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S78-3BB — S78-3BB

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S78-3BB: S78-3BB.

The S78-3BB is a the manufacturer industrial component. Key specifications include shank_style: STRAIGHT, overall_depth: 0.406 INCHES NOMINAL IN, shank_diameter: 0.531 INCHES NOMINAL IN, inside_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 1.000 INCHES NOMINAL IN, screw_drive_type: CROSS RECESS TYPE 1. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-771-6939, 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
S78-3BB
NSN: 5355-00-771-6939
FSC: 5355 — Knobs and Pointers
CAGE: 75376 — KURZ-KASCH INC (USA)
SPECIFICATIONS
shank_styleSTRAIGHT
overall_depth0.406 INCHES NOMINAL IN
shank_diameter0.531 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter1.000 INCHES NOMINAL IN
screw_drive_typeCROSS RECESS TYPE 1
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.625 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES SCREW HOLE IN
setscrew_hole_quantity2
thread_quantity_per_inch32 SCREW HOLE
NSN5355-00-771-6939
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available S78-3BB TITLE COMPONENT PN S78-3BB MFR S78-3BB
KEY FEATURES
•
SHANK DIAMETER: 0.531 INCHES NOMINAL IN
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.156 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.625 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 1.000 INCHES NOMINAL IN
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.138 INCHES SCREW HOLE IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.531 INCHES NOMINAL IN
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.156 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.625 INCHES NOMINAL IN
STYLE DESIGNATORROUND
OUTSIDE DIAMETER1.000 INCHES NOMINAL IN
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.250 INCHES NOMINAL IN
SHANK STYLESTRAIGHT
OTHER ITEMS IN FSC 5355 — Knobs and Pointers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5355-00-000-5777 5355-00-001-2029 5355-00-001-2403 5355-00-001-4109 5355-00-001-4677 5355-00-001-4724 5355-00-001-4730 5355-00-001-4734
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S78-3BB?
S78-3BB is a S78-3BB.
What is the NSN for S78-3BB?
S78-3BB is cataloged in the U.S. Government catalog under NSN 5355-00-771-6939. 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.