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2UJN4 — PIN,LOCK

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2UJN4: PIN,LOCK.

The PIN,LOCK is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, prong_length: 2.312 INCHES NOMINAL IN, opening_width: 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, style_designator: LOCK, surface_treatment: ZINC OVERALL, wire_stock_diameter: 0.094 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-627-7979, 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
2UJN4
NSN: 5315-01-627-7979
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 25795 — W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
prong_length2.312 INCHES NOMINAL IN
opening_width0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
style_designatorLOCK
surface_treatmentZINC OVERALL
wire_stock_diameter0.094 INCHES NOMINAL IN
end_item_identificationTOOLS
part_name_assigned_by_controlling_agencyCOTTER HAIRPIN
NSN5315-01-627-7979
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2UJN4 · 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
•
WIRE STOCK DIAMETER: 0.094 INCHES NOMINAL IN
•
STYLE DESIGNATOR: LOCK
•
OPENING WIDTH: 0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
•
PRONG LENGTH: 2.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIRE STOCK DIAMETER0.094 INCHES NOMINAL IN
STYLE DESIGNATORLOCK
OPENING WIDTH0.375 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
PRONG LENGTH2.312 INCHES NOMINAL IN
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYCOTTER HAIRPIN
END ITEM IDENTIFICATIONTOOLS
MATERIALSTEEL OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
11B5190376-3Same 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 2UJN4?
2UJN4 is a PIN,LOCK.
What parts can replace 2UJN4?
There is 1 known substitute for 2UJN4: 11B5190376-3. Substitute compatibility should be verified for your specific system.
What is the NSN for 2UJN4?
2UJN4 is cataloged in the U.S. Government catalog under NSN 5315-01-627-7979. 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.