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PartsTable / COMPONENT / C041-1101
C041-1101 ✓ 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,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A2A, thread_length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, first_end_style: CHAMFEREDCHAMFERED, pin_grip_length: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN, second_end_style: SQUARESQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-066-3963, 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
C041-1101
NSN: 5315-01-066-3963
FSC: 5315
CAGE: 07305 — BINGHAM-WILLAMETTE CO DIV OF GUY F ATKINSON CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A2A
thread_length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
first_end_styleCHAMFEREDCHAMFERED
pin_grip_length1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
second_end_styleSQUARESQUARE
special_featuresFOUR WRENCHING FLATS ON UNTHREADED SHANKFOUR WRENCHING FLATS ON UNTHREADED SHANK
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentPHOSPHATE OVERALL
first_end_locationCHAMFERED ENDCHAMFERED END
pin_overall_length2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN
nominal_thread_size0.750 INCHES0.750 INCHES IN
NSN5315-01-066-3963
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C041-1101 · 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
•
PIN GRIP LENGTH: 1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
•
CRITICALITY CODE JUSTIFICATION: ZZZYZZZY
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL QUALITY CONTROL PROVISIONS
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
THREAD CLASS: 2A2A
TECHNICAL CHARACTERISTICS (FLIS)
PIN GRIP LENGTH1.250 INCHES NOMINAL1.250 INCHES NOMINAL IN
CRITICALITY CODE JUSTIFICATIONZZZYZZZY
SURFACE TREATMENTPHOSPHATE OVERALL
SPECIAL FEATURESFOUR WRENCHING FLATS ON UNTHREADED SHANKFOUR WRENCHING FLATS ON UNTHREADED SHANK
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL QUALITY CONTROL PROVISIONS
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD CLASS2A2A
FIRST END TAPER LENGTH0.437 INCHES NOMINAL0.437 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HANDRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
C04388Interchangeable
interchangeable cross-reference
interchangeable
C040Interchangeable
interchangeable cross-reference
interchangeable
9251769Interchangeable
interchangeable cross-reference
interchangeable
C-041-1101Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C041-1101?
C041-1101 is a PIN,STRAIGHT,THREADED.
What parts can replace C041-1101?
There are 4 known substitutes for C041-1101: C04388, C040, 9251769 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C041-1101?
C041-1101 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-066-3963. 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