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GR531BN24 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

GR531BN24: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include nut_diameter: 4.200 INCHES NOMINAL IN, nut_thickness: 0.832 INCHES NOMINAL IN, special_features: 4 HOLES EQUALLY SPACED ON 3.440 BCD;EACH IS .397. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-400-0434, 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
GR531BN24
NSN: 5310-01-400-0434
FSC: 5310 — Nuts and Washers
CAGE: 26512 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
nut_diameter4.200 INCHES NOMINAL IN
nut_thickness0.832 INCHES NOMINAL IN
special_features4 HOLES EQUALLY SPACED ON 3.440 BCD;EACH IS .397
NSN5310-01-400-0434
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: GR531BN24 · 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 DIAMETER: 4.200 INCHES NOMINAL IN
•
NUT THICKNESS: 0.832 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
NUT DIAMETER4.200 INCHES NOMINAL IN
NUT THICKNESS0.832 INCHES NOMINAL IN
SPECIAL FEATURES4 HOLES EQUALLY SPACED ON 3.440 BCD;EACH IS .397
SUBSTITUTES & CROSS-REFERENCES 1
70420Reference 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 GR531BN24?
GR531BN24 is a NUT,PLAIN,ROUND.
What parts can replace GR531BN24?
There is 1 known substitute for GR531BN24: 70420. Substitute compatibility should be verified for your specific system.
What is the NSN for GR531BN24?
GR531BN24 is cataloged in the U.S. Government catalog under NSN 5310-01-400-0434. 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.