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63643 — BRAKE DRUM

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

63643: BRAKE DRUM.

The BRAKE DRUM is a the manufacturer industrial component. Key specifications include material: ASBESTOS OVERALL, hole_diameter: 0.160 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN, overall_width: 1.560 INCHES NOMINAL IN, overall_length: 3.120 INCHES NOMINAL IN, special_features: THERE ARE TWO APERTURES OF EQUAL SIZE SPACED 1.440 IN. C TO C IN, aperture_diameter: 0.940 INCHES NOMINAL IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-00-214-6631, 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
63643
NSN: 5330-00-214-6631
NIINs: 002146631, 010635013, 013641507
FSC: 5330 — Packing and Gasket Materials
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialASBESTOS OVERALL
hole_diameter0.160 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
overall_width1.560 INCHES NOMINAL IN
overall_length3.120 INCHES NOMINAL IN
special_featuresTHERE ARE TWO APERTURES OF EQUAL SIZE SPACED 1.440 IN. C TO C IN
aperture_diameter0.940 INCHES NOMINAL IN
fsc_application_dataPROPELLER AIRCRAFT,VARIABLE PITCH
cross-sectional_thickness0.045 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-214-6631
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 63643 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
•
FSC APPLICATION DATA: PROPELLER AIRCRAFT,VARIABLE PITCH
•
CROSS-SECTIONAL THICKNESS: 0.045 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
APERTURE DIAMETER: 0.940 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS OVERALL
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATAPROPELLER AIRCRAFT,VARIABLE PITCH
CROSS-SECTIONAL THICKNESS0.045 INCHES NOMINAL IN
OVERALL LENGTH3.120 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH1.560 INCHES NOMINAL IN
APERTURE DIAMETER0.940 INCHES NOMINAL IN
SPECIAL FEATURESTHERE ARE TWO APERTURES OF EQUAL SIZE SPACED 1.440 IN. C TO C IN
MATERIALASBESTOS OVERALL
HOLE DIAMETER0.160 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 63643?
63643 is a BRAKE DRUM.
What is the NSN for 63643?
63643 is cataloged in the U.S. Government catalog under NSN 5330-00-214-6631. 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.