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2638703 — PIN,STRAIGHT,THREADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2638703: PIN,STRAIGHT,THREADED.

The PIN,STRAIGHT,THREADED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 630 OVERALL, thread_class: 2A A, thread_length: 0.470 INCHES NOMINAL IN, first_end_style: OVAL, pin_grip_length: 0.420 INCHES NOMINAL IN, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-472-5355, 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
2638703
NSN: 5315-01-472-5355
NIINs: 014725355, 014725359, 014725363
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 28527 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 630 OVERALL
thread_class2A A
thread_length0.470 INCHES NOMINAL IN
first_end_styleOVAL
pin_grip_length0.420 INCHES NOMINAL IN
second_end_styleSQUARE
special_featuresFIRST END IS 0.880 INCHES LONG AND CONNECTS TO SHOULDER IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
first_end_locationUNTHREADED END
pin_overall_length1.995 INCHES NOMINAL IN
nominal_thread_size0.313 INCHES IN
NSN5315-01-472-5355
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2638703 · 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
•
FIRST END LOCATION: UNTHREADED END
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SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.470 INCHES NOMINAL IN
•
FIRST END STYLE: OVAL
•
SUPPLEMENTARY FEATURES: SECOND END IS EXTERNALLY THREADED;HEXAGON SHAPED 0.388 INCHES DIAMETER AND .500 INCHES WIDTH BETWEEN FLATS;SHOULDER .880 INCHES FROM FIRST END 0.125 INCHES WIDE;SECOND STEP AFTER SHOULDER IS 0.42 INCHES WIDE, CHAMFERED .04 INCHES;CHAMFERED END CONNECTS TO SLIGHT GROOVE .06 INCHES WHICH CONNECTS TO THE EXTERNALLY THREADED END IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5643,CONDA, (17-4PH) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.3710 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 1.995 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END LOCATIONUNTHREADED END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.470 INCHES NOMINAL IN
FIRST END STYLEOVAL
SUPPLEMENTARY FEATURESSECOND END IS EXTERNALLY THREADED;HEXAGON SHAPED 0.388 INCHES DIAMETER AND .500 INCHES WIDTH BETWEEN FLATS;SHOULDER .880 INCHES FROM FIRST END 0.125 INCHES WIDE;SECOND STEP AFTER SHOULDER IS 0.42 INCHES WIDE, CHAMFERED .04 INCHES;CHAMFERED END CONNECTS TO SLIGHT GROOVE .06 INCHES WHICH CONNECTS TO THE EXTERNALLY THREADED END IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5643,CONDA, (17-4PH) ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.3710 INCHES NOMINAL IN
PIN OVERALL LENGTH1.995 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDNOT IDENTICAL
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 2638703?
2638703 is a PIN,STRAIGHT,THREADED.
What is the NSN for 2638703?
2638703 is cataloged in the U.S. Government catalog under NSN 5315-01-472-5355. This indicates validated use in U.S. government and defense supply chains.
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