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3878 — SYNTHESIZER,ELECTRICAL FREQUENCY

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

3878: SYNTHESIZER,ELECTRICAL FREQUENCY.

SYNTHESIZER,ELECTRICAL FREQUENCY. Key specifications include wheel: NOT PROVIDED, material: COPPER ALLOY CONTACT, tare_bar: NOT INCLUDED, body_style: ABOVE BASE CONNECTION TYPE, cone_width: 1.1875 INCHES NOMINAL IN, scale_type: WEIGHING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-3109, 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
MRO→ MRO_GENERAL→ 3878
NSN: 3110-00-100-3109
NIINs: 001003109, 002386086, 010130636, 011221393, 011387537, 015910802, 016521257
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 51588 — RBC BEARINGS INCORPORATED DIV WEST TRENTON DIVISION (USA)
SPECIFICATIONS
wheelNOT PROVIDED
materialCOPPER ALLOY CONTACT
tare_barNOT INCLUDED
body_styleABOVE BASE CONNECTION TYPE
cone_width1.1875 INCHES NOMINAL IN
scale_typeWEIGHING
water_usageREQUIRED
beam_quantity2
bore_diameter1.4375 INCHES NOMINAL IN
mounting_typeFLOOR
overall_depth14.500 INCHES NOMINAL IN
overall_width4.750 INCHES NOMINAL IN
NSN3110-00-100-3109
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 3878 · OEM ⚠ VERIFY BEFORE ORDERING Cup and cone sold separately — verify you are ordering BOTH parts or the correct component. Always replace cup and cone together — mismatched wear = premature failure ✓ BROKER TIP Taper angle determines axial load capacity. Steeper angle = higher axial load rating. Timken series numbers indicate dimensions — cross-reference carefully PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: NORMAL ANGLE
•
CONE CORNER RADIUS: 0.0312 INCHES NOMINAL IN
•
CONE WIDTH: 1.1875 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.4375 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
CONE WIDTH1.1875 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.4375 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 8
826859Reference document
Same NSN cross-reference
Reference document — Secondary reference
705314Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
K3878Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
30194Reference document
Same NSN cross-reference
Reference document — Secondary reference
31R88Reference document
Same NSN cross-reference
Reference document — Secondary reference
209MAS1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3878?
3878 is a SYNTHESIZER,ELECTRICAL FREQUENCY. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3878?
There are 8 known substitutes for 3878: 826859, 705314, K3878 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3878?
3878 is cataloged in the U.S. Government catalog under NSN 3110-00-100-3109. This indicates validated use in U.S. government and defense supply chains.
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