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Technical Data Sheet
PartsTable / COMPONENT / AN6280-4
AN6280-4 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, thread_class: 3B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, special_features: 1.2 GPM RATED FLOW CAPACITY, style_designator: STRAIGHT THRU. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-433-3832, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
AN6280-4
NSN: 4820-00-433-3832
FSC: 4820
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
thread_class3B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
special_features1.2 GPM RATED FLOW CAPACITY
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.438 INCHES ALL ENDS IN
NSN4820-00-433-3832
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AN6280-4 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
DISK LOADING METHOD: SPRING
•
FLOW CONTROL DEVICE: POPPET
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
MATERIAL: ALUMINUM ALLOY BODY
•
STYLE DESIGNATOR: STRAIGHT THRU
•
TEST DATA DOCUMENT: 81349-MIL-V-5524 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NONDEFINITIVE SPEC/STD DATA: C STYLE AND 3000 CLASS
TECHNICAL CHARACTERISTICS (FLIS)
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEPOPPET
THREAD DIRECTIONRIGHT-HAND ALL ENDS
MATERIALALUMINUM ALLOY BODY
STYLE DESIGNATORSTRAIGHT THRU
TEST DATA DOCUMENT81349-MIL-V-5524 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NONDEFINITIVE SPEC/STD DATAC STYLE AND 3000 CLASS
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
CONNECTION TYPETHREADED INTERNAL BOSS ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
40264Interchangeable
interchangeable cross-reference
interchangeable
JAN2N3739Interchangeable
interchangeable cross-reference
interchangeable
330100Interchangeable
interchangeable cross-reference
interchangeable
0776-5000Interchangeable
interchangeable cross-reference
interchangeable
11608310Interchangeable
interchangeable cross-reference
interchangeable
3040PL0948058Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN6280-4?
AN6280-4 is a VALVE,CHECK.
What parts can replace AN6280-4?
There are 10 known substitutes for AN6280-4: 40264, JAN2N3739, 330100 and 7 more. Substitute compatibility should be verified for your specific system.
Is AN6280-4 still available?
AN6280-4 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026