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AS9390 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

AS9390: 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 5315-00-116-1527, 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
AS9390
NSN: 5315-00-116-1527
NIINs: 001161527, 001189040, 014644787
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
NSN5315-00-116-1527
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: AS9390 · 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
•
SURFACE FINISH: 32.0 MICROINCHES OVERALL
•
FIRST END STYLE: RADIUS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
PIN OVERALL DIAMETER: 0.18725 INCHES MINIMUM AND 0.18775 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.000 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
MATERIAL: IRON ALLOY 660 OVERALL
•
FIRST END CORNER RADIUS: 0.100 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES OVERALL
FIRST END STYLERADIUS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5732 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
PIN OVERALL DIAMETER0.18725 INCHES MINIMUM AND 0.18775 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.000 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
MATERIALIRON ALLOY 660 OVERALL
FIRST END CORNER RADIUS0.100 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
MS9390-340Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS9390-34Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE AS9390B-MS9390-340Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is AS9390?
AS9390 is a PIN,STRAIGHT,HEADLESS.
What parts can replace AS9390?
There are 3 known substitutes for AS9390: MS9390-340, MS9390-34, SAE AS9390B-MS9390-340. Substitute compatibility should be verified for your specific system.
What is the NSN for AS9390?
AS9390 is cataloged in the U.S. Government catalog under NSN 5315-00-116-1527. 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.