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5102680 — PLATE,BACKING,BRAKE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

5102680: PLATE,BACKING,BRAKE.

The PLATE,BACKING,BRAKE is a the manufacturer industrial component. Key specifications include shape: SPECIAL, width: 22.510 INCHES NOMINAL IN, length: 28.400 INCHES NOMINAL IN, material: STEEL, thickness: 0.166 INCHES NOMINAL IN, aperture_type: COUNTERBORED. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-306-9420, 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
5102680
NSN: 5340-01-306-9420
NIINs: 013069420, 013456988
FSC: 5340 — Hardware, Commercial
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
shapeSPECIAL
width22.510 INCHES NOMINAL IN
length28.400 INCHES NOMINAL IN
materialSTEEL
thickness0.166 INCHES NOMINAL IN
aperture_typeCOUNTERBORED
aperture_shapeROUND
aperture_diameter0.688 INCHES NOMINAL IN
counterbore_depth0.166 INCHES NOMINAL IN
features_providedAPERTURE
counterbore_diameter0.375 INCHES NOMINAL IN
end_item_identification2815-01-043-7092
NSN5340-01-306-9420
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5102680 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 TYPE: COUNTERBORED
•
LENGTH: 28.400 INCHES NOMINAL IN
•
SHAPE: SPECIAL
•
APERTURE DIAMETER: 0.688 INCHES NOMINAL IN
•
COUNTERBORE DEPTH: 0.166 INCHES NOMINAL IN
•
FEATURES PROVIDED: APERTURE
•
COUNTERBORE DIAMETER: 0.375 INCHES NOMINAL IN
•
WIDTH: 22.510 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
APERTURE TYPECOUNTERBORED
LENGTH28.400 INCHES NOMINAL IN
SHAPESPECIAL
APERTURE DIAMETER0.688 INCHES NOMINAL IN
COUNTERBORE DEPTH0.166 INCHES NOMINAL IN
FEATURES PROVIDEDAPERTURE
COUNTERBORE DIAMETER0.375 INCHES NOMINAL IN
WIDTH22.510 INCHES NOMINAL IN
END ITEM IDENTIFICATION2815-01-043-7092
MATERIALSTEEL
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5102680?
5102680 is a PLATE,BACKING,BRAKE.
What is the NSN for 5102680?
5102680 is cataloged in the U.S. Government catalog under NSN 5340-01-306-9420. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.