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FCC15667-2 — NUT,PLAIN,SPLINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FCC15667-2: NUT,PLAIN,SPLINE.

The NUT,PLAIN,SPLINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SPLINE, nut_height: 0.505 INCHES NOMINAL IN, nut_diameter: 0.438 INCHES NOMINAL IN, pilot_length: 0.250 INCHES NOMINAL IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-330-8347, 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
FCC15667-2
NSN: 5310-00-330-8347
FSC: 5310 — Nuts and Washers
CAGE: 05476 — AMERICAN FUEL CELL AND COATED FABRICS COMPANY, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSPLINE
nut_height0.505 INCHES NOMINAL IN
nut_diameter0.438 INCHES NOMINAL IN
pilot_length0.250 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
pilot_diameter0.318 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_size0.190 INCHES IN
thread_quantity_per_inch32
NSN5310-00-330-8347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FCC15667-2 · 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
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT DIAMETER: 0.438 INCHES NOMINAL IN
•
PILOT DIAMETER: 0.318 INCHES NOMINAL IN
•
PILOT LENGTH: 0.250 INCHES NOMINAL IN
•
NUT HEIGHT: 0.505 INCHES NOMINAL IN
•
NUT STYLE: SPLINE
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT DIAMETER0.438 INCHES NOMINAL IN
PILOT DIAMETER0.318 INCHES NOMINAL IN
PILOT LENGTH0.250 INCHES NOMINAL IN
NUT HEIGHT0.505 INCHES NOMINAL IN
NUT STYLESPLINE
THREAD CLASS3B
THREAD QUANTITY PER INCH32
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
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 FCC15667-2?
FCC15667-2 is a NUT,PLAIN,SPLINE.
What is the NSN for FCC15667-2?
FCC15667-2 is cataloged in the U.S. Government catalog under NSN 5310-00-330-8347. 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.