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MS20253-4-4015 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS20253-4-4015: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include special_features: SURFACE TREATMENT: PASSIVATE OVERALL, pin_overall_length: 40.135 INCHES MINIMUM AND 40.165 INCHES MAXIMUM IN, pin_overall_diameter: 0.179 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-259-0335, 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
MS20253-4-4015
NSN: 5315-01-259-0335
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
special_featuresSURFACE TREATMENT: PASSIVATE OVERALL
pin_overall_length40.135 INCHES MINIMUM AND 40.165 INCHES MAXIMUM IN
pin_overall_diameter0.179 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
NSN5315-01-259-0335
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS20253-4-4015 · 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
•
PIN OVERALL DIAMETER: 0.179 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 40.135 INCHES MINIMUM AND 40.165 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
PIN OVERALL DIAMETER0.179 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN
PIN OVERALL LENGTH40.135 INCHES MINIMUM AND 40.165 INCHES MAXIMUM IN
SPECIAL FEATURESSURFACE TREATMENT: PASSIVATE 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 1
SAE-AS20253Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 MS20253-4-4015?
MS20253-4-4015 is a PIN,STRAIGHT,HEADLESS.
What parts can replace MS20253-4-4015?
There is 1 known substitute for MS20253-4-4015: SAE-AS20253. Substitute compatibility should be verified for your specific system.
What is the NSN for MS20253-4-4015?
MS20253-4-4015 is cataloged in the U.S. Government catalog under NSN 5315-01-259-0335. 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.