEABLE
REACTOR
90-216-90
5120-01-045-3484INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
30657
5930-01-155-7378INTERCHANGEABLE
SWITCH,THERMOSTATIC
5360-01-170-3064INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
12050
5910-01-180-1311INTERCHANGEABLE
CAPACITOR,FIXED,PLASTIC DIELECTR
585R775H01
3040-01-319-0844INTERCHANGEABLE
LEVER,REMOTE CONTROL
12050
1670-01-544-7441INTERCHANGEABLE
PLATFORM ASSEMBLY
11-1-7591-1

Frequently Asked Questions

What is NSN 4820-00-918-1593?

NSN 4820-00-918-1593 is a Valve,safety Relief, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-918-1593?

NSN 4820-00-918-1593 has 4 cross-referenced part numbers: G400096-1 (L3harris Technologies, Inc Div Space & Airborne Systems), 6051 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 12050 (Snap-Tite Inc Dba Snap Tite Solenoid Valve Div), 10933-6MA (Snap-Tite Inc Dba Snap Tite Solenoid Valve Div).

What NSN replaces 4820-00-918-1593?

There are 12 known substitutes for 4820-00-918-1593: 6650-00-098-6128, 3110-00-144-8498, 2835-00-591-8789 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G400096-1?

Key specifications for G400096-1: Bonnet Type: INSIDE SPRING; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) ALL ENDS; Flow Control Device: POPPET; Media for Which Designed: AIR FIRST RESPONSE. 25 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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