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PartsTable / COMPONENT / A7736-002-156
A7736-002-156 ✓ 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 criticality_code_justification: ZZZY, reference_number_differentiating_characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-075-7352, 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
A7736-002-156
NSN: 4820-01-075-7352
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVICP MECH; ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS.
NSN4820-01-075-7352
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A7736-002-156 · 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
•
THREAD CLASS: 2A SINGLE THREADED PORTION A
•
UNDER FLANGE HEIGHT: 1.065 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 303 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNEF SINGLE THREADED PORTION
•
STYLE DESIGNATOR: THREADED FLANGED
•
BODY STEPPED INSIDE DIAMETER: 1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM SECOND STEP IN
•
FLANGE SEAT TO DISK END HEIGHT: 0.378 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A SINGLE THREADED PORTION A
UNDER FLANGE HEIGHT1.065 INCHES NOMINAL IN
MATERIALSTEEL COMP 303 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNEF SINGLE THREADED PORTION
STYLE DESIGNATORTHREADED FLANGED
BODY STEPPED INSIDE DIAMETER1.000 INCHES MINIMUM AND 1.003 INCHES MAXIMUM SECOND STEP IN
FLANGE SEAT TO DISK END HEIGHT0.378 INCHES NOMINAL IN
SEATING SURFACE SHAPEANGULAR
NOMINAL THREAD SIZE1.500 INCHES SINGLE THREADED PORTION IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
20321Interchangeable
interchangeable cross-reference
interchangeable
PX1686Interchangeable
interchangeable cross-reference
interchangeable
235H45-5Interchangeable
interchangeable cross-reference
interchangeable
72-6970-954Interchangeable
interchangeable cross-reference
interchangeable
M430774-1Interchangeable
interchangeable cross-reference
interchangeable
SK66-2742Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7736-002-156?
A7736-002-156 is a SEAT,VALVE.
What parts can replace A7736-002-156?
There are 17 known substitutes for A7736-002-156: 20321, PX1686, 235H45-5 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7736-002-156?
A7736-002-156 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-075-7352. 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