PartsTable
Technical Data Sheet
B3599-21 ✓ 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,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 3140 OVERALL, shank_length: 0.250 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN, shank_diameter: 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN, first_end_style: ROUND, second_end_style: SQUARE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-215-7380, 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
B3599-21
NSN: 5315-00-215-7380
FSC: 5315
CAGE: 14541 — COOPER MACHINERY SERVICES LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 3140 OVERALL
shank_length0.250 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
shank_diameter0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
first_end_styleROUND
second_end_styleSQUARE
style_designatorSHOULDER
shoulder_diameter0.109 INCHES NOMINAL IN
first_end_locationSHANK END
first_end_outer_radius0.047 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endNOT IDENTICAL
NSN5315-00-215-7380
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: B3599-21 · 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
SHANK LENGTH: 0.250 INCHES NOMINAL IN
MATERIAL: STEEL COMP 3140 OVERALL
SHANK DIAMETER: 0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
FIRST END LOCATION: SHANK END
FIRST END OUTER RADIUS: 0.047 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST END: NOT IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SHANK LENGTH0.250 INCHES NOMINAL IN
MATERIALSTEEL COMP 3140 OVERALL
SHANK DIAMETER0.092 INCHES MINIMUM AND 0.093 INCHES MAXIMUM IN
FIRST END LOCATIONSHANK END
FIRST END OUTER RADIUS0.047 INCHES NOMINAL IN
OVERALL LENGTH0.500 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SECOND END STYLESQUARE
SHOULDER DIAMETER0.109 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
23991Interchangeable
interchangeable cross-reference
interchangeable
2467Interchangeable
interchangeable cross-reference
interchangeable
133600HInterchangeable
interchangeable cross-reference
interchangeable
02467Interchangeable
interchangeable cross-reference
interchangeable
319-6700-1188329PC12Interchangeable
interchangeable cross-reference
interchangeable
3267025REVAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B3599-21?
B3599-21 is a PIN,SHOULDER,HEADLESS.
What parts can replace B3599-21?
There are 14 known substitutes for B3599-21: 23991, 2467, 133600H and 11 more. Substitute compatibility should be verified for your specific system.
Is B3599-21 still available?
B3599-21 is currently cancelled.
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