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74A501252-2003 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

74A501252-2003: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, thread_class: 3A A, thread_length: 0.835 INCHES NOMINAL IN, surface_finish: 32.0 MICROINCHES OVERALL, first_end_style: CHAMFERED, second_end_style: COUNTERBORED W/O THRU HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-197-8211, 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
74A501252-2003
NSN: 5315-01-197-8211
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
thread_class3A A
thread_length0.835 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES OVERALL
first_end_styleCHAMFERED
second_end_styleCOUNTERBORED W/O THRU HOLE
special_featuresDRY FILM LUBRICANT
style_designatorSHOULDER
thread_directionRIGHT-HAND
first_step_length0.950 INCHES NOMINAL IN
third_step_length0.900 INCHES NOMINAL IN
first_end_locationTHREADED END
NSN5315-01-197-8211
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 74A501252-2003 · 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: 32.0 MICROINCHES OVERALL
•
FIRST END TAPER LENGTH: 0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
•
FIRST STEP DIAMETER: 0.8585 INCHES MINIMUM AND 0.8590 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
THIRD STEP DIAMETER: 0.500 INCHES NOMINAL IN
•
THREAD LENGTH: 0.835 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
SECOND STEP LENGTH: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OVERALL
FIRST END TAPER LENGTH0.060 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
FIRST STEP DIAMETER0.8585 INCHES MINIMUM AND 0.8590 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
THIRD STEP DIAMETER0.500 INCHES NOMINAL IN
THREAD LENGTH0.835 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
SECOND STEP LENGTH1.250 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
10123208Reference document
Same NSN cross-reference
Reference document — Informative reference only
3M1093-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 74A501252-2003?
74A501252-2003 is a PIN,SHOULDER,HEADLESS.
What parts can replace 74A501252-2003?
There are 2 known substitutes for 74A501252-2003: 10123208, 3M1093-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 74A501252-2003?
74A501252-2003 is cataloged in the U.S. Government catalog under NSN 5315-01-197-8211. This indicates validated use in U.S. government and defense supply chains.
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