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PartsTable / COMPONENT / NL 1/4
NL 1/4 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NL 1/4 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-507-1280, 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
NL 1/4
NSN: 5310-01-507-1280
FSC: 5310
CAGE: 6Y603 — FABORY USA LTD. (USA)
SPECIFICATIONS
Part NumberNL 1/4
NSN5310-01-507-1280
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NL 1/4 · 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 OVERALL
•
HOLE DIAMETER: 7.2 MILLIMETERS NOMINAL MM
•
HARDNESS RATING: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
•
STYLE DESIGNATOR: TWO PIECE INTERLOCKING
•
OUTSIDE DIAMETER: 11.5 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ISO 2081 ASSN STD ALL TREATMENT RESPONSES OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
OVERALL HEIGHT1.8 MILLIMETERS NOMINAL MM
HOLE DIAMETER7.2 MILLIMETERS NOMINAL MM
HARDNESS RATING72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
END ITEM IDENTIFICATION2320-01-447-6345
STYLE DESIGNATORTWO PIECE INTERLOCKING
OUTSIDE DIAMETER11.5 MILLIMETERS NOMINAL MM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONISO 2081 ASSN STD ALL TREATMENT RESPONSES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASME-Y14.5 M-1994 ASSN STD ALL MATERIAL RESPONSES OVERALL
SURFACE TREATMENTZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
NL14Interchangeable
interchangeable cross-reference
interchangeable
12422608Interchangeable
interchangeable cross-reference
interchangeable
HLS-1/4Interchangeable
interchangeable cross-reference
interchangeable
11582611Interchangeable
interchangeable cross-reference
interchangeable
11582611-250Interchangeable
interchangeable cross-reference
interchangeable
12422608-007Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NL 1/4?
NL 1/4 is a NL 1/4.
What parts can replace NL 1/4?
There are 6 known substitutes for NL 1/4: NL14, 12422608, HLS-1/4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NL 1/4?
NL 1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-507-1280. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026