PartsTable
Technical Data Sheet
Download PDF

MS9390-651 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

MS9390-651: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, first_end_style: RADIUS, pin_overall_length: 0.375 INCHES NOMINAL IN, pin_overall_diameter: 0.3768 INCHES MINIMUM AND 0.3773 INCHES MAXIMUM IN, first_end_corner_radius: 0.100 INCHES NOMINAL IN, specification/standard_data: 81343-AS9390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-464-4787, 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
MS9390-651
NSN: 5315-01-464-4787
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
first_end_styleRADIUS
pin_overall_length0.375 INCHES NOMINAL IN
pin_overall_diameter0.3768 INCHES MINIMUM AND 0.3773 INCHES MAXIMUM IN
first_end_corner_radius0.100 INCHES NOMINAL IN
specification/standard_data81343-AS9390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
second_end_relationship_with_first_endIDENTICAL
NSN5315-01-464-4787
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: MS9390-651 · 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 STYLE: RADIUS
•
PIN OVERALL DIAMETER: 0.3768 INCHES MINIMUM AND 0.3773 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 0.375 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
SPECIFICATION/STANDARD DATA: 81343-AS9390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: IRON ALLOY 660 OVERALL
•
FIRST END CORNER RADIUS: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FIRST END STYLERADIUS
PIN OVERALL DIAMETER0.3768 INCHES MINIMUM AND 0.3773 INCHES MAXIMUM IN
PIN OVERALL LENGTH0.375 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
SPECIFICATION/STANDARD DATA81343-AS9390 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALIRON ALLOY 660 OVERALL
FIRST END CORNER RADIUS0.100 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
AS9390Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy MS9390-651?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is MS9390-651?
MS9390-651 is a PIN,STRAIGHT,HEADLESS.
What parts can replace MS9390-651?
There is 1 known substitute for MS9390-651: AS9390. Substitute compatibility should be verified for your specific system.
What is the NSN for MS9390-651?
MS9390-651 is cataloged in the U.S. Government catalog under NSN 5315-01-464-4787. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — MS9390-651

✓ 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.