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PartsTable / COMPONENT / 81-131
81-131 ✓ Verified by PartsTable
Esselte · 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 BRACKET,VEHICULAR COMPONENTS is a Esselte industrial component. Key specifications include color: BLACK CORE WRAP OVERALL, material: RUBBER OVERALL, body_width: 1.015 INCHES NOMINAL IN, body_height: 0.500 INCHES NOMINAL IN, body_length: 1.600 INCHES NOMINAL IN, minor_width: 0.190 INCHES NOMINAL 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 5330-00-021-6166, 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
81-131
NSN: 5330-00-021-6166
FSC: 5330
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
colorBLACK CORE WRAP OVERALL
materialRUBBER OVERALL
body_width1.015 INCHES NOMINAL IN
body_height0.500 INCHES NOMINAL IN
body_length1.600 INCHES NOMINAL IN
minor_width0.190 INCHES NOMINAL IN
constructionSOLID
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
overall_length2.5 METERS
voltage_rating250.0 MAXIMUM PEAK OPERATING VOLTAGE ALL CONDUCTORS
inductance_typeFIXED
NSN5330-00-021-6166
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 81-131 MFR: Esselte ⚠ 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: 0.262 INCHES NOMINAL IN
•
MINOR WIDTH: 0.190 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.050 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.345 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
STYLE DESIGNATOR: CIRCULAR
•
APERTURE DIAMETER: 6.000 INCHES NOMINAL IN
•
CONSTRUCTION: SOLID
TECHNICAL CHARACTERISTICS (FLIS)
CROSS-SECTIONAL HEIGHT0.262 INCHES NOMINAL IN
MINOR WIDTH0.190 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.050 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.345 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
STYLE DESIGNATORCIRCULAR
APERTURE DIAMETER6.000 INCHES NOMINAL IN
CONSTRUCTIONSOLID
CROSS-SECTIONAL SHAPE STYLESPECIAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
132151-1Interchangeable
interchangeable cross-reference
interchangeable
81-131Interchangeable
interchangeable cross-reference
interchangeable
610Interchangeable
interchangeable cross-reference
interchangeable
26412Interchangeable
interchangeable cross-reference
interchangeable
553340Interchangeable
interchangeable cross-reference
interchangeable
H-B-771 TY3CL1STBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81-131?
81-131 is a BRACKET,VEHICULAR COMPONENTS manufactured by Esselte.
What parts can replace 81-131?
There are 10 known substitutes for 81-131: 132151-1, 81-131, 610 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81-131?
81-131 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-021-6166. 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