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637566 — 637566

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

637566: 637566.

The 637566 is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061, skirt_style: FLARED, skirt_design: NONDETACHABLE, outside_diameter: 0.900 INCHES NOMINAL IN, style_designator: ROUND, attachment_method: SETSCREWS. This part is cataloged in the U.S.

Government catalog under NSN 5355-01-061-5861, 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
637566
NSN: 5355-01-061-5861
FSC: 5355 — Knobs and Pointers
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 6061
skirt_styleFLARED
skirt_designNONDETACHABLE
outside_diameter0.900 INCHES NOMINAL IN
style_designatorROUND
attachment_methodSETSCREWS
overall_thickness0.870 INCHES NOMINAL IN
setscrew_hole_quantity2
skirt_outside_diameter1.250 INCHES NOMINAL IN
gripping_surface_conditionGRIP AID
material_document_and_classificationQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE
distance_from_hole_center_to_knob/skirt_base0.340 INCHES NOMINAL IN
NSN5355-01-061-5861
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available 637566 TITLE COMPONENT PN 637566 MFR 637566
KEY FEATURES
•
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE: 0.340 INCHES NOMINAL IN
•
OVERALL THICKNESS: 0.870 INCHES NOMINAL IN
•
SKIRT OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE
•
OUTSIDE DIAMETER: 0.900 INCHES NOMINAL IN
•
SETSCREW HOLE QUANTITY: 2
•
GRIPPING SURFACE CONDITION: GRIP AID
TECHNICAL CHARACTERISTICS
DISTANCE FROM HOLE CENTER TO KNOB/SKIRT BASE0.340 INCHES NOMINAL IN
OVERALL THICKNESS0.870 INCHES NOMINAL IN
SKIRT OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
STYLE DESIGNATORROUND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-225/8,T6 FED SPEC SINGLE MATERIAL RESPONSE
OUTSIDE DIAMETER0.900 INCHES NOMINAL IN
SETSCREW HOLE QUANTITY2
GRIPPING SURFACE CONDITIONGRIP AID
COLORGRAY, FED STD 595, 36231
SKIRT DESIGNNONDETACHABLE
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 637566?
637566 is a 637566.
What is the NSN for 637566?
637566 is cataloged in the U.S. Government catalog under NSN 5355-01-061-5861. 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.