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Technical Data Sheet
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25086 ✓ 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 COUPLER,TRANSMISSION LINE is a the manufacturer industrial component. Key specifications include material: PAPER OVERALL, unit_type: TRANSMISSION LINE, body_width: 3.000 INCHES NOMINAL IN, body_height: 5.500 INCHES NOMINAL IN, body_length: 6.250 INCHES NOMINAL IN, hole_diameter: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-298-5681, 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
25086
NSN: 5330-00-298-5681
FSC: 5330
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
materialPAPER OVERALL
unit_typeTRANSMISSION LINE
body_width3.000 INCHES NOMINAL IN
body_height5.500 INCHES NOMINAL IN
body_length6.250 INCHES NOMINAL IN
hole_diameter0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width2.000 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM SINGLE COMPONENT
special_features1ST SECONDARY A 3PHASE ALTERNATOR8.5VDC 10A,2ND 17VDC 50MA,3RD 17VDC 4A,4TH 17VDC 0.5A,5TH A SINGLE PHASEALTERNATOR 32.5VDC 6A,ALL VDCS MEASURED AT 108/187V LINE VDC
style_designatorNON-CIRCULAR
NSN5330-00-298-5681
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 25086 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
•
APERTURE DIAMETER: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: NON-CIRCULAR
•
BOLT HOLE QUANTITY: 2
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: PAPER OVERALL
•
HOLE DIAMETER: 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
BOLT CIRCLE DIAMETER: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
APERTURE DIAMETER1.000 INCHES NOMINAL IN
STYLE DESIGNATORNON-CIRCULAR
BOLT HOLE QUANTITY2
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
MATERIALPAPER OVERALL
HOLE DIAMETER0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
BOLT CIRCLE DIAMETER1.500 INCHES NOMINAL IN
OUTSIDE CORNER RADIUS0.250 INCHES NOMINAL IN
SIDE RADIUS FROM GASKET CENTER0.688 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
9116-DInterchangeable
interchangeable cross-reference
interchangeable
25086Interchangeable
interchangeable cross-reference
interchangeable
581R472H13Interchangeable
interchangeable cross-reference
interchangeable
2546Interchangeable
interchangeable cross-reference
interchangeable
88823Interchangeable
Same NIIN cross-reference
interchangeable
14405AInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 25086?
25086 is a COUPLER,TRANSMISSION LINE.
What parts can replace 25086?
There are 7 known substitutes for 25086: 9116-D, 25086, 581R472H13 and 4 more. Substitute compatibility should be verified for your specific system.
Is 25086 still available?
25086 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026