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1668M5 — PIN,STRAIGHT,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1668M5: PIN,STRAIGHT,THREADED.

The PIN,STRAIGHT,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1144 OVERALL, thread_class: 3A A, thread_length: 0.562 INCHES NOMINAL IN, surface_finish: 20.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, pin_grip_length: 7.719 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-00-753-9320, 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
1668M5
NSN: 5315-00-753-9320
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL COMP 1144 OVERALL
thread_class3A A
thread_length0.562 INCHES NOMINAL IN
surface_finish20.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
pin_grip_length7.719 INCHES NOMINAL IN
second_end_styleSLOTTED
special_featuresONE GROOVE 0.048 IN. MIN 0.051 IN. MAX WIDE,0.384 IN. MIN 0.392 IN. MAX DIA IN
thread_directionRIGHT-HAND
surface_treatmentTIN OVERALL
first_end_locationTHREADED END
pin_overall_length8.281 INCHES NOMINAL IN
NSN5315-00-753-9320
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1668M5 · 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: 20.0 MICROINCHES OVERALL
•
FIRST END TAPER LENGTH: 0.016 INCHES NOMINAL IN
•
FIRST END LOCATION: THREADED END
•
THREAD LENGTH: 0.562 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.4350 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 8.281 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH20.0 MICROINCHES OVERALL
FIRST END TAPER LENGTH0.016 INCHES NOMINAL IN
FIRST END LOCATIONTHREADED END
THREAD LENGTH0.562 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.4350 INCHES MINIMUM AND 0.4360 INCHES MAXIMUM IN
PIN OVERALL LENGTH8.281 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
SECOND END SLOT DEPTH0.094 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
914266Reference document
Same NSN cross-reference
Reference document — Secondary reference
C12848EReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1668M5?
1668M5 is a PIN,STRAIGHT,THREADED.
What parts can replace 1668M5?
There are 2 known substitutes for 1668M5: 914266, C12848E. Substitute compatibility should be verified for your specific system.
What is the NSN for 1668M5?
1668M5 is cataloged in the U.S. Government catalog under NSN 5315-00-753-9320. This indicates validated use in U.S. government and defense supply chains.
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