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PartsTable / COMPONENT / A10777A-0514
A10777A-0514 ✓ 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 INTERCOMMUNICATION STATION is a the manufacturer industrial component. Key specifications include pitch_diameter: 7.750 INCHES NOMINAL IN, special_features: RECESS DIAMETER 1.22 INCH, 2EEAD IN, peripheral_diameter: 1.375 INCHES NOMINAL IN, center_hole_diameter: 0.750 INCHES NOMINAL IN, end_item_identification: WINCH,HAND OPERATED, nominal_outside_diameter: 8.120 INCHES 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 5330-01-699-5355, 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
A10777A-0514
NSN: 5330-01-699-5355
FSC: 5330
CAGE: 12437 — THERN INC (USA)
SPECIFICATIONS
pitch_diameter7.750 INCHES NOMINAL IN
special_featuresRECESS DIAMETER 1.22 INCH, 2EEAD IN
peripheral_diameter1.375 INCHES NOMINAL IN
center_hole_diameter0.750 INCHES NOMINAL IN
end_item_identificationWINCH,HAND OPERATED
nominal_outside_diameter8.120 INCHES IN
cross_section_outside_diameter0.313 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyGEAR,WORM
NSN5330-01-699-5355
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A10777A-0514 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
•
PERIPHERAL DIAMETER: 2.252 INCHES NOMINAL IN
•
CROSS SECTION OUTSIDE DIAMETER: 0.313 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.625 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL DIAMETER2.252 INCHES NOMINAL IN
CROSS SECTION OUTSIDE DIAMETER0.313 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYSEAL,OIL
END ITEM IDENTIFICATIONWINCH,HAND OPERATED
CENTER HOLE DIAMETER1.625 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
A9518Interchangeable
interchangeable cross-reference
interchangeable
A10777A-0514Interchangeable
interchangeable cross-reference
interchangeable
A1612Interchangeable
interchangeable cross-reference
interchangeable
C4401Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A10777A-0514?
A10777A-0514 is a INTERCOMMUNICATION STATION.
What parts can replace A10777A-0514?
There are 4 known substitutes for A10777A-0514: A9518, A10777A-0514, A1612 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A10777A-0514?
A10777A-0514 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-01-699-5355. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: July 2026