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Technical Data Sheet

51A2MB/WD — 51A2MB/WD

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

51A2MB/WD: 51A2MB/WD.

The 51A2MB/WD is a the manufacturer industrial component. Key specifications include overall_depth: 0.405 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, screw_drive_type: HEXAGON SOCKET, style_designator: ROUND, attachment_method: SETSCREWS. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-151-6113, 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
51A2MB/WD
NSN: 5355-00-151-6113
FSC: 5355 — Knobs and Pointers
CAGE: 99813 — JAN HARDWARE MFG CO INC (USA)
SPECIFICATIONS
overall_depth0.405 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_depth0.026 INCHES MINIMUM IN
overall_thickness0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
nominal_thread_size0.112 INCHES SCREW HOLE IN
counterbore_diameter0.435 INCHES MINIMUM IN
material_transparencyOPAQUE
setscrew_hole_quantity2
NSN5355-00-151-6113
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR CAP: 2MB 51A2MB/WD TITLE COMPONENT PN 51A2MB/WD MFR 51A2MB/WD
KEY FEATURES
•
2MB Capacity
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.158 INCHES MAXIMUM IN
•
SHAFT ACCOMMODATION STYLE: COUNTERBORED
•
OVERALL THICKNESS: 0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
•
MATERIAL TRANSPARENCY: OPAQUE
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
•
COUNTERBORE DEPTH: 0.026 INCHES MINIMUM IN
•
SETSCREW HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.158 INCHES MAXIMUM IN
SHAFT ACCOMMODATION STYLECOUNTERBORED
OVERALL THICKNESS0.480 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
MATERIAL TRANSPARENCYOPAQUE
STYLE DESIGNATORROUND
OUTSIDE DIAMETER0.490 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN
COUNTERBORE DEPTH0.026 INCHES MINIMUM IN
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.112 INCHES SCREW HOLE IN
COUNTERBORE DIAMETER0.435 INCHES MINIMUM IN
SUBSTITUTES & CROSS-REFERENCES 7
R50-1W0-1GReference document
Same NSN cross-reference
Reference document — Secondary reference
R50-1WD-1GReference document
Same NSN cross-reference
Reference document — Secondary reference
0C1RReference document
Same NSN cross-reference
Reference document — Secondary reference
MIL-K-3926Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS91528-0C1RReference document
Same NSN cross-reference
Reference document — Secondary reference
121-112-001Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 51A2MB/WD?
51A2MB/WD is a 51A2MB/WD.
What parts can replace 51A2MB/WD?
There are 7 known substitutes for 51A2MB/WD: R50-1W0-1G, R50-1WD-1G, 0C1R and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51A2MB/WD?
51A2MB/WD is cataloged in the U.S. Government catalog under NSN 5355-00-151-6113. 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.