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427347 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

427347: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: WIRE, usage_design: EXTERNAL, inside_diameter: 2.250 INCHES NOMINAL IN, major_thickness: 0.058 INCHES NOMINAL IN, outside_diameter: 2.563 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-042-7347, 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
427347
NSN: 5310-00-042-7347
NIINs: 000427347, 002816661
FSC: 5310 — Nuts and Washers
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL
ring_styleWIRE
usage_designEXTERNAL
inside_diameter2.250 INCHES NOMINAL IN
major_thickness0.058 INCHES NOMINAL IN
outside_diameter2.563 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleRECTANGULAR
NSN5310-00-042-7347
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 427347 · 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
•
WIDTH ACROSS FLATS: 0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
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THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
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THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.625 INCHES IN
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NONDEFINITIVE SPEC/STD DATA: A TYPE
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NUT HEIGHT: 0.337 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
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SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
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NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.969 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.625 INCHES IN
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.337 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
THREAD QUANTITY PER INCH11
SUBSTITUTES & CROSS-REFERENCES 1
MILB857TYPEAReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 427347?
427347 is a NUT,PLAIN,HEXAGON.
What parts can replace 427347?
There is 1 known substitute for 427347: MILB857TYPEA. Substitute compatibility should be verified for your specific system.
What is the NSN for 427347?
427347 is cataloged in the U.S. Government catalog under NSN 5310-00-042-7347. 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.