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DF330643 FIND 27 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

DF330643 FIND 27: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 2A A, thread_length: 0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER, first_end_style: SQUARE, style_designator: SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-344-6843, 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
DF330643 FIND 27
NSN: 5315-01-344-6843
NIINs: 013446843, 016429401
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class2A A
thread_length0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
surface_finish63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
first_end_styleSQUARE
style_designatorSHOULDER
thread_directionRIGHT-HAND
first_step_length0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
third_step_length0.885 INCHES MINIMUM AND 0.915 INCHES MAXIMUM IN
first_end_locationTHREADED END
second_step_length0.218 INCHES NOMINAL IN
first_step_diameter0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
NSN5315-01-344-6843
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: DF330643 FIND 27 · 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
•
SURFACE FINISH: 63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
•
FIRST STEP DIAMETER: 0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
THIRD STEP DIAMETER: 0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
•
FIRST END STYLE: SQUARE
•
SECOND STEP LENGTH: 0.218 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
SURFACE FINISH63.0 MICROINCHES SHOULDER OUTSIDE DIAMETER
FIRST STEP DIAMETER0.373 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
THIRD STEP DIAMETER0.161 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
THREAD LENGTH0.660 INCHES MINIMUM AND 0.700 INCHES MAXIMUM IN
FIRST END STYLESQUARE
SECOND STEP LENGTH0.218 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
801-6408783 FIND 27Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is DF330643 FIND 27?
DF330643 FIND 27 is a PIN,SHOULDER,HEADLESS.
What parts can replace DF330643 FIND 27?
There is 1 known substitute for DF330643 FIND 27: 801-6408783 FIND 27. Substitute compatibility should be verified for your specific system.
What is the NSN for DF330643 FIND 27?
DF330643 FIND 27 is cataloged in the U.S. Government catalog under NSN 5315-01-344-6843. This indicates validated use in U.S. government and defense supply chains.
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