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C249669 — NUT,PLAIN,BARREL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

C249669: NUT,PLAIN,BARREL.

The NUT,PLAIN,BARREL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: PLAIN BARREL, nut_length: 0.500 INCHES NOMINAL IN, nut_diameter: 1.000 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-979-8463, 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
C249669
NSN: 5310-00-979-8463
FSC: 5310 — Nuts and Washers
CAGE: 06845 — RAYTHEON COMPANY DBA RAYTHEON CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_stylePLAIN BARREL
nut_length0.500 INCHES NOMINAL IN
nut_diameter1.000 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentNICKEL OVERALL
nominal_thread_size0.138 INCHES IN
drilled_hole_diameter0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
hole_type_and_quantity1 DRILLED
hole_configuration_styleCONFIGURATION F
NSN5310-00-979-8463
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C249669 · 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
•
NUT LENGTH: 0.500 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
HOLE CONFIGURATION STYLE: CONFIGURATION F
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.138 INCHES IN
•
NUT DIAMETER: 1.000 INCHES NOMINAL IN
•
DRILLED HOLE DIAMETER: 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
•
SURFACE TREATMENT: NICKEL OVERALL
TECHNICAL CHARACTERISTICS
NUT LENGTH0.500 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
HOLE CONFIGURATION STYLECONFIGURATION F
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
NUT DIAMETER1.000 INCHES NOMINAL IN
DRILLED HOLE DIAMETER0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN
SURFACE TREATMENTNICKEL OVERALL
NUT STYLEPLAIN BARREL
THREAD CLASS2B
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 C249669?
C249669 is a NUT,PLAIN,BARREL.
What is the NSN for C249669?
C249669 is cataloged in the U.S. Government catalog under NSN 5310-00-979-8463. 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.