PartsTable
Technical Data Sheet
Download PDF

SB400 — ARRESTER,ELECTRICAL SURGE

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

SB400: ARRESTER,ELECTRICAL SURGE.

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include shape: ROUND, material: PLASTIC POLYCARBONATE LENS, lens_color: AMBERAMBER, shank_style: HOLLOW, usage_design: INDOOR, bore_diameter: 0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-702-5925, 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→ SB400
NSN: 3110-00-702-5925
NIINs: 007025925, 010226821, 014084325
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 78286 — SIKORSKY AIRCRAFT CORPORATION DBA SIKORSKY AIRCRAFT CORP (USA)
SPECIFICATIONS
shapeROUND
materialPLASTIC POLYCARBONATE LENS
lens_colorAMBERAMBER
shank_styleHOLLOW
usage_designINDOOR
bore_diameter0.3120 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM IN
seal_quantity2
terminal_typeTAB, SOLDERLESS LUG
alignment_typeSELF-ALIGNING
overall_length4.900 INCHES NOMINAL4.900 INCHES NOMINAL IN
shank_diameter0.7060 INCHES MINIMUM AND 0.7080 INCHES MAXIMUM IN
mounting_methodMAGNETICMAGNETIC
NSN3110-00-702-5925
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: SB400 · 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
•
SHANK DIAMETER: 0.7060 INCHES MINIMUM AND 0.7080 INCHES MAXIMUM IN
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.6100 INCHES NOMINAL IN
•
SHANK BORE DEPTH: 1.7500 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE ROW, CONCAVE ROLLERS
•
SHANK BORE DIAMETER: 0.5000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.7060 INCHES MINIMUM AND 0.7080 INCHES MAXIMUM IN
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.6100 INCHES NOMINAL IN
SHANK BORE DEPTH1.7500 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE ROW, CONCAVE ROLLERS
OVERALL LENGTH3.3437 INCHES NOMINAL IN
SHANK BORE DIAMETER0.5000 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER1.4375 INCHES NOMINAL IN
SELF-ALIGNMENT ANGLE10.00 DEGREES NOMINAL
SUBSTITUTES & CROSS-REFERENCES 2
SB4000Reference document
Same NSN cross-reference
Reference document — Secondary reference
SB4000-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy SB400?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is SB400?
SB400 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace SB400?
There are 2 known substitutes for SB400: SB4000, SB4000-1. Substitute compatibility should be verified for your specific system.
What is the NSN for SB400?
SB400 is cataloged in the U.S. Government catalog under NSN 3110-00-702-5925. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — SB400

✓ 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.