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674813-2 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

674813-2: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: ROUND, nut_diameter: 0.328 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.051 INCHES NOMINAL IN, thread_series: UNF. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-346-3129, 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
674813-2
NSN: 5310-00-346-3129
FSC: 5310 — Nuts and Washers
CAGE: 06481 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleROUND
nut_diameter0.328 INCHES NOMINAL IN
thread_class2B
nut_thickness0.051 INCHES NOMINAL IN
thread_seriesUNF
special_features3 FILLETS 0.028 IN. MAX RADIUS ON PERIPHERY IN
thread_directionRIGHT-HAND
nominal_thread_size0.060 INCHES IN
thread_quantity_per_inch80
NSN5310-00-346-3129
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 674813-2 · 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: 0.060 INCHES IN
•
NUT DIAMETER: 0.328 INCHES NOMINAL IN
•
NUT THICKNESS: 0.051 INCHES NOMINAL IN
•
NUT STYLE: ROUND
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.060 INCHES IN
NUT DIAMETER0.328 INCHES NOMINAL IN
NUT THICKNESS0.051 INCHES NOMINAL IN
SPECIAL FEATURES3 FILLETS 0.028 IN. MAX RADIUS ON PERIPHERY IN
NUT STYLEROUND
THREAD CLASS2B
THREAD QUANTITY PER INCH80
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
674813-0002Reference document
Same NSN cross-reference
Reference document — Secondary reference
674813-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 674813-2?
674813-2 is a NUT,PLAIN,ROUND.
What parts can replace 674813-2?
There are 2 known substitutes for 674813-2: 674813-0002, 674813-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 674813-2?
674813-2 is cataloged in the U.S. Government catalog under NSN 5310-00-346-3129. 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.