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Technical Data Sheet
PartsTable / COMPONENT / 3-54085-2
3-54085-2 ✓ 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,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.120 INCHES NOMINAL IN, diameter: 0.5601 INCHES MINIMUM AND 0.5606 INCHES MAXIMUM IN, material: STEEL COMP 416 OVERALL, head_style: FLAT, grip_length: 1.400 INCHES NOMINAL IN, surface_finish: 63.0 MICROINCHES OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-291-2061, 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
3-54085-2
NSN: 5315-00-291-2061
FSC: 5315
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
height0.120 INCHES NOMINAL IN
diameter0.5601 INCHES MINIMUM AND 0.5606 INCHES MAXIMUM IN
materialSTEEL COMP 416 OVERALL
head_styleFLAT
grip_length1.400 INCHES NOMINAL IN
surface_finish63.0 MICROINCHES OVERALL
undercut_width0.060 INCHES NOMINAL IN
first_end_styleCHAMFERED
hardness_rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
effective_length1.330 INCHES NOMINAL IN
style_designatorGROOVE
pin_head_diameter0.800 INCHES NOMINAL IN
NSN5315-00-291-2061
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3-54085-2 · 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
•
FIRST HOLE DIAMETER: 0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
•
GRIP LENGTH: 1.400 INCHES NOMINAL IN
•
HOLE ARRANGEMENT STYLE: ONE END DRILLED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
UNDER HEAD LENGTH: 1.900 INCHES NOMINAL IN
•
DIAMETER: 0.5601 INCHES MINIMUM AND 0.5606 INCHES MAXIMUM IN
•
EFFECTIVE LENGTH: 1.330 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST HOLE DIAMETER0.141 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN
GRIP LENGTH1.400 INCHES NOMINAL IN
HOLE ARRANGEMENT STYLEONE END DRILLED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST END STYLECHAMFERED
UNDER HEAD LENGTH1.900 INCHES NOMINAL IN
DIAMETER0.5601 INCHES MINIMUM AND 0.5606 INCHES MAXIMUM IN
EFFECTIVE LENGTH1.330 INCHES NOMINAL IN
UNDERCUT WIDTH0.060 INCHES NOMINAL IN
HEAD STYLEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
3L290Interchangeable
interchangeable cross-reference
interchangeable
00-0582Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3-54085-2?
3-54085-2 is a PIN,GROOVED,HEADED.
What parts can replace 3-54085-2?
There are 2 known substitutes for 3-54085-2: 3L290, 00-0582. Substitute compatibility should be verified for your specific system.
What is the NSN for 3-54085-2?
3-54085-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-291-2061. 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