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Technical Data Sheet
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8446825 — Technical Data Sheet

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— · 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 PLATE,MOUNTING is a the manufacturer industrial component. Key specifications include width: 3.750 INCHES NOMINAL IN, length: 2.500 INCHES NOMINAL IN, material: STEEL, special_features: 0.406 IN. DIA MTG HOLES - 2;1.125 IN.-12UNF-2B HOLE - 1,CENTERED IN, part_name_assigned_by_controlling_agency: PLATE,MOUNTING,FLAT.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-312-4532, 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
8446825
NSN: 5340-01-312-4532
FSC: 5340
CAGE: 36024 — LIBBY POWER SYSTEMS, LLC (USA)
SPECIFICATIONS
width3.750 INCHES NOMINAL IN
length2.500 INCHES NOMINAL IN
materialSTEEL
special_features0.406 IN. DIA MTG HOLES - 2;1.125 IN.-12UNF-2B HOLE - 1,CENTERED IN
part_name_assigned_by_controlling_agencyPLATE,MOUNTING,FLAT
NSN5340-01-312-4532
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8446825 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
•
WIDTH: 3.750 INCHES NOMINAL IN
•
MATERIAL: STEEL
•
LENGTH: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYPLATE,MOUNTING,FLAT
WIDTH3.750 INCHES NOMINAL IN
MATERIALSTEEL
SPECIAL FEATURES0.406 IN. DIA MTG HOLES - 2;1.125 IN.-12UNF-2B HOLE - 1,CENTERED IN
LENGTH2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
54B6236Interchangeable
interchangeable cross-reference
interchangeable
AB-1011Interchangeable
interchangeable cross-reference
interchangeable
5310PL0649881Interchangeable
interchangeable cross-reference
interchangeable
121C2-14-4Interchangeable
interchangeable cross-reference
interchangeable
30728Interchangeable
interchangeable cross-reference
interchangeable
54B6236-10Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8446825?
8446825 is a PLATE,MOUNTING.
What parts can replace 8446825?
There are 7 known substitutes for 8446825: 54B6236, AB-1011, 5310PL0649881 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8446825?
8446825 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-312-4532. 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: September 2026