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4001863 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4001863: 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: 5.895 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNJS, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-377-4140, 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
4001863
NSN: 5310-00-377-4140
NIINs: 003774140, 015486385
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleROUND
nut_diameter5.895 INCHES NOMINAL IN
thread_class3B
thread_seriesUNJS
thread_directionRIGHT-HAND
nominal_thread_size5.0625 INCHES IN
drive_point_quantity10
thread_quantity_per_inch16
material_document_and_classificationAMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-377-4140
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4001863 · 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: UNJS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 5.0625 INCHES IN
•
NUT DIAMETER: 5.895 INCHES NOMINAL IN
•
DRIVE POINT QUANTITY: 10
•
NUT STYLE: ROUND
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
THREAD SERIESUNJS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE5.0625 INCHES IN
NUT DIAMETER5.895 INCHES NOMINAL IN
DRIVE POINT QUANTITY10
NUT STYLEROUND
THREAD CLASS3B
THREAD QUANTITY PER INCH16
MATERIALSTEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
5310PL0723168Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4001863?
4001863 is a NUT,PLAIN,ROUND.
What parts can replace 4001863?
There is 1 known substitute for 4001863: 5310PL0723168. Substitute compatibility should be verified for your specific system.
What is the NSN for 4001863?
4001863 is cataloged in the U.S. Government catalog under NSN 5310-00-377-4140. 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.