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A20524 — PIN,COTTER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A20524: PIN,COTTER.

The PIN,COTTER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, surface_finish: 64.0 MICROINCHES BOTH ENDS, first_end_style: CHAMFERED, hardness_rating: 39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL, pin_overall_length: 2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM IN, pin_overall_diameter: 0.1200 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-571-9054, 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
A20524
NSN: 5330-00-571-9054
NIINs: 005719054, 008151405, 009908297
FSC: 5330 — Packing and Gasket Materials
CAGE: 14487 — PROVISION, INC. DBA PROVISION INC (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
surface_finish64.0 MICROINCHES BOTH ENDS
first_end_styleCHAMFERED
hardness_rating39.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
pin_overall_length2.432 INCHES MINIMUM AND 2.442 INCHES MAXIMUM IN
pin_overall_diameter0.1200 INCHES MINIMUM AND 0.1220 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.005 INCHES MINIMUM AND 0.010 INCHES MAXIMUM IN
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5330-00-571-9054
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A20524 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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CRITICALITY CODE JUSTIFICATION: ZZZY
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
TECHNICAL CHARACTERISTICS
CRITICALITY CODE JUSTIFICATIONZZZY
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
SUBSTITUTES & CROSS-REFERENCES 1
A20524CPReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A20524?
A20524 is a PIN,COTTER.
What parts can replace A20524?
There is 1 known substitute for A20524: A20524CP. Substitute compatibility should be verified for your specific system.
What is the NSN for A20524?
A20524 is cataloged in the U.S. Government catalog under NSN 5330-00-571-9054. This indicates validated use in U.S. government and defense supply chains.
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