NSN 4820-00-974-9643

Part Details | GASEOUS PRODUCTS PRESSURE EQUALIZING VALVE

4820-00-974-9643 A valve consisting of a single deadweight loaded disk, or two deadweight loaded disks each with a seperate seat. It is specifically designed for the relief of small pressure and vacuum conditions within a tank or other container to or from the atmosphere. The center of a single deadweight loaded disk may contain a spring loaded disk forming an additional seat or aperture. It may be spring loaded and/or equipped with a manual unloader on either the pressure or vacuum side. Exclude VALVE, VACUUM BREAKING.

Alternate Parts: TA30010018965, TA300-10018965, TA3001010R, TA300-10-10R, 10018965, 87715561, 8771556-1, 4331960, 433-1960, 10018965, 4820-00-974-9643, 00-974-9643, 4820009749643, 009749643

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
48JAN 01, 196200-974-964310958 ( VALVE, PRESSURE EQUALIZING, GASEOUS PRODUCTS )
REFERENCE DRAWINGS & PICTURES

SINGLE CONNECTION, STRAIGHT FLOW

GASKET SEAL COMPRESSION

GASKET SEAL COMPRESSION

GASKET SEAL COMPRESSION

GASKET SEAL COMPRESSION

Cross Reference | NSN 4820-00-974-9643
Part Number Cage Code Manufacturer
TA300-1001896508992AGM CONTAINER CONTROLS INC.DBA A G M
TA300-10-10R08992AGM CONTAINER CONTROLS INC.DBA A G M
100189651MFT5HI-TECH MACHINING & ENGINEERING,L.L.C.
8771556-149671LOCKHEED MARTIN CORPORATIONDBA LOCKHEED MARTIN
433-1960A486GNIMIKKEISTOKESKUS NCB FINLAND
1001896518876U S ARMY AVIATION AND MISSILECOMMAND
Technical Data | NSN 4820-00-974-9643
Characteristic Specifications
BODY STYLE SINGLE CONNECTION, STRAIGHT FLOW
BODY MATERIAL ALUMINUM ALLOY, QQ-A-225/6, ALLOY 2024, T4
OUTSIDE SURFACE TREATMENT ANODIZED AND OXIDE FILM, MIL-C-5541
SEAT MATERIAL PLASTIC, POLYTETRAFLUOROETHYLENE
FLOW CONTROL DEVICEW ANY ACCEPTABLE
END CONNECTION QUANTITY1
FIRST END CONNECTION TYPE THREADED EXTERNAL BOSS
FIRST END STYLE DESIGNATOR0 GASKET SEAL COMPRESSION
FIRST END THREAD DIRECTION RIGHT-HAND
MEDIA FOR WHICH DESIGNED AIR
OPENING PRESSURE SETTING2.5 POUNDS PER SQUARE INCH
VALVE VENTING DESIGN TYPE ATMOSPHERIC
VALVE RELIEF DESIGN TYPE PRESSURE AND VACUUM
DISK LOADING METHOD SPRING
FURNISHED ITEMS NUT AND WASHER