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NL1/4 ✓ 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 NL1/4 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 5310-01-606-3495, 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
NL1/4
NSN: 5310-01-606-3495
FSC: 5310
CAGE: 1PUD1 — NORD LOCK INC (USA)
SPECIFICATIONS
Part NumberNL1/4
NSN5310-01-606-3495
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NL1/4 · 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
•
OUTSIDE DIAMETER: 0.441 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: TWO PIECE INTERLOCKING
•
HOLE DIAMETER: 0.275 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.441 INCHES MINIMUM AND 0.465 INCHES MAXIMUM IN
OVERALL HEIGHT0.057 INCHES MINIMUM AND 0.081 INCHES MAXIMUM IN
STYLE DESIGNATORTWO PIECE INTERLOCKING
PART NAME ASSIGNED BY CONTROLLING AGENCYWASHER, LOCKING
END ITEM IDENTIFICATIONHOWITZER, 155MM, M777E1 MM
HOLE DIAMETER0.275 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
NL 1/4Interchangeable
interchangeable cross-reference
interchangeable
12422608-007Interchangeable
interchangeable cross-reference
interchangeable
NL14Interchangeable
interchangeable cross-reference
interchangeable
12422608Interchangeable
interchangeable cross-reference
interchangeable
NL5Interchangeable
interchangeable cross-reference
interchangeable
13064474Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NL1/4?
NL1/4 is a NL1/4.
What parts can replace NL1/4?
There are 7 known substitutes for NL1/4: NL 1/4, 12422608-007, NL14 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NL1/4?
NL1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-606-3495. 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