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Technical Data Sheet
PartsTable / COMPONENT / 10043943-11
10043943-11 ✓ 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 440C OVERALL, first_end_style: SQUARE, hardness_rating: 55.0 ROCKWELL C NOMINAL OVERALL, pin_overall_length: 0.875 INCHES NOMINAL IN, pin_overall_diameter: 0.3120 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN, end_item_identification: W/S: GUIDED MISSILE, INTERCEPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-528-5602, 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
10043943-11
NSN: 5315-00-528-5602
FSC: 5315
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 440C OVERALL
first_end_styleSQUARE
hardness_rating55.0 ROCKWELL C NOMINAL OVERALL
pin_overall_length0.875 INCHES NOMINAL IN
pin_overall_diameter0.3120 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN
end_item_identificationW/S: GUIDED MISSILE, INTERCEPT
criticality_code_justificationACHU
material_document_and_classificationQQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-528-5602
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 10043943-11 · 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 DOCUMENT AND CLASSIFICATION: QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: ACHU
•
HARDNESS RATING: 55.0 ROCKWELL C NOMINAL OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
PIN OVERALL LENGTH: 0.875 INCHES NOMINAL IN
•
PIN OVERALL DIAMETER: 0.3120 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN
•
MATERIAL: STEEL COMP 440C OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONACHU
HARDNESS RATING55.0 ROCKWELL C NOMINAL OVERALL
END ITEM IDENTIFICATIONW/S: GUIDED MISSILE, INTERCEPT
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
PIN OVERALL LENGTH0.875 INCHES NOMINAL IN
PIN OVERALL DIAMETER0.3120 INCHES MINIMUM AND 0.3123 INCHES MAXIMUM IN
MATERIALSTEEL COMP 440C OVERALL
FIRST END STYLESQUARE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
159-0018-00Interchangeable
interchangeable cross-reference
interchangeable
5920PL1373174Interchangeable
interchangeable cross-reference
interchangeable
T-10728-25Interchangeable
interchangeable cross-reference
interchangeable
204035Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10043943-11?
10043943-11 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 10043943-11?
There are 4 known substitutes for 10043943-11: 159-0018-00, 5920PL1373174, T-10728-25 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10043943-11?
10043943-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-528-5602. 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