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5427-6 — ADJUSTING DEVICE,BELT-CHAIN TENS

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5427-6: ADJUSTING DEVICE,BELT-CHAIN TENS.

ADJUSTING DEVICE,BELT-CHAIN TENS. Key specifications include material: RUBBER SYNTHETIC, cross-sectional_height: 0.062 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5331-00-256-9664, 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
5427-6
NSN: 5331-00-256-9664
NIINs: 002569664, 011446685, 016580511
FSC: 5331 — O-ring
CAGE: 83259 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV COMPOSITE SEALING SYSTEMS DIVISION (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5331-00-256-9664
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5427-6 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
•
CROSS-SECTIONAL HEIGHT: 0.062 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.062 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 4
Y125-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
1820-6LCD70Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
8489407Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
N90-82806Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5427-6?
5427-6 is a ADJUSTING DEVICE,BELT-CHAIN TENS.
What parts can replace 5427-6?
There are 4 known substitutes for 5427-6: Y125-6, 1820-6LCD70, 8489407 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5427-6?
5427-6 is cataloged in the U.S. Government catalog under NSN 5331-00-256-9664. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.