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Technical Data Sheet
20638 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

CONDUIT ASSEMBLY,METAL,FLEXIBLE. Key specifications include material: COPPER AND ZINC BODY, hole_size: 0.328 IN. MIN,0.385 IN.

MAX DIA IN, point_type: CONVENTIONAL, cooling_fin: NOT INCLUDED, point_angle: 118.0 DEGREES NOMINAL, shank_style: STRAIGHT ROUND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5133-00-227-9666, 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
20638
NSN: 5133-00-227-9666
FSC: 5133
CAGE: 42970 — LEAR SIEGLER INC NATIONAL TWIST DRILL AND TOOL DIV (USA)
SPECIFICATIONS
materialCOPPER AND ZINC BODY
hole_size0.328 IN. MIN,0.385 IN. MAX DIA IN
point_typeCONVENTIONAL
cooling_finNOT INCLUDED
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
flute_length3.625 INCHES NOMINAL IN
hole_spacingSPACED BETWEEN MTG HOLES ON 5.496 IN. MIN.,5.504 IN. MAX DIA BOLT CIRCLE,2 HOLES SPACED 72 DEG APART,144 DEG EAC FROM 3RD HOLE IN
balancing_padNOT INCLUDED
overall_width0.215 INCHES NOMINAL IN
flute_quantity2
oil_drain_holeNOT INCLUDED
NSN5133-00-227-9666
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available CONDUIT ASSEMBLY,METAL,FLEXIBLE TITLE COMPONENT PN 20638 MFR CONDUIT ASSEMBLY,METAL
KEY FEATURES
CUTTING END STYLE: GENERAL PURPOSE
FLUTE LENGTH: 3.625 INCHES NOMINAL IN
NOMINAL CUTTING DIAMETER: 0.3750 INCHES IN
MATERIAL: STEEL OVERALL
SPECIFICATION/STANDARD DATA: 05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SHANK DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH5.000 INCHES NOMINAL IN
CUTTING END STYLEGENERAL PURPOSE
SPECIAL FEATURESJOBBERS LG; FRACTIONAL SIZE 3/8
FLUTE LENGTH3.625 INCHES NOMINAL IN
NOMINAL CUTTING DIAMETER0.3750 INCHES IN
MATERIALSTEEL OVERALL
SPECIFICATION/STANDARD DATA05047-ASME B94.11M PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SHANK DIAMETER0.375 INCHES NOMINAL IN
SHANK STYLESTRAIGHT ROUND
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 33
2BE910Interchangeable
interchangeable cross-reference
interchangeable
8QWInterchangeable
interchangeable cross-reference
interchangeable
100R5-8Interchangeable
interchangeable cross-reference
interchangeable
12124Interchangeable
interchangeable cross-reference
interchangeable
2619Interchangeable
interchangeable cross-reference
interchangeable
2403-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20638?
20638 is a CONDUIT ASSEMBLY,METAL,FLEXIBLE.
What parts can replace 20638?
There are 33 known substitutes for 20638: 2BE910, 8QW, 100R5-8 and 30 more. Substitute compatibility should be verified for your specific system.
Is 20638 still available?
20638 is currently cancelled.
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