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782053 — BRAKE DRUM

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

782053: BRAKE DRUM.

The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: IRON CAST UNS F22200 OVERALL, cooling_fin: NOT INCLUDED, balancing_pad: NOT INCLUDED, overall_width: 2.000 INCHES NOMINAL IN, oil_drain_hole: NOT INCLUDED, adjustment_hole: NOT INCLUDED. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-770-8369, 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
782053
NSN: 5305-00-770-8369
NIINs: 007708369, 010763493
FSC: 5305 — Screws
CAGE: 62143 — NORTHERN TELECOM INC TELECOM DISTRIBUTION DIV (USA)
SPECIFICATIONS
materialIRON CAST UNS F22200 OVERALL
cooling_finNOT INCLUDED
balancing_padNOT INCLUDED
overall_width2.000 INCHES NOMINAL IN
oil_drain_holeNOT INCLUDED
adjustment_holeNOT INCLUDED
inspection_holeNOT INCLUDED
center_hole_diameter4.010 INCHES NOMINAL IN
braking_surface_width1.625 INCHES NOMINAL IN
mounting_hole_spacingEQUALLY SPACED ON 5.500 IN. BOLT CIRCLE IN
mounting_hole_diameter0.531 INCHES NOMINAL IN
mounting_hole_quantity5
NSN5305-00-770-8369
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 782053 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: CADMIUM
•
FASTENER LENGTH: 0.375 INCHES NOMINAL IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD LENGTH: 0.375 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.086 INCHES IN
•
HEAD STYLE: FILLISTER
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.055 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTCADMIUM
FASTENER LENGTH0.375 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.375 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.086 INCHES IN
HEAD STYLEFILLISTER
THREAD DIRECTIONRIGHT-HAND
SCREW MATERIALSTEEL COMP 1010
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
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 782053?
782053 is a BRAKE DRUM.
What is the NSN for 782053?
782053 is cataloged in the U.S. Government catalog under NSN 5305-00-770-8369. This indicates validated use in U.S. government and defense supply chains.
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