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Technical Data Sheet
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645613 — WASHER,FLAT

✓ Government record, cited
Equip · NUT WASHER
PRODUCT OVERVIEW

645613: WASHER,FLAT.

Cat.6A Pro S/FTP Patch Cord is composed of preeminent materials and fully-examined to Cat.6A Platinum S/FTP Patch Cord is composed of preeminent materials and fully-examined to conform with industrial standards. Offering higher bandwidth and better signal-to-noise margin, the Cat.6A cable is able to deliver ultrahigh and error-free performance in the most demanding network environments, specially for 10G application. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-145-0224, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
645613
NSN: 5310-00-145-0224
FSC: 5310 — Nuts and Washers
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
thickness0.047 INCHES NOMINAL IN
hole_diameter0.453 INCHES NOMINAL IN
overall_diameter0.688 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationAMS 3564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-145-0224
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 645613 · Equip ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OVERALL DIAMETER: 0.688 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 3564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.453 INCHES NOMINAL IN
•
THICKNESS: 0.047 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.688 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 3564 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.453 INCHES NOMINAL IN
THICKNESS0.047 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
20-31Reference document
Same NSN cross-reference
Reference document — Secondary reference
644945Reference document
Same NSN cross-reference
Reference document — Secondary reference
852703Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 645613?
645613 is a WASHER,FLAT manufactured by Equip.
What parts can replace 645613?
There are 3 known substitutes for 645613: 20-31, 644945, 852703. Substitute compatibility should be verified for your specific system.
What is the NSN for 645613?
645613 is cataloged in the U.S. Government catalog under NSN 5310-00-145-0224. This indicates validated use in U.S. government and defense supply chains.
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