PartsTable
Technical Data Sheet
C5942-1 ✓ 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,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OR STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-987-0900, 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
C5942-1
NSN: 5310-00-987-0900
FSC: 5310
CAGE: 70318 — ALLMETAL SCREW PRODUCTS CORP (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OR STEEL OVERALL
nut_styleHEXAGON
nut_height0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
nominal_thread_size0.138 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch32
NSN5310-00-987-0900
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C5942-1 · 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
NUT STYLE: HEXAGON
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 32
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 0.138 INCHES IN
THREAD CLASS: 2B
WIDTH ACROSS FLATS: 0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH32
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.138 INCHES IN
THREAD CLASS2B
WIDTH ACROSS FLATS0.241 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
NUT HEIGHT0.087 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY OR STEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
640K4Interchangeable
interchangeable cross-reference
interchangeable
10246Interchangeable
interchangeable cross-reference
interchangeable
110S 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
2411 1-1/4Interchangeable
interchangeable cross-reference
interchangeable
53580Interchangeable
interchangeable cross-reference
interchangeable
TVS2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C5942-1?
C5942-1 is a NUT,PLAIN,HEXAGON.
What parts can replace C5942-1?
There are 13 known substitutes for C5942-1: 640K4, 10246, 110S 1-1/4 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C5942-1?
C5942-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-987-0900. This indicates validated use in U.S. government and defense supply chains.
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