PartsTable
Technical Data Sheet
669419-1 ✓ 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

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: STEEL CORROSION RESISTING STEM, body_style: TEE, temp_rating: -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF, regulation_type: AUTOMATIC SINGLE STAGE, surface_treatment: ANODIZE OUTSIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-858-0477, 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
669419-1
NSN: 4810-00-858-0477
FSC: 4810
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialSTEEL CORROSION RESISTING STEM
body_styleTEE
temp_rating-65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF
regulation_typeAUTOMATIC SINGLE STAGE
surface_treatmentANODIZE OUTSIDE
valve_stem_designSINGLE SEAT
flow_control_devicePOPPET
valve_loading_methodSPRING
outlet_pressure_range2000.0 TO 2075.0 CAMERA MOUNT
first_end_thread_class3B
third_end_thread_class3B
NSN4810-00-858-0477
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: 669419-1 · 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
VALVE LOADING METHOD: SPRING
THIRD END STYLE DESIGNATOR: GASKET SEAL
REGULATION TYPE: AUTOMATIC SINGLE STAGE
FILTER: NOT INCLUDED
THIRD END THREAD CLASS: 3B
MATERIAL: STEEL CORROSION RESISTING STEM
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 7/16-20 UNF THIRD END
TECHNICAL CHARACTERISTICS (FLIS)
VALVE LOADING METHODSPRING
THIRD END STYLE DESIGNATORGASKET SEAL
REGULATION TYPEAUTOMATIC SINGLE STAGE
FILTERNOT INCLUDED
THIRD END THREAD CLASS3B
MATERIALSTEEL CORROSION RESISTING STEM
THREAD SIZE AND SERIES/TYPE DESIGNATOR7/16-20 UNF THIRD END
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF FIRST END
SURFACE TREATMENTANODIZE OUTSIDE
MATERIALRUBBER SYNTHETIC PACKING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
M76-25606Interchangeable
interchangeable cross-reference
interchangeable
A05219Interchangeable
interchangeable cross-reference
interchangeable
70A3210212-480Interchangeable
interchangeable cross-reference
interchangeable
SKX-231Interchangeable
interchangeable cross-reference
interchangeable
2Z7585-111Interchangeable
interchangeable cross-reference
interchangeable
400-436Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 669419-1?
669419-1 is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace 669419-1?
There are 21 known substitutes for 669419-1: M76-25606, A05219, 70A3210212-480 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 669419-1?
669419-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-00-858-0477. This indicates validated use in U.S. government and defense supply chains.
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