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48447 — CALIPER ASSEMBLY,DISC BRAKE

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

48447: CALIPER ASSEMBLY,DISC BRAKE.

The CALIPER ASSEMBLY,DISC BRAKE is a the manufacturer industrial component. Key specifications include end_item_identification: 3930-01-382-2567,TRUCK,LIFT,FORK. This part is cataloged in the U.S.

Government catalog under NSN 3120-00-287-8894, 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
48447
NSN: 3120-00-287-8894
NIINs: 002878894, 014429871
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
end_item_identification3930-01-382-2567,TRUCK,LIFT,FORK
NSN3120-00-287-8894
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 48447 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CORNER SHAPE: SQUARE ALL CORNERS
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BODY OUTSIDE DIAMETER: 0.3450 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM IN
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STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
BODY INSIDE DIAMETER: 0.2270 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM IN
•
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
TECHNICAL CHARACTERISTICS
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER0.3450 INCHES MINIMUM AND 0.3460 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
OVERALL LENGTH0.5000 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.2270 INCHES MINIMUM AND 0.2300 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2024 OVERALL
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 48447?
48447 is a CALIPER ASSEMBLY,DISC BRAKE.
What is the NSN for 48447?
48447 is cataloged in the U.S. Government catalog under NSN 3120-00-287-8894. 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.