PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 389956L
389956L ✓ 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 NUT,PLAIN,KNURLED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, nut_style: KNURLED, knurl_width: 0.156 INCHES NOMINAL IN, nut_diameter: 0.500 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.312 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-527-4497, 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
389956L
NSN: 5310-00-527-4497
FSC: 5310
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
nut_styleKNURLED
knurl_width0.156 INCHES NOMINAL IN
nut_diameter0.500 INCHES NOMINAL IN
thread_class2B
nut_thickness0.312 INCHES NOMINAL IN
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-527-4497
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 389956L · 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: COPPER ALLOY 360 OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: NICKEL OVERALL
•
THREAD QUANTITY PER INCH: 32
•
THREAD SERIES: UNF
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT THICKNESS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY 360 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTNICKEL OVERALL
THREAD QUANTITY PER INCH32
THREAD SERIESUNF
NOMINAL THREAD SIZE0.190 INCHES IN
NUT THICKNESS0.312 INCHES NOMINAL IN
THREAD CLASS2B
KNURL WIDTH0.156 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
4202Interchangeable
interchangeable cross-reference
interchangeable
453Interchangeable
interchangeable cross-reference
interchangeable
10518Interchangeable
interchangeable cross-reference
interchangeable
KC3-2Interchangeable
interchangeable cross-reference
interchangeable
SX0Interchangeable
interchangeable cross-reference
interchangeable
U76443Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
Ready to buy 389956L?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 389956L?
389956L is a NUT,PLAIN,KNURLED.
What parts can replace 389956L?
There are 11 known substitutes for 389956L: 4202, 453, 10518 and 8 more. Substitute compatibility should be verified for your specific system.
Is 389956L still available?
389956L is currently cancelled.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 389956L

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026