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41030685 ✓ 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,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4037 OVERALL, first_end_style: SQUARE, hardness_rating: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL, pin_overall_length: 1.000 INCHES NOMINAL IN, pin_overall_diameter: 0.4376 INCHES MINIMUM AND 0.4378 INCHES MAXIMUM IN, second_end_relationship_with_first_end: IDENTICAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-223-4934, 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
41030685
NSN: 5315-01-223-4934
FSC: 5315
CAGE: U0759 — SCAMMELL MOTORS BRITISH LEYLAND UK LTD (GBR)
SPECIFICATIONS
materialSTEEL COMP 4037 OVERALL
first_end_styleSQUARE
hardness_rating60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
pin_overall_length1.000 INCHES NOMINAL IN
pin_overall_diameter0.4376 INCHES MINIMUM AND 0.4378 INCHES MAXIMUM IN
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-223-4934
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 41030685 · 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
•
HARDNESS RATING: 60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
•
FIRST END STYLE: SQUARE
•
MATERIAL: STEEL COMP 4037 OVERALL
•
PIN OVERALL LENGTH: 1.000 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL DIAMETER: 0.4376 INCHES MINIMUM AND 0.4378 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING60.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL
FIRST END STYLESQUARE
MATERIALSTEEL COMP 4037 OVERALL
PIN OVERALL LENGTH1.000 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL DIAMETER0.4376 INCHES MINIMUM AND 0.4378 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
378054Interchangeable
interchangeable cross-reference
interchangeable
15887Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYDSZ54Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 41030685?
41030685 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 41030685?
There are 3 known substitutes for 41030685: 378054, 15887, NAS907 TYDSZ54. Substitute compatibility should be verified for your specific system.
What is the NSN for 41030685?
41030685 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-223-4934. 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