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3237-7744-002 — NUT,PLAIN,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

3237-7744-002: NUT,PLAIN,CLINCH.

The NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL AND STEEL COMP 4130 OVERALL, nut_style: CLINCH, nut_height: 0.273 INCHES NOMINAL IN, nut_diameter: 0.375 INCHES NOMINAL IN, pilot_length: 0.080 INCHES NOMINAL IN, thread_class: 3B. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-003-9399, 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
3237-7744-002
NSN: 5310-00-003-9399
FSC: 5310 — Nuts and Washers
CAGE: 80378 — TRIUMPH AEROSTRUCTURES, LLC DBA TRIUMPH AEROSTRUCTURES - VOUGHT INTEGRATED PROGRAMS DIVISION (USA)
SPECIFICATIONS
materialSTEEL AND STEEL COMP 4130 OVERALL
nut_styleCLINCH
nut_height0.273 INCHES NOMINAL IN
nut_diameter0.375 INCHES NOMINAL IN
pilot_length0.080 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
pilot_diameter0.312 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFLOATING NUT
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.190 INCHES IN
NSN5310-00-003-9399
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3237-7744-002 · 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: QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNF
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6350 ASSN STD 2ND MATERIAL RESPONSE NUT
•
NUT COUNTERBORE DEPTH: 0.063 INCHES MINIMUM NUT IN
•
FEATURES PROVIDED: FLOATING NUT
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
NUT DIAMETER: 0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNF
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6350 ASSN STD 2ND MATERIAL RESPONSE NUT
NUT COUNTERBORE DEPTH0.063 INCHES MINIMUM NUT IN
FEATURES PROVIDEDFLOATING NUT
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
NUT DIAMETER0.375 INCHES NOMINAL IN
COUNTERBORE DIAMETER0.229 INCHES MAXIMUM NUT IN
PILOT DIAMETER0.312 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.
5310-00-001-5340 5310-00-004-4584 5310-00-004-5157 5310-00-004-7045 5310-00-004-7046 5310-00-005-4375 5310-00-006-8067 5310-00-007-2907
SUBSTITUTES & CROSS-REFERENCES 1
NS102520-02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 3237-7744-002?
3237-7744-002 is a NUT,PLAIN,CLINCH.
What parts can replace 3237-7744-002?
There is 1 known substitute for 3237-7744-002: NS102520-02. Substitute compatibility should be verified for your specific system.
What is the NSN for 3237-7744-002?
3237-7744-002 is cataloged in the U.S. Government catalog under NSN 5310-00-003-9399. 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.