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7T0383 — NUT,PLAIN,ROUND

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7T0383: NUT,PLAIN,ROUND.

The NUT,PLAIN,ROUND is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4340 OVERALL, nut_style: ROUND, nut_diameter: 2.020 INCHES NOMINAL IN, thread_class: 2B, nut_thickness: 0.302 INCHES NOMINAL IN, thread_series: UNIFIED NATIONAL JOINT (UNJ). This part is cataloged in the U.S.

Government catalog under NSN 5310-01-388-7953, 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
7T0383
NSN: 5310-01-388-7953
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL COMP 4340 OVERALL
nut_styleROUND
nut_diameter2.020 INCHES NOMINAL IN
thread_class2B
nut_thickness0.302 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT (UNJ)
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
flange_thickness0.139 INCHES NOMINAL IN
thread_directionRIGHT-HAND
drive_point_depth0.108 INCHES NOMINAL IN
drive_point_width0.708 INCHES NOMINAL IN
surface_treatmentPHOSPHATE OVERALL
NSN5310-01-388-7953
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7T0383 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FLANGE THICKNESS: 0.139 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT (UNJ)
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
DRIVE POINT WIDTH: 0.708 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.750 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-P-16232 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
FLANGE THICKNESS0.139 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL JOINT (UNJ)
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
DRIVE POINT WIDTH0.708 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.750 INCHES IN
NUT DIAMETER2.020 INCHES NOMINAL IN
DRIVE POINT DEPTH0.108 INCHES NOMINAL 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

No substitute or cross-reference records for this part.

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 7T0383?
7T0383 is a NUT,PLAIN,ROUND.
What is the NSN for 7T0383?
7T0383 is cataloged in the U.S. Government catalog under NSN 5310-01-388-7953. This indicates validated use in U.S. government and defense supply chains.
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