PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 62-521-B
62-521-B ✓ 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,LINEAR,DIRECTIONAL CONTROL. Key specifications include special_features: 6.700 IN. O/A LG IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-164-7211, 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
62-521-B
NSN: 4810-01-164-7211
FSC: 4810
CAGE: 94697 — MOOG INC (USA)
SPECIFICATIONS
special_features6.700 IN. O/A LG IN
NSN4810-01-164-7211
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 62-521-B · 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
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES6.700 IN. O/A LG IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
TR1089Interchangeable
interchangeable cross-reference
interchangeable
63501Interchangeable
interchangeable cross-reference
interchangeable
D797-DInterchangeable
interchangeable cross-reference
interchangeable
K63-501Interchangeable
interchangeable cross-reference
interchangeable
RK63501Interchangeable
interchangeable cross-reference
interchangeable
RK-63505Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 62-521-B?
62-521-B is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 62-521-B?
There are 13 known substitutes for 62-521-B: TR1089, 63501, D797-D and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 62-521-B?
62-521-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-164-7211. 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