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Technical Data Sheet
PartsTable / COMPONENT / 654906
654906 ✓ 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,RECTANGULAR is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 875 OVERALL, nut_style: PLAIN, RECTANGULAR, nut_width: 1.750 INCHES NOMINAL IN, nut_height: 1.250 INCHES NOMINAL IN, nut_length: 2.000 INCHES NOMINAL IN, thread_class: 3C. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-381-5826, 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
654906
NSN: 5310-00-381-5826
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialCOPPER ALLOY 875 OVERALL
nut_stylePLAIN, RECTANGULAR
nut_width1.750 INCHES NOMINAL IN
nut_height1.250 INCHES NOMINAL IN
nut_length2.000 INCHES NOMINAL IN
thread_class3C
thread_seriesUN
special_featuresGRAY COLOR
thread_directionRIGHT-HAND
surface_treatmentPAINT OVERALL
nominal_thread_size1.062 INCHES IN
thread_quantity_per_inch16
NSN5310-00-381-5826
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 654906 · 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 WIDTH: 1.750 INCHES NOMINAL IN
•
NUT STYLE: PLAIN, RECTANGULAR
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-E-1265 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 1.062 INCHES IN
•
THREAD QUANTITY PER INCH: 16
•
SURFACE TREATMENT: PAINT OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT WIDTH1.750 INCHES NOMINAL IN
NUT STYLEPLAIN, RECTANGULAR
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-E-1265 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B584 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIESUN
NOMINAL THREAD SIZE1.062 INCHES IN
THREAD QUANTITY PER INCH16
SURFACE TREATMENTPAINT OVERALL
SPECIAL FEATURESGRAY COLOR
MATERIALCOPPER ALLOY 875 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
231120Interchangeable
interchangeable cross-reference
interchangeable
3398Interchangeable
interchangeable cross-reference
interchangeable
365452004Interchangeable
interchangeable cross-reference
interchangeable
700579-01Interchangeable
interchangeable cross-reference
interchangeable
L34059P01Interchangeable
interchangeable cross-reference
interchangeable
11439-104Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 654906?
654906 is a NUT,PLAIN,RECTANGULAR.
What parts can replace 654906?
There are 9 known substitutes for 654906: 231120, 3398, 365452004 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 654906?
654906 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-381-5826. 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