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7378202 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7378202: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-021-3549, 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
7378202
NSN: 5310-00-021-3549
FSC: 5310 — Nuts and Washers
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentLEAD OVERALL
width_across_flats0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch16
nondefinitive_spec/std_dataA TYPE
NSN5310-00-021-3549
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7378202 · 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: 0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY HEIGHT RQMT
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
NUT HEIGHT: 0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
•
SURFACE TREATMENT: LEAD OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.5510 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY HEIGHT RQMT
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.398 INCHES MINIMUM AND 0.415 INCHES MAXIMUM IN
SURFACE TREATMENTLEAD OVERALL
NUT STYLEHEXAGON
THREAD CLASS2B
SUBSTITUTES & CROSS-REFERENCES 2
213549Reference document
Same NSN cross-reference
Reference document — Secondary reference
FFB571TYPEAReference 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 7378202?
7378202 is a NUT,PLAIN,HEXAGON.
What parts can replace 7378202?
There are 2 known substitutes for 7378202: 213549, FFB571TYPEA. Substitute compatibility should be verified for your specific system.
What is the NSN for 7378202?
7378202 is cataloged in the U.S. Government catalog under NSN 5310-00-021-3549. This indicates validated use in U.S. government and defense supply chains.
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