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RJ402NX1 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

RJ402NX1: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 2.500 INCHES NOMINAL IN, thread_class: 3B, nut_thickness: 1.000 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-064-7653, 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
RJ402NX1
NSN: 5310-00-064-7653
FSC: 5310 — Nuts and Washers
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter2.500 INCHES NOMINAL IN
thread_class3B
nut_thickness1.000 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
special_features12 SLOTS 0.250 IN. WIDE BY 0.265 IN. DEEP EQUALLY SPACED ACROSS THE 2 IN. FLAT SURFACE IN
thread_directionRIGHT-HAND
nominal_thread_size1.000 INCHES IN
counterbore_diameter1.125 INCHES NOMINAL NUT IN
nut_counterbore_depth0.265 INCHES MINIMUM AND 0.280 INCHES MAXIMUM NUT IN
thread_quantity_per_inch8
NSN5310-00-064-7653
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RJ402NX1 · 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: UNIFIED NATIONAL COARSE (UNC)
•
NUT COUNTERBORE DEPTH: 0.265 INCHES MINIMUM AND 0.280 INCHES MAXIMUM NUT IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.000 INCHES IN
•
NUT DIAMETER: 2.500 INCHES NOMINAL IN
•
COUNTERBORE DIAMETER: 1.125 INCHES NOMINAL NUT IN
•
NUT THICKNESS: 1.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NUT COUNTERBORE DEPTH0.265 INCHES MINIMUM AND 0.280 INCHES MAXIMUM NUT IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.000 INCHES IN
NUT DIAMETER2.500 INCHES NOMINAL IN
COUNTERBORE DIAMETER1.125 INCHES NOMINAL NUT IN
NUT THICKNESS1.000 INCHES NOMINAL IN
SPECIAL FEATURES12 SLOTS 0.250 IN. WIDE BY 0.265 IN. DEEP EQUALLY SPACED ACROSS THE 2 IN. FLAT SURFACE IN
NUT STYLEROUND
THREAD CLASS3B
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 1
H2372PC13Same 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 RJ402NX1?
RJ402NX1 is a NUT,PLAIN,ROUND.
What parts can replace RJ402NX1?
There is 1 known substitute for RJ402NX1: H2372PC13. Substitute compatibility should be verified for your specific system.
What is the NSN for RJ402NX1?
RJ402NX1 is cataloged in the U.S. Government catalog under NSN 5310-00-064-7653. 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.