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PartsTable / COMPONENT / E34677
E34677 ✓ 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 SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2011 SEAT, overall_height: 1.115 INCHES MINIMUM AND 1.116 INCHES MAXIMUM IN, special_features: HEAT TREAT PER MIL-H-6875 TO R/C 56/58, surface_treatment: PASSIVATE SEAT, body_inside_diameter: 0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN, body_outside_diameter: 1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-400-3116, 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
E34677
NSN: 4820-01-400-3116
FSC: 4820
CAGE: 91816 — CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2011 SEAT
overall_height1.115 INCHES MINIMUM AND 1.116 INCHES MAXIMUM IN
special_featuresHEAT TREAT PER MIL-H-6875 TO R/C 56/58
surface_treatmentPASSIVATE SEAT
body_inside_diameter0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
body_outside_diameter1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
NSN4820-01-400-3116
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: E34677 · 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
•
MATERIAL: ALUMINUM ALLOY 2011 SEAT
•
SURFACE TREATMENT: PASSIVATE SEAT
•
BODY INSIDE DIAMETER: 0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
•
BODY OUTSIDE DIAMETER: 1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESHEAT TREAT PER MIL-H-6875 TO R/C 56/58
MATERIALALUMINUM ALLOY 2011 SEAT
SURFACE TREATMENTPASSIVATE SEAT
BODY INSIDE DIAMETER0.156 INCHES MINIMUM AND 0.157 INCHES MAXIMUM IN
OVERALL HEIGHT1.115 INCHES MINIMUM AND 1.116 INCHES MAXIMUM IN
BODY OUTSIDE DIAMETER1.555 INCHES MINIMUM AND 1.560 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
34677Interchangeable
interchangeable cross-reference
interchangeable
A-A-517Interchangeable
interchangeable cross-reference
interchangeable
43500Interchangeable
interchangeable cross-reference
interchangeable
20139Interchangeable
interchangeable cross-reference
interchangeable
20140Interchangeable
interchangeable cross-reference
interchangeable
20140 REV D SHEET 1 FIND 8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E34677?
E34677 is a SEAT,VALVE.
What parts can replace E34677?
There are 6 known substitutes for E34677: 34677, A-A-517, 43500 and 3 more. Substitute compatibility should be verified for your specific system.
Is E34677 still available?
E34677 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