The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, overall_width: 2.930 INCHES NOMINAL IN, center_hole_diameter: 4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN, braking_surface_width: 0.340 INCHES NOMINAL IN, mounting_hole_spacing: SPACED 72 DEGREES APART, mounting_hole_diameter: 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN. This part is cataloged in the U.S.
Government catalog under NSN 2530-01-245-8348, 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
65A81-D930
NSN:2530-01-245-8348 FSC:2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components CAGE:30003 — NAVAL AIR SYSTEMS COMMAND MANAGED ORIGINAL DESIGN ACTIVITY NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
material
IRON OVERALL
overall_width
2.930 INCHES NOMINAL IN
center_hole_diameter
4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN
braking_surface_width
0.340 INCHES NOMINAL IN
mounting_hole_spacing
SPACED 72 DEGREES APART
mounting_hole_diameter
0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
mounting_hole_quantity
5
braking_surface_diameter
5.500 INCHES NOMINAL IN
braking_surface_location
EXTERNAL
overall_outside_diameter
10.380 INCHES NOMINAL IN
NSN
2530-01-245-8348
COMPONENT DIAGRAM
KEY FEATURES
•
MOUNTING HOLE QUANTITY: 5
•
MOUNTING HOLE SPACING: SPACED 72 DEGREES APART
•
BRAKING SURFACE WIDTH: 0.340 INCHES NOMINAL IN
•
MOUNTING HOLE DIAMETER: 0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
•
OVERALL OUTSIDE DIAMETER: 10.380 INCHES NOMINAL IN
•
BRAKING SURFACE LOCATION: EXTERNAL
•
CENTER HOLE DIAMETER: 4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
MOUNTING HOLE QUANTITY
5
MOUNTING HOLE SPACING
SPACED 72 DEGREES APART
BRAKING SURFACE WIDTH
0.340 INCHES NOMINAL IN
MOUNTING HOLE DIAMETER
0.625 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
OVERALL WIDTH
2.930 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER
10.380 INCHES NOMINAL IN
BRAKING SURFACE LOCATION
EXTERNAL
CENTER HOLE DIAMETER
4.157 INCHES MINIMUM AND 4.160 INCHES MAXIMUM IN
BRAKING SURFACE DIAMETER
5.500 INCHES NOMINAL IN
MATERIAL
IRON OVERALL
OTHER ITEMS IN FSC 2530 — Vehicular Brake, Steering, Axle, Wheel, and Track Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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FREQUENTLY ASKED QUESTIONS
What is 65A81-D930?
65A81-D930 is a BRAKE DRUM.
What parts can replace 65A81-D930?
There is 1 known substitute for 65A81-D930: 65A81-D930-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 65A81-D930?
65A81-D930 is cataloged in the U.S. Government catalog under NSN 2530-01-245-8348. This indicates validated use in U.S. government and defense supply chains.
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