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1780 — BRUSH,ELECTRICAL CONTACT

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

1780: BRUSH,ELECTRICAL CONTACT.

The BRUSH,ELECTRICAL CONTACT is a Trevi industrial component. Key specifications include width: 20.000 INCHES NOMINAL IN, length: 24.000 INCHES NOMINAL IN, radius: 0.625 INCHES NOMINAL IN, material: NICKEL ALLOY 400 OR NICKEL ALLOY SEAT, duty_type: CONTINUOUS, stem_type: NONRISING. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-100-0720, 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→ 1780
NSN: 3110-00-100-0720
NIINs: 001000720, 001316209, 001538929, 002089352, 002389147, 003162336, 003287222, 003642552, 005283838, 005655991, 006297040, 007896586, 009218241, 009508598, 011417249, 011577715, 012078145, 012477788, 013050734, 013116295, 013820613, 015370136, 015447197, 015764389, 016183597
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 01212 — FEDERAL-MOGUL CORP GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
width20.000 INCHES NOMINAL IN
length24.000 INCHES NOMINAL IN
radius0.625 INCHES NOMINAL IN
materialNICKEL ALLOY 400 OR NICKEL ALLOY SEAT
duty_typeCONTINUOUS
stem_typeNONRISING
thickness0.248 INCHES NOMINAL IN
top_styleCYLINDRICAL HEAD
base_colorWHITE
base_styleSPECIAL 952 SCREW
body_shapeROUND
body_styleRECTANGULAR
NSN3110-00-100-0720
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: 1780 · Trevi ⚠ 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: 0.7810 INCHES NOMINAL IN
•
STANDARD TOLERANCE DESIGNATION: AFBMA CLASS 2
•
BORE DIAMETER: 1.0000 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORNORMAL ANGLE
CONE CORNER RADIUS0.0312 INCHES NOMINAL IN
CONE WIDTH0.7810 INCHES NOMINAL IN
STANDARD TOLERANCE DESIGNATIONAFBMA CLASS 2
BORE DIAMETER1.0000 INCHES NOMINAL IN
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
45715Reference document
Same NSN cross-reference
Reference document — Secondary reference
1662675Reference document
Same NSN cross-reference
Reference document — Secondary reference
95X1780Reference document
Same NSN cross-reference
Reference document — Secondary reference
D45715Reference document
Same NSN cross-reference
Reference document — Secondary reference
5026AReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1780?
1780 is a BRUSH,ELECTRICAL CONTACT manufactured by Trevi. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1780?
There are 5 known substitutes for 1780: 45715, 1662675, 95X1780 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1780?
1780 is cataloged in the U.S. Government catalog under NSN 3110-00-100-0720. 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.