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PartsTable / COMPONENT / 754-6407000 ITEM 39
754-6407000 ITEM 39 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY OVERALL, nut_style: HEXAGON, nut_height: 1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN, temp_rating: 250.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNJC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-426-8876, 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
754-6407000 ITEM 39
NSN: 5310-01-426-8876
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialNICKEL ALLOY OVERALL
nut_styleHEXAGON
nut_height1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
temp_rating250.0 FAHRENHEIT NOMINAL DEGF
thread_class3B
thread_seriesUNJC
thread_directionRIGHT-HAND
width_across_flats2.344 INCHES MINIMUM AND 2.388 INCHES MAXIMUM IN
nominal_thread_size1.500 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch6
material_document_and_classificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-426-8876
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 754-6407000 ITEM 39 · 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: NICKEL ALLOY OVERALL
•
THREAD QUANTITY PER INCH: 6
•
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
•
NOMINAL THREAD SIZE: 1.500 INCHES IN
•
THREAD SERIES: UNJC
•
NUT HEIGHT: 1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY OVERALL
THREAD QUANTITY PER INCH6
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
NOMINAL THREAD SIZE1.500 INCHES IN
THREAD SERIESUNJC
NUT HEIGHT1.891 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
NUT STYLEHEXAGON
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
WIDTH ACROSS FLATS2.344 INCHES MINIMUM AND 2.388 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
6002-154 PIECE 5Interchangeable
interchangeable cross-reference
interchangeable
211070742Interchangeable
interchangeable cross-reference
interchangeable
6404856 FIND 15L1Interchangeable
interchangeable cross-reference
interchangeable
MIL-N-25027Interchangeable
Same NIIN cross-reference
interchangeable
M25027/1-24CInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 754-6407000 ITEM 39?
754-6407000 ITEM 39 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 754-6407000 ITEM 39?
There are 5 known substitutes for 754-6407000 ITEM 39: 6002-154 PIECE 5, 211070742, 6404856 FIND 15L1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 754-6407000 ITEM 39?
754-6407000 ITEM 39 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-426-8876. 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