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Technical Data Sheet
21710N PIECE 77 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The LEVER,LOCK-RELEASE is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE PUMP GOVERNOR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-314-1826, 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
21710N PIECE 77
NSN: 5340-01-314-1826
FSC: 5340
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
end_item_identificationVALVE PUMP GOVERNOR
NSN5340-01-314-1826
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21710N PIECE 77 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE PUMP GOVERNOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
5035-4Upgraded Successor
successor cross-reference
successor
0050350415Upgraded Successor
successor cross-reference
successor
K-500-CH-1349Interchangeable
interchangeable cross-reference
interchangeable
MS14314-3XInterchangeable
interchangeable cross-reference
interchangeable
W6506BInterchangeable
interchangeable cross-reference
interchangeable
SCB70522Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21710N PIECE 77?
21710N PIECE 77 is a LEVER,LOCK-RELEASE.
What parts can replace 21710N PIECE 77?
There are 10 known substitutes for 21710N PIECE 77: 5035-4, 0050350415, K-500-CH-1349 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 21710N PIECE 77?
21710N PIECE 77 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-314-1826. This indicates validated use in U.S. government and defense supply chains.
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