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Technical Data Sheet
PartsTable / COMPONENT / 338570
338570 ✓ 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 8630 OVERALL, surface_finish: 100.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, special_features: WITH 2ND HOLE 0.125 IN. DIA 0.450 IN.

FROM 1ST HOLE AND WITH 3RD HOLE 0.125 IN. DIA 1.112 IN. FROM 2ND HOLE IN, pin_overall_length: 3.000 INCHES NOMINAL IN, first_hole_diameter: 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM 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 5315-00-290-4805, 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
338570
NSN: 5315-00-290-4805
FSC: 5315
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8630 OVERALL
surface_finish100.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
special_featuresWITH 2ND HOLE 0.125 IN. DIA 0.450 IN. FROM 1ST HOLE AND WITH 3RD HOLE 0.125 IN. DIA 1.112 IN. FROM 2ND HOLE IN
pin_overall_length3.000 INCHES NOMINAL IN
first_hole_diameter0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
pin_overall_diameter0.2486 INCHES MINIMUM AND 0.2496 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.030 INCHES NOMINAL IN
second_end_relationship_with_first_endIDENTICAL
distance_from_centerline_of_hole_to_end_of_pin0.250 INCHES NOMINAL IN
NSN5315-00-290-4805
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 338570 · 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
•
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN: 0.250 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.030 INCHES NOMINAL IN
•
FIRST HOLE DIAMETER: 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
FIRST END STYLE: CHAMFERED
•
MATERIAL: STEEL COMP 8630 OVERALL
•
PIN OVERALL LENGTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM CENTERLINE OF HOLE TO END OF PIN0.250 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.030 INCHES NOMINAL IN
FIRST HOLE DIAMETER0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN
SPECIAL FEATURESWITH 2ND HOLE 0.125 IN. DIA 0.450 IN. FROM 1ST HOLE AND WITH 3RD HOLE 0.125 IN. DIA 1.112 IN. FROM 2ND HOLE IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
FIRST END STYLECHAMFERED
MATERIALSTEEL COMP 8630 OVERALL
PIN OVERALL LENGTH3.000 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.2486 INCHES MINIMUM AND 0.2496 INCHES MAXIMUM IN
SURFACE FINISH100.0 MICROINCHES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
38570Interchangeable
interchangeable cross-reference
interchangeable
N539675 PIECE 21Interchangeable
interchangeable cross-reference
interchangeable
338570Interchangeable
interchangeable cross-reference
interchangeable
385-60Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 338570?
338570 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 338570?
There are 4 known substitutes for 338570: 38570, N539675 PIECE 21, 338570 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 338570?
338570 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-290-4805. 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