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8100-1256-0305 — SPINDLE,MECHANICALLY ACTUATED

✓ Government record, cited
— · BALL BEARING
PRODUCT OVERVIEW

8100-1256-0305: SPINDLE,MECHANICALLY ACTUATED.

The SPINDLE,MECHANICALLY ACTUATED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, nut_style: HEXAGON, thickness: 0.7812 INCHES NOMINAL IN, body_style: PLAIN, SOLID, bore_style: W/ KEYWAY BOTH ENDS, nut_height: 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3120-01-342-8617, 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
8100-1256-0305
NSN: 3120-01-342-8617
NIINs: 013428617, 014795066, 014795579, 014795929, 014797737
FSC: 3120 — Bearings, Plain, Unmounted
CAGE: 70876 — BATH IRON WORKS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
nut_styleHEXAGON
thickness0.7812 INCHES NOMINAL IN
body_stylePLAIN, SOLID
bore_styleW/ KEYWAY BOTH ENDS
nut_height0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN
tooth_formSTUB
thread_class2B
bore_diameter2.0625 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
overall_length11.312 INCHES NOMINAL IN
pitch_diameter2.7500 INCHES NOMINAL IN
NSN3120-01-342-8617
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: 8100-1256-0305 · 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
•
SURFACE FINISH: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
•
CORNER SHAPE: SQUARE ALL CORNERS
•
BODY OUTSIDE DIAMETER: 1.1265 INCHES MINIMUM AND 1.1275 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
BODY INSIDE DIAMETER: 0.8770 INCHES MINIMUM AND 0.8780 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
SURFACE FINISH63.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
CORNER SHAPESQUARE ALL CORNERS
BODY OUTSIDE DIAMETER1.1265 INCHES MINIMUM AND 1.1275 INCHES MAXIMUM IN
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-5687,TYPE 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.6250 INCHES NOMINAL IN
BODY INSIDE DIAMETER0.8770 INCHES MINIMUM AND 0.8780 INCHES MAXIMUM IN
MATERIALCOPPER ALLOY 841 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5959220 PIECE 51Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8100-1256-0305?
8100-1256-0305 is a SPINDLE,MECHANICALLY ACTUATED.
What parts can replace 8100-1256-0305?
There is 1 known substitute for 8100-1256-0305: 5959220 PIECE 51. Substitute compatibility should be verified for your specific system.
What is the NSN for 8100-1256-0305?
8100-1256-0305 is cataloged in the U.S. Government catalog under NSN 3120-01-342-8617. This indicates validated use in U.S. government and defense supply chains.
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