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4031075 — PIN,SHOULDER,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4031075: PIN,SHOULDER,HEADLESS.

The PIN,SHOULDER,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, thread_class: 2A A, thread_length: 0.240 INCHES NOMINAL IN, overall_length: 0.660 INCHES NOMINAL IN, first_end_style: ROUND, second_end_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-127-7205, 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
4031075
NSN: 5315-01-127-7205
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 07187 — HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
thread_class2A A
thread_length0.240 INCHES NOMINAL IN
overall_length0.660 INCHES NOMINAL IN
first_end_styleROUND
second_end_styleSQUARE
special_features0.088 IN. MIN,0.091 IN. MAX SECOND STEP SQUARED IN
style_designatorSHOULDER
thread_directionRIGHT-HAND
first_step_length0.040 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
third_step_length0.290 INCHES NOMINAL IN
NSN5315-01-127-7205
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4031075 · 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 STEP DIAMETER: 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
•
FIRST END LOCATION: LONG END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THIRD STEP DIAMETER: 0.086 INCHES NOMINAL IN
•
THREAD LENGTH: 0.240 INCHES NOMINAL IN
•
FIRST END STYLE: ROUND
•
SECOND STEP LENGTH: 0.050 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
TECHNICAL CHARACTERISTICS
FIRST STEP DIAMETER0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
FIRST END LOCATIONLONG END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TY 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THIRD STEP DIAMETER0.086 INCHES NOMINAL IN
THREAD LENGTH0.240 INCHES NOMINAL IN
FIRST END STYLEROUND
SECOND STEP LENGTH0.050 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.660 INCHES NOMINAL IN
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 1
10122969Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 4031075?
4031075 is a PIN,SHOULDER,HEADLESS.
What parts can replace 4031075?
There is 1 known substitute for 4031075: 10122969. Substitute compatibility should be verified for your specific system.
What is the NSN for 4031075?
4031075 is cataloged in the U.S. Government catalog under NSN 5315-01-127-7205. This indicates validated use in U.S. government and defense supply chains.
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