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PartsTable / COMPONENT / 5315L20-006
5315L20-006 ✓ 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 PIN,SPRING is a the manufacturer industrial component. Key specifications include diameter: 0.3450 INCHES MINIMUM AND 0.3455 INCHES MAXIMUM IN, material: STEEL OVERALL, overall_length: 1.6875 INCHES NOMINAL IN, style_designator: SLOTTED, material_thickness: 0.1812 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-479-2138, 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
5315L20-006
NSN: 5315-00-479-2138
FSC: 5315
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
diameter0.3450 INCHES MINIMUM AND 0.3455 INCHES MAXIMUM IN
materialSTEEL OVERALL
overall_length1.6875 INCHES NOMINAL IN
style_designatorSLOTTED
material_thickness0.1812 INCHES NOMINAL IN
NSN5315-00-479-2138
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5315L20-006 · 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 THICKNESS: 0.1812 INCHES NOMINAL IN
•
DIAMETER: 0.3450 INCHES MINIMUM AND 0.3455 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: SLOTTED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.1812 INCHES NOMINAL IN
DIAMETER0.3450 INCHES MINIMUM AND 0.3455 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSLOTTED
OVERALL LENGTH1.6875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
1177Interchangeable
interchangeable cross-reference
interchangeable
1177EInterchangeable
interchangeable cross-reference
interchangeable
1257Interchangeable
interchangeable cross-reference
interchangeable
349RInterchangeable
interchangeable cross-reference
interchangeable
MIL-C-1203Interchangeable
interchangeable cross-reference
interchangeable
MS35931-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5315L20-006?
5315L20-006 is a PIN,SPRING.
What parts can replace 5315L20-006?
There are 12 known substitutes for 5315L20-006: 1177, 1177E, 1257 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5315L20-006?
5315L20-006 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-479-2138. 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