PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9343Valve,relief,pressure and Temper

Pneudraulics, Inc. · NSN 4820-00-344-4511 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-344-4511 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-344-4511. Primary manufacturer part number: 9343.
Features
  • Valve,relief,pressure and Temper — FSC 4820
  • Body Style: STRAIGHT THRU
  • Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
  • End Connection Quantity: 2
  • First End Connection Type: THREADED INTERNAL TUBE
  • Valve Discharge Flow Rate: 20.0 GALLONS PER MINUTE
  • Second End Relationship with First End: IDENTICAL
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,relief,pressure and Temper, cataloged under National Stock Number 4820-00-344-4511, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Pneudraulics, Inc.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-344-4511
Primary Part Number9343
Item NameValve,relief,pressure and Temper
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerPneudraulics, Inc.
StatusACTIVE
Body StyleSTRAIGHT THRU
Temp Rating-65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF
End Connection Quantity2
First End Connection TypeTHREADED INTERNAL TUBE
Valve Discharge Flow Rate20.0 GALLONS PER MINUTE
Second End Relationship with First EndIDENTICAL
Media for Which DesignedHYDROCARBON FUELS AND OILS
Flow Control DevicePOPPET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3040-00-036-1677N59937 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
3110-00-100-6170MS19059-2430 INTERCHANGEABLE
Ball,bearing
American Society for Testing and Materials Dba Astm International
5950-00-232-80219-1119-1 INTERCHANGEABLE
Coil,electrical
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4930-00-942-5433CS4930-0005 INTERCHANGEABLE
Cover and Chain Assembly
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5330-01-088-2448934-3 INTERCHANGEABLE
Packing,preformed
Grimes Aerospace Company
6680-01-163-88109343-28 INTERCHANGEABLE
Modification Kit,measuring Instr
King Engineering Corporation Dba King-Gage Systems
5330-01-304-5689 INTERCHANGEABLE
Seal,plain
Cross-Reference Index
Part NumberManufacturer
4H90623-101A Lockheed Martin Corp (USA)
9343 PRIMARY Pneudraulics, Inc. (USA)
Related Parts
3040-00-036-1677INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
N59937
3110-00-100-6170INTERCHANGEABLE
BALL,BEARING
MS19059-2430
5950-00-232-8021INTERCHANGEABLE
COIL,ELECTRICAL
9-1119-1
4930-00-942-5433INTERCHANGEABLE
COVER AND CHAIN ASSEMBLY
CS4930-0005
5330-01-088-2448INTERCHANGEABLE
PACKING,PREFORMED
934-3
6680-01-163-8810INTERCHANGEABLE
MODIFICATION KIT,MEASURING INSTR
9343-28
5330-01-304-5689INTERCHANGEABLE
SEAL,PLAIN

Frequently Asked Questions

What is NSN 4820-00-344-4511?

NSN 4820-00-344-4511 is a Valve,relief,pressure and Temper, manufactured by Pneudraulics, Inc., classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-344-4511?

NSN 4820-00-344-4511 has 2 cross-referenced part numbers: 4H90623-101A (Lockheed Martin Corp), 9343 (Pneudraulics, Inc.).

What NSN replaces 4820-00-344-4511?

There are 7 known substitutes for 4820-00-344-4511: 3040-00-036-1677, 3110-00-100-6170, 5950-00-232-8021 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 9343?

Key specifications for 9343: Body Style: STRAIGHT THRU; Temp Rating: -65.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; End Connection Quantity: 2; First End Connection Type: THREADED INTERNAL TUBE. 8 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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