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MS20253P5-178 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS20253P5-178: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 AND STEEL COMP 302 AND STEEL COMP 316 OVERALL, first_end_style: CHAMFERED, surface_treatment: CADMIUM OVERALL, pin_overall_length: 1.780 INCHES NOMINAL IN, pin_overall_diameter: 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN, first_end_taper_angle: 45.0 DEGREES NOMINAL. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-724-0731, 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
MS20253P5-178
NSN: 5315-01-724-0731
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL COMP 304 AND STEEL COMP 302 AND STEEL COMP 316 OVERALL
first_end_styleCHAMFERED
surface_treatmentCADMIUM OVERALL
pin_overall_length1.780 INCHES NOMINAL IN
pin_overall_diameter0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
first_end_taper_angle45.0 DEGREES NOMINAL
first_end_taper_length0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
end_item_identificationF-15EX
specification/standard_data0U583-AS20253 INTERNATIONAL STD/SPEC
material_document_and_classificationASTM A313, CLASS 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
part_name_assigned_by_controlling_agencyPIN, HINGE, CORROSION RESISTANT STEEL
NSN5315-01-724-0731
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS20253P5-178 · 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: 0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A313, CLASS 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 45.0 DEGREES NOMINAL
•
PIN OVERALL DIAMETER: 0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.780 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
FIRST END TAPER LENGTH0.010 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS-QQ-P-416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECHAMFERED
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A313, CLASS 1 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE45.0 DEGREES NOMINAL
PIN OVERALL DIAMETER0.128 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.780 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIFICATION/STANDARD DATA0U583-AS20253 INTERNATIONAL STD/SPEC
SURFACE TREATMENTCADMIUM 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MS20253P5-178?
MS20253P5-178 is a PIN,STRAIGHT,HEADLESS.
What is the NSN for MS20253P5-178?
MS20253P5-178 is cataloged in the U.S. Government catalog under NSN 5315-01-724-0731. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.