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PartsTable / COMPONENT / 10150987
10150987 ✓ 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,ROUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: ROUND, nut_diameter: 0.250 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.375 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-866-6151, 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
10150987
NSN: 5310-00-866-6151
FSC: 5310
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleROUND
nut_diameter0.250 INCHES NOMINAL IN
thread_class2B
nut_thickness0.375 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_featuresHARD BRASS NO LONGER AVAILABLE. USE ALT MAT'L QQ-B-626, HALF HARD.
thread_directionRIGHT-HAND
drive_point_depth0.062 INCHES NOMINAL IN
drive_point_width0.050 INCHES NOMINAL IN
nominal_thread_size0.138 INCHES IN
drive_point_quantity2
NSN5310-00-866-6151
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10150987 · 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
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 32
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
NUT THICKNESS: 0.375 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESHARD BRASS NO LONGER AVAILABLE. USE ALT MAT'L QQ-B-626, HALF HARD.
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
NUT THICKNESS0.375 INCHES NOMINAL IN
DRIVE POINT QUANTITY2
THREAD CLASS2B
DRIVE POINT WIDTH0.050 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
TYPE-21Interchangeable
interchangeable cross-reference
interchangeable
DP1480Interchangeable
interchangeable cross-reference
interchangeable
10457902Interchangeable
interchangeable cross-reference
interchangeable
623-12559Interchangeable
interchangeable cross-reference
interchangeable
23176-208520-17-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10150987?
10150987 is a NUT,PLAIN,ROUND.
What parts can replace 10150987?
There are 5 known substitutes for 10150987: TYPE-21, DP1480, 10457902 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10150987?
10150987 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-866-6151. 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