Commercial Alternative to WebFLIS Menu

Get a free trial and you'll have access to all of the features and data that LogiQuest has to offer.


Advanced Search Free LogiQuest Trial
Click here to request your free LogiQuest trial today.
Search Syntax Examples: (Searches are not case sensitive)
  Space separated terms like BALL BEARING find records containing both BALL AND BEARING
  Comma separated terms like BALL, BEARING find records containing either BALL OR BEARING
  Search terms can include multi-character() or single-charater(%) wildcards.

LogiQuest® Lite  A Commercial Alternative to WebFLIS

LogiQuest Lite provides instant access to information on millions of items in the Federal Supply Catalog.
National Stock Number(NSN): 4820-00-722-6523 (4820007226523, 007226523)

NIIN: 00-722-6523 Item Name: HEAD,SAFETY,PRESSURE RELIEF INC: 28139
FSC: 4820 Assignment Date: Jan-01-1963 CRIT: X IIG: 28139
ISC: 3 Date Standardized: Feb-07-1983 HMIC: N DODIC:
NSC: 0 Cancellation Date: PMIC: U FIIG: A512U0
ESD: Schedule B: 8481.90.9090 DEMIL: A DEMIL INT: 1
TIIC: 4 Originator: AX ADPEC: RPDMRC: 3
Advantages & Benefits to a full LogiQuest subscription:

With a full subscription to LogiQuest, you can affordably maintain readiness of US military equipment, view current and historical NSN pricing, find substitutable manufacturer’s part numbers, analyze weapon systems, view detailed vendor data, proactively address DMSMS and bid on government selling opportunities. Directly search 60+ databases from Navy, Army, Air Force, Marines, and commercial sources. Examples include APL, AMDF, Milspecs, CAGE, SAM, EPLS, QPL, QPD, and many more.

The full version of LogiQuest has information related to NSN 4820-00-722-6523 in each of the following databases.

 • PROCUREMENT - Procurement History
 • PID - Procurement Item Description
 • CHAIN - Consolidated History Alt. Item Numbers
 • ILS_INV - ILS Aviation Parts Availability
 • NNRF - Navy NIIN Reference File
 • WHEREUSED - Where NIIN Used
 • WPS - Weapons Systems
 • CAGE - Commercial And Government Entity
 • H6 - Federal Item Name Directory
 • FSC - Federal Supply Class
 • Schedule B - Export Commodity Classifications

Contact us to request your free trial of LogiQuest® today.

Learn More

To learn more about LogiQuest® click here.

Please note that LogiQuest Lite is an informational service only.  Clicking on the CAGE codes below will provide contact information for possible sources of supply.


  Contact an advertising partner for price and availability for this item.
Part Information
Part Number CAGE Company Status RN CC RN VC DAC RN AAC RN FC RN SC RN JC SADC HCC MSDS
2396220 99221 TAVCO, INC. C 5 9 5 AX 3 B
2396236-1 99221 TAVCO, INC. C 3 2 A AX
58A164B118 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER C 5 9 5 AX 3 B
58A164B118 30003 NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER C 5 2 1 KE 3 D
58A164B118-3 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER C 5 9 4 9Z B
58A164B18 30003 NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER C 5 2 1 KE 3 D
Management Information
MOEC SOS A A C R C S L C CIIC U P Q U S C Unit Price UI UICF MCD Action Date C/H
DN S9C Y 0 U 1 N $38.91 EA 9C----- Sep-01-1985 H
Phrase Information
MOEC PC Phrase QPA UOM OOU JTC
DN Z DISCNT USE 4820-01-130-6609 000
Technical Characteristics Information
MRC Requirement Statement Reply Statement
BKJW HEAD SIZE 0.812 INCHES
FEAT SPECIAL FEATURES STAINLESS STEEL PLUG; COPPER ALLOY RUPTURABLE DISK; 0.812 IN. HEX HEAD; 0.562-18 UNF 2A THD SIZE, 0.313 IN. THD LG; 0.900 IN. O/A LG; PRESSURE SET 5000.0 PSI
MOE Rules Information
MOE Rule Former MOER Effective AMC AMSC IMC IMCA Collaborators Receivers
YD01 Aug-01-2016 YD YD
ZC01 Apr-01-1991 ZC ZC
ZG01 Apr-01-1991 ZG ZG
ZR01 Mar-01-2003 ZR ZR
ZW01 Nov-01-2005 ZW ZW
Replacement & Obsolete Information
Replaced / Replacement NIIN Information
FSC NIIN ISC Originator NSC Std. Date Status
4820 01-130-6609 1 AX 0 Feb-25-1983 C
Freight Information

Description: PRESSURE REG/RED/RELIEF VALVES NOI Originating Activity: XX
Hazardous Material: National Motor Freight Classification Number: 127220
Less Than One Truckload: P NMFC Sub-Item: X
Uniform Freight Classification Number: 64490 Rail Variance Code:
Less Than One Carload: P Water Commodity Code: 594
Type of Cargo Code: Z Special Handling Code: 9
Air Commodity Special Handling Code: VZ Air Dimension Code: A
Integrity Code:
Contact us to request your free trial of LogiQuest® today.   Click here to learn more about LogiQuest®.
Company Logo
Phone Icon (978) 774-7999 x600 Email Icon 

© 2026 Copyright Terabase Corporation.  All rights reserved. ® LogiQuest is a registered trademark of Terabase Corporation. ® Terabase is a registered trademark of Terabase Corporation. Website design by Sperling Interactive.