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Technical Data Sheet
PartsTable / COMPONENT / 2779127
2779127 ✓ 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: STEEL BODY, seat_angle: 37.0 DEGREES SECOND END, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END, style_designator: STRAIGHT THRU. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-439-3313, 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
2779127
NSN: 4820-01-439-3313
FSC: 4820
CAGE: 07443 — LANDOLL CORPORATION DBA LANDOLL CORPORATION DREXEL DIVISION DIV DREXEL (USA)
SPECIFICATIONS
materialSTEEL BODY
seat_angle37.0 DEGREES SECOND END
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_positionHORIZONTAL OR VERTICAL
disk_loading_methodSPRING
flow_control_deviceDISK
nominal_thread_size0.750 INCHES ALL ENDS IN
valve_operation_methodAUTOMATIC
NSN4820-01-439-3313
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 2779127 · 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
•
OPENING PRESSURE SETTING: 5.0 POUNDS PER SQUARE INCH LBS
•
THREAD CLASS: 2A ALL ENDS A
•
DISK LOADING METHOD: SPRING
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
•
VALVE OPERATION METHOD: AUTOMATIC
•
MATERIAL: STEEL BODY
•
CONNECTION TYPE: THREADED EXTERNAL BOSS ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
OPENING PRESSURE SETTING5.0 POUNDS PER SQUARE INCH LBS
THREAD CLASS2A ALL ENDS A
DISK LOADING METHODSPRING
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) FIRST END
END ITEM IDENTIFICATION3930-01-378-7497;FRON'T/SIDE LOADER FORKLIFT,CBD PT
VALVE OPERATION METHODAUTOMATIC
MATERIALSTEEL BODY
CONNECTION TYPETHREADED EXTERNAL BOSS ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MOUNTING POSITIONHORIZONTAL OR VERTICAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
608-1003-001Interchangeable
interchangeable cross-reference
interchangeable
608-1003-002Interchangeable
interchangeable cross-reference
interchangeable
6081003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2779127?
2779127 is a VALVE,CHECK.
What parts can replace 2779127?
There are 3 known substitutes for 2779127: 608-1003-001, 608-1003-002, 6081003. Substitute compatibility should be verified for your specific system.
What is the NSN for 2779127?
2779127 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-439-3313. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026