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4001883 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4001883: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: ROUND, nut_diameter: 1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN, thread_class: 3B, nut_thickness: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-367-8696, 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
4001883
NSN: 5310-00-367-8696
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleROUND
nut_diameter1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN
thread_class3B
nut_thickness0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT (UNJ)
hardness_rating35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
drive_point_depth0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
drive_point_width0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
precious_materialSILVER
NSN5310-00-367-8696
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4001883 · 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 JOINT (UNJ)
•
PRECIOUS MATERIAL: SILVER
•
HARDNESS RATING: 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NUT COUNTERBORE DEPTH: 0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM NUT IN
•
DRIVE POINT WIDTH: 0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.938 INCHES IN
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
PRECIOUS MATERIALSILVER
HARDNESS RATING35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6415 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH0.110 INCHES MINIMUM AND 0.130 INCHES MAXIMUM NUT IN
DRIVE POINT WIDTH0.105 INCHES MINIMUM AND 0.115 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.938 INCHES IN
NUT DIAMETER1.270 INCHES MINIMUM AND 1.290 INCHES MAXIMUM IN
COUNTERBORE DIAMETER0.960 INCHES MINIMUM AND 0.980 INCHES MAXIMUM NUT IN
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
5310PL0721335Reference 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 4001883?
4001883 is a NUT,PLAIN,ROUND.
What parts can replace 4001883?
There is 1 known substitute for 4001883: 5310PL0721335. Substitute compatibility should be verified for your specific system.
What is the NSN for 4001883?
4001883 is cataloged in the U.S. Government catalog under NSN 5310-00-367-8696. This indicates validated use in U.S. government and defense supply chains.
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