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PartsTable / COMPONENT / 626017
626017 ✓ 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

NUT,PLAIN,EXTENDED WASHER,DOUBLE. Key specifications include precious_material: SILVER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-731-7486, 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
626017
NSN: 5310-00-731-7486
FSC: 5310
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
precious_materialSILVER
NSN5310-00-731-7486
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 626017 · 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: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
WASHER THICKNESS: 0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
WASHER OUTSIDE DIAMETER: 0.448 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 28
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
PRECIOUS MATERIAL: SILVER
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
WASHER THICKNESS0.065 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER0.448 INCHES NOMINAL IN
THREAD QUANTITY PER INCH28
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NOMINAL THREAD SIZE0.250 INCHES IN
PRECIOUS MATERIALSILVER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
625846Interchangeable
interchangeable cross-reference
interchangeable
623461Interchangeable
interchangeable cross-reference
interchangeable
POPSHOT CAMERAInterchangeable
interchangeable cross-reference
interchangeable
626017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 626017?
626017 is a NUT,PLAIN,EXTENDED WASHER,DOUBLE.
What parts can replace 626017?
There are 4 known substitutes for 626017: 625846, 623461, POPSHOT CAMERA and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 626017?
626017 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-731-7486. 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