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S645-5LBB538 — S645-5LBB538

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S645-5LBB538: S645-5LBB538.

The S645-5LBB538 is a the manufacturer industrial component. Key specifications include width: 0.625 INCHES NOMINAL IN, skirt_style: FLARED, skirt_design: NONDETACHABLE, overall_depth: 0.312 INCHES NOMINAL IN, inside_diameter: 0.189 INCHES NOMINAL IN, screw_drive_type: HEXAGON SOCKET. This part is cataloged in the U.S.

Government catalog under NSN 5355-00-753-5164, 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
S645-5LBB538
NSN: 5355-00-753-5164
FSC: 5355 — Knobs and Pointers
CAGE: 75376 — KURZ-KASCH INC (USA)
SPECIFICATIONS
width0.625 INCHES NOMINAL IN
skirt_styleFLARED
skirt_designNONDETACHABLE
overall_depth0.312 INCHES NOMINAL IN
inside_diameter0.189 INCHES NOMINAL IN
screw_drive_typeHEXAGON SOCKET
style_designatorFLUTED FOILS
attachment_methodSETSCREWS
overall_thickness0.438 INCHES NOMINAL IN
reference_markingLINE AND DOT
nominal_thread_size0.138 INCHES SCREW HOLE IN
fluted_foil_quantity7
NSN5355-00-753-5164
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available S645-5LBB538 TITLE COMPONENT PN S645-5LBB538 MFR S645-5LBB538
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.219 INCHES NOMINAL IN
•
SHAFT ACCOMMODATION STYLE: ROUND
•
OVERALL THICKNESS: 0.438 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLUTED FOILS
•
REFERENCE MARKING: LINE AND DOT
•
SETSCREW HOLE QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.138 INCHES SCREW HOLE IN
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.219 INCHES NOMINAL IN
SHAFT ACCOMMODATION STYLEROUND
OVERALL THICKNESS0.438 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORFLUTED FOILS
REFERENCE MARKINGLINE AND DOT
SETSCREW HOLE QUANTITY2
NOMINAL THREAD SIZE0.138 INCHES SCREW HOLE IN
INSIDE DIAMETER0.189 INCHES NOMINAL IN
GRIPPING SURFACE CONDITIONGRIP AID
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 2
0370-0379Reference document
Same NSN cross-reference
Reference document — Secondary reference
FTC154-1356Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S645-5LBB538?
S645-5LBB538 is a S645-5LBB538.
What parts can replace S645-5LBB538?
There are 2 known substitutes for S645-5LBB538: 0370-0379, FTC154-1356. Substitute compatibility should be verified for your specific system.
What is the NSN for S645-5LBB538?
S645-5LBB538 is cataloged in the U.S. Government catalog under NSN 5355-00-753-5164. 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.