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B.30 — THERMAL RELEASE,CIRCUIT BREAKER

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

B.30: THERMAL RELEASE,CIRCUIT BREAKER.

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include phase: THREE, width: 5.594 INCHES NOMINAL IN, length: 5.125 INCHES NOMINAL IN, material: COPPER ALLOY BRUSH PART, thickness: 0.250 INCHES NOMINAL IN, unit_type: DESK. This part is cataloged in the U.S.

Government catalog under NSN 3110-00-156-3416, 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→ B.30
NSN: 3110-00-156-3416
NIINs: 001563416, 001745289, 002285294, 002751942, 002931608, 003365876, 004333564, 004355672, 004745774, 004938125, 004942870, 009591131, 012442891, 012896676, 013454594, 015102786
FSC: 3110 — Bearings, Antifriction, Unmounted
CAGE: 00724 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
phaseTHREE
width5.594 INCHES NOMINAL IN
length5.125 INCHES NOMINAL IN
materialCOPPER ALLOY BRUSH PART
thickness0.250 INCHES NOMINAL IN
unit_typeDESK
bore_shapeSTRAIGHT
ring_styleEXTERNAL INVERTED LUGS
skirt_styleFLARED
table_width29.000 INCHES MINIMUM IN
current_typeAC
drive_methodELECTRIC MOTOR
NSN3110-00-156-3416
COMPONENT DIAGRAM
TAPERED ROLLER BEARING — CUP & CONE ASSEMBLY CAGE CUP BORE CONE OD: — · BORE: — · WIDTH: — Single Row · PN: B.30 · Braun ⚠ 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
•
RETAINER FABRICATION METHOD: PRESSED
•
BEARING SEAL TYPE: CONTACT
•
LUBRICATION MATERIAL: GREASE
•
OUTER RING WIDTH: 0.3150 INCHES NOMINAL IN
•
INTERNAL FIT-UP DESIGNATION: STANDARD
•
SURFACE FINISH: GROUND
•
SHIELD QUANTITY: 1
•
STYLE DESIGNATOR: NON-LOADING GROOVE, NON-SEPARABLE
TECHNICAL CHARACTERISTICS
RETAINER FABRICATION METHODPRESSED
BEARING SEAL TYPECONTACT
LUBRICATION MATERIALGREASE
OUTER RING WIDTH0.3150 INCHES NOMINAL IN
INTERNAL FIT-UP DESIGNATIONSTANDARD
SURFACE FINISHGROUND
SHIELD QUANTITY1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH0.4060 INCHES NOMINAL IN
OVERALL OUTSIDE DIAMETER26.00 MILLIMETERS NOMINAL MM
SUBSTITUTES & CROSS-REFERENCES 7
87039X1ANG25Reference document
Same NSN cross-reference
Reference document — Secondary reference
C87039X1EReference document
Same NSN cross-reference
Reference document — Secondary reference
M8000-113Reference document
Same NSN cross-reference
Reference document — Secondary reference
R87039X1E3Reference document
Same NSN cross-reference
Reference document — Secondary reference
87039XR1E9Reference document
Same NSN cross-reference
Reference document — Secondary reference
87039X1EReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B.30?
B.30 is a THERMAL RELEASE,CIRCUIT BREAKER manufactured by Braun. It is classified as a MRO (MRO_GENERAL).
What parts can replace B.30?
There are 7 known substitutes for B.30: 87039X1ANG25, C87039X1E, M8000-113 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B.30?
B.30 is cataloged in the U.S. Government catalog under NSN 3110-00-156-3416. This indicates validated use in U.S. government and defense supply chains.
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