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91026 ✓ Verified by PartsTable
Bestway · 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 COIL,ELECTRICAL is a Bestway industrial component. Key specifications include material: STEEL COMP 1080, body_length: 2.250 INCHES NOMINAL IN, overall_width: 6.250 INCHES NOMINAL IN, rating_method: ELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING, turn_quantity: 1550 SINGLE COMPONENT SINGLE WINDING, aperture_width: 4.875 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 5330-00-250-0727, 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
91026
NSN: 5330-00-250-0727
FSC: 5330
CAGE: 71995 — DRESSER INDUSTRIES INC WAUKESHA ENGINE DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1080
body_length2.250 INCHES NOMINAL IN
overall_width6.250 INCHES NOMINAL IN
rating_methodELECTRICAL AND WINDING TURNS SINGLE COMPONENT SINGLE WINDING
turn_quantity1550 SINGLE COMPONENT SINGLE WINDING
aperture_width4.875 INCHES NOMINAL IN
end_similarityIDENTICAL
inclosure_typeFULLY INCLOSED
overall_length32.625 INCHES NOMINAL IN
aperture_length10.250 INCHES NOMINAL IN
first_end_styleUNTHREADED CROSS DRILLED
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
NSN5330-00-250-0727
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 91026 MFR: Bestway ⚠ 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
•
OUTSIDE CORNER RADIUS: 0.500 INCHES NOMINAL IN
•
INSIDE CORNER RADIUS: 0.125 INCHES NOMINAL IN
•
APERTURE WIDTH: 4.875 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: CORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: HH-C-576,TY 1A,CL 2 FED SPEC ALL MATERIAL RESPONSES OVERALL A
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE CORNER RADIUS0.500 INCHES NOMINAL IN
SPECIAL FEATURESDENSITY RATING 17 LB PER CU FT LBS
INSIDE CORNER RADIUS0.125 INCHES NOMINAL IN
APERTURE WIDTH4.875 INCHES NOMINAL IN
OVERALL LENGTH11.625 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.063 INCHES NOMINAL IN
MATERIALCORK AND RESIN NATURAL OR RESIN SYNTHETIC OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONHH-C-576,TY 1A,CL 2 FED SPEC ALL MATERIAL RESPONSES OVERALL A
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
STYLE DESIGNATORNON-CIRCULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
75-271Interchangeable
interchangeable cross-reference
interchangeable
247-1012P1Interchangeable
interchangeable cross-reference
interchangeable
ESA682058-10Interchangeable
interchangeable cross-reference
interchangeable
7598932Interchangeable
interchangeable cross-reference
interchangeable
37302Interchangeable
interchangeable cross-reference
interchangeable
7599512Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 91026?
91026 is a COIL,ELECTRICAL manufactured by Bestway.
What parts can replace 91026?
There are 14 known substitutes for 91026: 75-271, 247-1012P1, ESA682058-10 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 91026?
91026 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-250-0727. 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