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Technical Data Sheet
PartsTable / COMPONENT / HZ688-3
HZ688-3 ✓ 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 LATCH,MORTISE is a the manufacturer industrial component. Key specifications include width: 1.7100 INCHES NOMINAL IN, length: 2.1610 INCHES NOMINAL IN, end_item_identification: AIRCRAFT, F-16. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-077-7620, 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
HZ688-3
NSN: 5340-01-077-7620
FSC: 5340
CAGE: 83014 — HARTWELL CORPORATION (USA)
SPECIFICATIONS
width1.7100 INCHES NOMINAL IN
length2.1610 INCHES NOMINAL IN
end_item_identificationAIRCRAFT, F-16
NSN5340-01-077-7620
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: HZ688-3 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
KEY FEATURES
•
LENGTH: 2.1610 INCHES NOMINAL IN
•
WIDTH: 1.7100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LENGTH2.1610 INCHES NOMINAL IN
WIDTH1.7100 INCHES NOMINAL IN
END ITEM IDENTIFICATIONAIRCRAFT, F-16
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
40615Upgraded Successor
successor cross-reference
successor
H22Interchangeable
interchangeable cross-reference
interchangeable
A1071Interchangeable
interchangeable cross-reference
interchangeable
16VP118-3Interchangeable
Same NIIN cross-reference
interchangeable
502030-5Interchangeable
Same NIIN cross-reference
interchangeable
H288-13Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HZ688-3?
HZ688-3 is a LATCH,MORTISE.
What parts can replace HZ688-3?
There are 7 known substitutes for HZ688-3: 40615, H22, A1071 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HZ688-3?
HZ688-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-077-7620. 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