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AD31972-3 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AD31972-3: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL, shank_length: 0.750 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.410 INCHES NOMINAL IN, overall_length: 2.160 INCHES NOMINAL IN, shank_diameter: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-034-7814, 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
AD31972-3
NSN: 5315-01-034-7814
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 304 OVERALL
shank_length0.750 INCHES NOMINAL IN
thread_class3A A
thread_length1.410 INCHES NOMINAL IN
overall_length2.160 INCHES NOMINAL IN
shank_diameter0.438 INCHES NOMINAL IN
first_end_styleCHAMFERED
second_end_styleSQUARE
style_designatorSHOULDER
thread_directionRIGHT-HAND
shoulder_diameter0.500 INCHES NOMINAL IN
first_end_locationTHREADED END
NSN5315-01-034-7814
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AD31972-3 · 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
•
SHANK DIAMETER: 0.438 INCHES NOMINAL IN
•
FIRST END TAPER LENGTH: 0.031 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
•
FIRST END LOCATION: THREADED END
•
HOLE ARRANGEMENT STYLE: DRILLED SHANK THREADED PIN
•
THREAD LENGTH: 1.410 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
FIRST HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
•
SHANK LENGTH: 0.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.438 INCHES NOMINAL IN
FIRST END TAPER LENGTH0.031 INCHES MINIMUM AND 0.063 INCHES MAXIMUM IN
FIRST END LOCATIONTHREADED END
HOLE ARRANGEMENT STYLEDRILLED SHANK THREADED PIN
THREAD LENGTH1.410 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
FIRST HOLE DIAMETER0.250 INCHES MINIMUM AND 0.252 INCHES MAXIMUM IN
SHANK LENGTH0.750 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
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 AD31972-3?
AD31972-3 is a PIN,SHOULDER,HEADLESS.
What is the NSN for AD31972-3?
AD31972-3 is cataloged in the U.S. Government catalog under NSN 5315-01-034-7814. This indicates validated use in U.S. government and defense supply chains.
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