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PartsTable / COMPONENT / A7727-4TG
A7727-4TG ✓ 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 CASTER,RIGID is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-260-6258, 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
A7727-4TG
NSN: 5340-01-260-6258
FSC: 5340
CAGE: 21672 — FKI INDUSTRIES INC DBA FAULTLESS CASTER DIVISION (USA)
SPECIFICATIONS
Part NumberA7727-4TG
NSN5340-01-260-6258
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A7727-4TG 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4089-1Interchangeable
interchangeable cross-reference
interchangeable
M15B-40891Interchangeable
interchangeable cross-reference
interchangeable
B40891Interchangeable
interchangeable cross-reference
interchangeable
FS-200M-SB-40891Interchangeable
interchangeable cross-reference
interchangeable
576R230H06Interchangeable
interchangeable cross-reference
interchangeable
13090159-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A7727-4TG?
A7727-4TG is a CASTER,RIGID.
What parts can replace A7727-4TG?
There are 9 known substitutes for A7727-4TG: 4089-1, M15B-40891, B40891 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A7727-4TG?
A7727-4TG is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-260-6258. 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