PartsTable
Technical Data Sheet
503339 ✓ Verified by PartsTable
3M · 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

<b>Crystal-clear, hard-coated, dirt-repellent, very simple assembly, residue-free removal</b><br><br>The 3M Vikuiti™ screen protector DQC160 is designed for application on electronic screens and offers reliable protection from scratches and soiling.<br><br>The surface of the film is as smooth and shiny as glass. Adhesive and film are both crystal clear so that when applied the film appears transparent.<br><br>The hard coating of the Vikuiti™ screen protector DQC160 furthermore offers optimal mechanical protection from scratches. An additional non-adhesive layer ensures that the protective film is also dirt-repellent enabling the removal of ball-point pens and marker pens ink through dry wiping.<br><br>An optimised adhesive layer ensures an easy-to-apply, bubble free application of the Vikuiti™ screen protector DQC160.

The adhesive layer is only slightly adhesive and readily forms a film over even surfaces. The protective film can easily be removed or repositioned at any time.<br><br>Th This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-050-3339, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
503339
NSN: 5310-00-050-3339
FSC: 5310
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
special_featuresBRAND NAME DESCRIPTION QWFI-7;ADDITIONAL ITEM INFORMATION 32X32 QWFI-7;REQUIRED MINIMUM ORDER QUANTITY 1;REQUIRED MULTIPLE ORDER QUANTITY 1
NSN5310-00-050-3339
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 503339 · 3M ⚠ 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 HEIGHT: 0.312 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 28
THREAD SERIES: UNF
BEARING SURFACE TYPE: FLAT
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD DIRECTION: RIGHT-HAND
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.312 INCHES NOMINAL IN
THREAD QUANTITY PER INCH28
THREAD SERIESUNF
BEARING SURFACE TYPEFLAT
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD DIRECTIONRIGHT-HAND
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT OR PREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL OVERALL
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633-CANCELED FED SPEC ALL MATERIAL RESPONSES NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
PT535Interchangeable
interchangeable cross-reference
interchangeable
2-6706Interchangeable
interchangeable cross-reference
interchangeable
9090270-1Interchangeable
interchangeable cross-reference
interchangeable
NAS907Interchangeable
interchangeable cross-reference
interchangeable
2331 9/64Interchangeable
interchangeable cross-reference
interchangeable
NAS907 TYCSZ9/64Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 503339?
503339 is a NUT,SELF-LOCKING,HEXAGON manufactured by 3M.
What parts can replace 503339?
There are 19 known substitutes for 503339: PT535, 2-6706, 9090270-1 and 16 more. Substitute compatibility should be verified for your specific system.
Is 503339 still available?
503339 is currently cancelled.
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