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PartsTable / COMPONENT / 21342 FIND NO 77
21342 FIND NO 77 ✓ 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 CONNECTING LINK,RIGID is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, special_features: INSIDE THD TO BE SELF-LOCKING, attachment_method: THREADED, end_item_identification: SEAWOLF CLASS SSN, valve_type_for_which_designed: DIRECTIONAL CONTROL LINEAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-416-1657, 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
21342 FIND NO 77
NSN: 4810-01-416-1657
FSC: 4810
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
special_featuresINSIDE THD TO BE SELF-LOCKING
attachment_methodTHREADED
end_item_identificationSEAWOLF CLASS SSN
valve_type_for_which_designedDIRECTIONAL CONTROL LINEAR
NSN4810-01-416-1657
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 21342 FIND NO 77 · 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 TYPE FOR WHICH DESIGNED: DIRECTIONAL CONTROL LINEAR
•
MATERIAL: STEEL CORROSION RESISTING
•
ATTACHMENT METHOD: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
VALVE TYPE FOR WHICH DESIGNEDDIRECTIONAL CONTROL LINEAR
MATERIALSTEEL CORROSION RESISTING
SPECIAL FEATURESINSIDE THD TO BE SELF-LOCKING
END ITEM IDENTIFICATIONSEAWOLF CLASS SSN
ATTACHMENT METHODTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
B94.2-1971 TABLE 5Interchangeable
interchangeable cross-reference
interchangeable
20710Interchangeable
interchangeable cross-reference
interchangeable
506.3125Interchangeable
interchangeable cross-reference
interchangeable
21342Interchangeable
interchangeable cross-reference
interchangeable
72MBS1Interchangeable
interchangeable cross-reference
interchangeable
21056AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21342 FIND NO 77?
21342 FIND NO 77 is a CONNECTING LINK,RIGID.
What parts can replace 21342 FIND NO 77?
There are 17 known substitutes for 21342 FIND NO 77: B94.2-1971 TABLE 5, 20710, 506.3125 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21342 FIND NO 77?
21342 FIND NO 77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4810-01-416-1657. 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