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Technical Data Sheet
PartsTable / COMPONENT / 6607W
6607W ✓ 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: STEEL OVERALL, nut_style: HEXAGON, nut_height: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UN, 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 5310-00-426-7904, 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
6607W
NSN: 5310-00-426-7904
FSC: 5310
CAGE: 60848 — ALLIED SYSTEMS COMPANY DBA ALLIED SYSTEMS CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
thread_class2B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
nominal_thread_size2.500 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch16
NSN5310-00-426-7904
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 6607W · 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
•
WIDTH ACROSS FLATS: 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
•
THREAD SERIES: UN
•
NOMINAL THREAD SIZE: 2.500 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 16
•
NUT STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
THREAD SERIESUN
NOMINAL THREAD SIZE2.500 INCHES IN
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH16
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
THREAD CLASS2B
NUT HEIGHT1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
WMC252Interchangeable
interchangeable cross-reference
interchangeable
6607Interchangeable
IBM Internal Hard Drive 4GB SCSI wide hard drive
interchangeable
2337948Interchangeable
interchangeable cross-reference
interchangeable
46607Interchangeable
interchangeable cross-reference
interchangeable
132108-20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 6607W?
6607W is a NUT,PLAIN,HEXAGON.
What parts can replace 6607W?
There are 5 known substitutes for 6607W: WMC252, 6607, 2337948 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 6607W?
6607W is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-426-7904. 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