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98381A623 — PIN,STRAIGHT,HEADLESS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

98381A623: PIN,STRAIGHT,HEADLESS.

The PIN,STRAIGHT,HEADLESS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, first_end_style: RADIUS, second_end_style: SQUARE, pin_overall_length: 0.875 INCHES NOMINAL IN, pin_overall_diameter: 0.375 INCHES NOMINAL IN, end_item_identification: KC-46A SE A. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-657-2221, 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
98381A623
NSN: 5315-01-657-2221
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
first_end_styleRADIUS
second_end_styleSQUARE
pin_overall_length0.875 INCHES NOMINAL IN
pin_overall_diameter0.375 INCHES NOMINAL IN
end_item_identificationKC-46A SE A
part_name_assigned_by_controlling_agencyPIN,DOWEL
NSN5315-01-657-2221
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 98381A623 · 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: 0.375 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 0.875 INCHES NOMINAL IN
•
SECOND END STYLE: SQUARE
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FIRST END STYLERADIUS
PIN OVERALL DIAMETER0.375 INCHES NOMINAL IN
PIN OVERALL LENGTH0.875 INCHES NOMINAL IN
SECOND END STYLESQUARE
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN,DOWEL
END ITEM IDENTIFICATIONKC-46A SE A
MATERIALSTEEL 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
A27125-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 98381A623?
98381A623 is a PIN,STRAIGHT,HEADLESS.
What parts can replace 98381A623?
There is 1 known substitute for 98381A623: A27125-9. Substitute compatibility should be verified for your specific system.
What is the NSN for 98381A623?
98381A623 is cataloged in the U.S. Government catalog under NSN 5315-01-657-2221. 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.