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MP1031904 — PIN,SHOULDER,HEADED

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MP1031904: PIN,SHOULDER,HEADED.

The PIN,SHOULDER,HEADED is a the manufacturer industrial component. Key specifications include height: 0.394 INCHES NOMINAL IN, material: STEEL COMP 4340 OVERALL, head_style: FLAT CHAMFER, first_end_style: CHAMFERED, style_designator: SHOULDER, first_step_length: 2.740 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-417-8593, 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
MP1031904
NSN: 5315-01-417-8593
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 2Y363 — IMI SERVICES USA INC (USA)
SPECIFICATIONS
height0.394 INCHES NOMINAL IN
materialSTEEL COMP 4340 OVERALL
head_styleFLAT CHAMFER
first_end_styleCHAMFERED
style_designatorSHOULDER
first_step_length2.740 INCHES NOMINAL IN
pin_head_diameter0.787 INCHES NOMINAL IN
under_head_length3.740 INCHES NOMINAL IN
second_step_length1.000 INCHES NOMINAL IN
first_step_diameter0.5899 INCHES MINIMUM AND 0.5904 INCHES MAXIMUM IN
second_step_diameter0.500 INCHES NOMINAL IN
first_end_taper_angle45.0 DEGREES NOMINAL
NSN5315-01-417-8593
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MP1031904 · 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 TAPER LENGTH: 0.040 INCHES NOMINAL IN
•
FIRST STEP DIAMETER: 0.5899 INCHES MINIMUM AND 0.5904 INCHES MAXIMUM IN
•
UNDER HEAD LENGTH: 3.740 INCHES NOMINAL IN
•
FIRST END STYLE: CHAMFERED
•
SECOND STEP LENGTH: 1.000 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SHOULDER
•
PIN HEAD DIAMETER: 0.787 INCHES NOMINAL IN
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.040 INCHES NOMINAL IN
FIRST STEP DIAMETER0.5899 INCHES MINIMUM AND 0.5904 INCHES MAXIMUM IN
UNDER HEAD LENGTH3.740 INCHES NOMINAL IN
FIRST END STYLECHAMFERED
SECOND STEP LENGTH1.000 INCHES NOMINAL IN
STYLE DESIGNATORSHOULDER
PIN HEAD DIAMETER0.787 INCHES NOMINAL IN
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
HEAD STYLEFLAT CHAMFER
SECOND STEP DIAMETER0.500 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MP1031904?
MP1031904 is a PIN,SHOULDER,HEADED.
What is the NSN for MP1031904?
MP1031904 is cataloged in the U.S. Government catalog under NSN 5315-01-417-8593. This indicates validated use in U.S. government and defense supply chains.
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