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Technical Data Sheet
PartsTable / COMPONENT / BG-34
BG-34 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BG-34 is a the manufacturer industrial component. Key specifications include color: BLACK, LUSTERLESS, skirt_style: STEPPED, skirt_design: NONDETACHABLE, overall_depth: 0.560 INCHES MINIMUM IN, inside_diameter: 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN, outside_diameter: 0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5355-00-813-2078, 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
BG-34
NSN: 5355-00-813-2078
FSC: 5355
CAGE: 00141 — ROLLER BEARING CO OF AMERICA, INC DIV PIC DESIGN (USA)
SPECIFICATIONS
colorBLACK, LUSTERLESS
skirt_styleSTEPPED
skirt_designNONDETACHABLE
overall_depth0.560 INCHES MINIMUM IN
inside_diameter0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN
outside_diameter0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
screw_drive_typeHEXAGON SOCKET
style_designatorROUND
attachment_methodSETSCREWS
counterbore_depth0.177 INCHES MINIMUM IN
overall_thickness0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES SCREW HOLE IN
NSN5355-00-813-2078
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BG-34 TITLE COMPONENT PN BG-34 MFR BG-34
KEY FEATURES
•
GRIPPING SURFACE CONDITION: GRIP AID
•
SCREW DRIVE TYPE: HEXAGON SOCKET
•
MATERIAL TRANSPARENCY: OPAQUE
•
OVERALL THICKNESS: 0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
•
ATTACHMENT METHOD: SETSCREWS
•
COLOR: BLACK, LUSTERLESS
•
THREAD QUANTITY PER INCH: 40 SCREW HOLE
TECHNICAL CHARACTERISTICS (FLIS)
GRIPPING SURFACE CONDITIONGRIP AID
SCREW DRIVE TYPEHEXAGON SOCKET
MATERIAL TRANSPARENCYOPAQUE
OVERALL THICKNESS0.625 INCHES MINIMUM AND 0.685 INCHES MAXIMUM IN
ATTACHMENT METHODSETSCREWS
END ITEM IDENTIFICATIONW/S:HELICOPTER, MH-53E; AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130); DEEP SUBMERGENCE SYSTEMS PROGRAMS (DSSP); FIRE CONTROL SYSTEM, MK 92 (FCS); COMMUNICATIONS SYSTEMS, AN/WRR-7; SUPPORT EQUIPMENT, B-1 AIRCRAFT; AIRCRAFT, C-2A (REPROCURED); HELICOPTER, ADVANCE ATTACK, AH-1W; RADAR SET, AN/PPS-5B A
COLORBLACK, LUSTERLESS
THREAD QUANTITY PER INCH40 SCREW HOLE
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
STYLE DESIGNATORROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 31
PS501Interchangeable
interchangeable cross-reference
interchangeable
REFDESIGPS501Interchangeable
interchangeable cross-reference
interchangeable
78657Interchangeable
interchangeable cross-reference
interchangeable
P/S 501400 GRAM KITInterchangeable
interchangeable cross-reference
interchangeable
P/S 501Interchangeable
interchangeable cross-reference
interchangeable
P/S 501 4OO G KTInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BG-34?
BG-34 is a BG-34.
What parts can replace BG-34?
There are 31 known substitutes for BG-34: PS501, REFDESIGPS501, 78657 and 28 more. Substitute compatibility should be verified for your specific system.
Is BG-34 still available?
BG-34 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026