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Technical Data Sheet
PartsTable / COMPONENT / B4-4
B4-4 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BEARING,ROLLER,NEEDLE is a the manufacturer industrial component. Key specifications include phase: THREE, bed_type: SCREW, diameter: 0.186 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN, material: STEEL OVERALL, thickness: 0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN, current_type: AC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-045-4689, 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
B4-4
NSN: 5340-00-045-4689
FSC: 5340
CAGE: 66295 — WITTEK COMPANIES INTL INC (USA)
SPECIFICATIONS
phaseTHREE
bed_typeSCREW
diameter0.186 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
materialSTEEL OVERALL
thickness0.008 INCHES MINIMUM AND 0.012 INCHES MAXIMUM IN
current_typeAC
power_sourceELECTRIC MOTOR
belt_quantity2
bore_diameter0.2495 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
hole_diameter0.125 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
mounting_typeFLOOR
overall_width0.2400 INCHES MINIMUM AND 0.2500 INCHES MAXIMUM IN
NSN5340-00-045-4689
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B4-4 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL BAND
•
MATERIAL THICKNESS: 0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
SURFACE TREATMENT: CADMIUM BAND
•
STYLE DESIGNATOR: CENTER MOUNT
•
FASTENING DEVICE TYPE: PLAIN SLOTTED HEAD SCREW
•
LOOP INSIDE DIAMETER: 1.375 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.875 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL BAND
OVERALL WIDTH0.312 INCHES NOMINAL IN
MATERIAL THICKNESS0.030 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM BAND
STYLE DESIGNATORCENTER MOUNT
FASTENING DEVICE TYPEPLAIN SLOTTED HEAD SCREW
LOOP INSIDE DIAMETER1.375 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.875 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA17532-GC12 MANUFACTURERS SPECIFICATION
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
X22-NUpgraded Successor
successor cross-reference
successor
B44Upgraded Successor
successor cross-reference
successor
H467Y001 ITEM 15Upgraded Successor
successor cross-reference
successor
00S811TYPE1CLASSAInterchangeable
interchangeable cross-reference
interchangeable
671-451-9004Interchangeable
interchangeable cross-reference
interchangeable
404-7277Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B4-4?
B4-4 is a BEARING,ROLLER,NEEDLE.
What parts can replace B4-4?
There are 14 known substitutes for B4-4: X22-N, B44, H467Y001 ITEM 15 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B4-4?
B4-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-045-4689. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026