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3017049 — NUT,SPECIAL

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3017049: NUT,SPECIAL.

The NUT,SPECIAL is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, thread_class: 2A A, fastener_length: 2.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, primary_washer_style: FLAT, nominal_thread_diameter: 0.438 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-210-3758, 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
3017049
NSN: 5310-00-210-3758
NIINs: 002103758, 011458358
FSC: 5310 — Nuts and Washers
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
head_styleHEXAGON
thread_class2A A
fastener_length2.000 INCHES NOMINAL IN
washer_quantity1
thread_directionRIGHT-HAND
primary_washer_styleFLAT
nominal_thread_diameter0.438 INCHES IN
thread_quantity_per_inch14
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5310-00-210-3758
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3017049 · 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
SUBSTITUTES & CROSS-REFERENCES 1
1048939Same 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 3017049?
3017049 is a NUT,SPECIAL.
What parts can replace 3017049?
There is 1 known substitute for 3017049: 1048939. Substitute compatibility should be verified for your specific system.
What is the NSN for 3017049?
3017049 is cataloged in the U.S. Government catalog under NSN 5310-00-210-3758. 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.