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31271 ✓ Verified by PartsTable
Lindy · 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 SENSITIVITY DISCS,DIAGNOSTIC is a Lindy industrial component. Key specifications include material: PAPER, case_style: SQUARE, seal_width: 0.469 INCHES NOMINAL IN, temp_rating: 300.0 FAHRENHEIT DEGF, overall_width: 0.281 INCHES IN, overall_length: 0.734 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 5330-00-107-1014, 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
31271
NSN: 5330-00-107-1014
FSC: 5330
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialPAPER
case_styleSQUARE
seal_width0.469 INCHES NOMINAL IN
temp_rating300.0 FAHRENHEIT DEGF
overall_width0.281 INCHES IN
overall_length0.734 INCHES IN
outside_diameter4.506 INCHES NOMINAL IN
special_featuresPARALLEL
attachment_methodCEMENTED
basic_shape_styleCRIMP
surface_treatmentTIN CONDUCTOR ACCOMMODATION SINGLE LAYER
material_thickness0.031 INCHES IN
NSN5330-00-107-1014
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 31271 MFR: Lindy ⚠ 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
•
SEALING ELEMENT STYLE: ANGULAR
•
TEMP RATING: 300.0 FAHRENHEIT DEGF
•
MATERIAL: STEEL CASE
•
OUTSIDE DIAMETER: 4.506 INCHES NOMINAL IN
•
SEAL WIDTH: 0.469 INCHES NOMINAL IN
•
CASE STYLE: SQUARE
•
SURFACE TREATMENT: PLASTIC CASE
TECHNICAL CHARACTERISTICS (FLIS)
SEALING ELEMENT STYLEANGULAR
TEMP RATING300.0 FAHRENHEIT DEGF
MATERIALSTEEL CASE
MATERIALRUBBER SEALING ELEMENT
OUTSIDE DIAMETER4.506 INCHES NOMINAL IN
SEAL WIDTH0.469 INCHES NOMINAL IN
CASE STYLESQUARE
SURFACE TREATMENTPLASTIC CASE
ACCOMMODATED SHAFT MAXIMUM RATED SPEED2000 FEET PER MINUTE FT
ATTACHMENT METHODCEMENTED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
455145Interchangeable
interchangeable cross-reference
interchangeable
800232Interchangeable
interchangeable cross-reference
interchangeable
31269Interchangeable
interchangeable cross-reference
interchangeable
7-31269Interchangeable
interchangeable cross-reference
interchangeable
0100100Interchangeable
interchangeable cross-reference
interchangeable
312-0069Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 31271?
31271 is a SENSITIVITY DISCS,DIAGNOSTIC manufactured by Lindy.
What parts can replace 31271?
There are 22 known substitutes for 31271: 455145, 800232, 31269 and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 31271?
31271 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-107-1014. 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