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520020 — CHUCK,COLLET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

520020: CHUCK,COLLET.

The CHUCK,COLLET is a the manufacturer industrial component. Key specifications include overall_diameter: 1.0 INCHES NOMINAL IN, special_features: CONSTRUCTED OF UV RESISTANT INJECTION MOLDED NYLON WITH CHROME PLATED FORMED BRASS BASE., end_item_identification: 4610-01-688-0542, part_name_assigned_by_controlling_agency: DRAIN PLUG. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-721-8502, 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
520020
NSN: 5315-00-721-8502
NIINs: 007218502, 011833011, 013276292, 014656095, 017003984
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
overall_diameter1.0 INCHES NOMINAL IN
special_featuresCONSTRUCTED OF UV RESISTANT INJECTION MOLDED NYLON WITH CHROME PLATED FORMED BRASS BASE.
end_item_identification4610-01-688-0542
part_name_assigned_by_controlling_agencyDRAIN PLUG
NSN5315-00-721-8502
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 520020 · OEM ⚠ 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
•
FIRST END TAPER LENGTH: 0.020 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.031 INCHES NOMINAL IN
•
HARDNESS RATING: 45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.0935 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.020 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.031 INCHES NOMINAL IN
HARDNESS RATING45.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.0935 INCHES MINIMUM AND 0.9400 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.440 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
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 520020?
520020 is a CHUCK,COLLET.
What is the NSN for 520020?
520020 is cataloged in the U.S. Government catalog under NSN 5315-00-721-8502. This indicates validated use in U.S. government and defense supply chains.
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