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Technical Data Sheet
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8020-51-11 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

8020-51-11: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, end_item_identification: 3-WAY BALL VALVE 1NPS .5/.75 NPS, part_name_assigned_by_controlling_agency: PIN, LOCKING, VALVE 1.00 NPS. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-628-0447, 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
8020-51-11
NSN: 5315-01-628-0447
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 62144 — PARKER HANNIFIN CORPORATION DIV VILLAGE MARINE TECH (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
end_item_identification3-WAY BALL VALVE 1NPS .5/.75 NPS
part_name_assigned_by_controlling_agencyPIN, LOCKING, VALVE 1.00 NPS
NSN5315-01-628-0447
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 8020-51-11 · 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
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, LOCKING, VALVE 1.00 NPS
END ITEM IDENTIFICATION3-WAY BALL VALVE 1NPS .5/.75 NPS
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
M3589Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
M3589 PC NO 6Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 8020-51-11?
8020-51-11 is a PIN,LOCK.
What parts can replace 8020-51-11?
There are 2 known substitutes for 8020-51-11: M3589, M3589 PC NO 6. Substitute compatibility should be verified for your specific system.
What is the NSN for 8020-51-11?
8020-51-11 is cataloged in the U.S. Government catalog under NSN 5315-01-628-0447. 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.