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7HB340 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

7HB340: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 6.8 MILLIMETERS NOMINAL MM, thread_class: 6H, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-384-2536, 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
7HB340
NSN: 5310-01-384-2536
FSC: 5310 — Nuts and Washers
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height6.8 MILLIMETERS NOMINAL MM
thread_class6H
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats15.0 MILLIMETERS NOMINAL MM
nominal_thread_size1.250 INCHES IN
bearing_surface_typeCHAMFERED
end_item_identificationNSN 2330-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5; MRAP - M-ATV
thread_quantity_per_inch8
NSN5310-01-384-2536
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7HB340 · 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: 15.0 MILLIMETERS NOMINAL MM
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
NUT HEIGHT: 6.8 MILLIMETERS NOMINAL MM
•
SURFACE TREATMENT: ZINC OVERALL
•
INSIDE WIDTH ACROSS FLATS: 13.0 MILLIMETERS NOMINAL MM
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS15.0 MILLIMETERS NOMINAL MM
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
NUT HEIGHT6.8 MILLIMETERS NOMINAL MM
SURFACE TREATMENTZINC OVERALL
INSIDE WIDTH ACROSS FLATS13.0 MILLIMETERS NOMINAL MM
NUT STYLEHEXAGON
THREAD CLASS6H
END ITEM IDENTIFICATIONNSN 2330-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5; MRAP - M-ATV
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
N40X1075Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7HB340?
7HB340 is a NUT,PLAIN,HEXAGON.
What parts can replace 7HB340?
There is 1 known substitute for 7HB340: N40X1075. Substitute compatibility should be verified for your specific system.
What is the NSN for 7HB340?
7HB340 is cataloged in the U.S. Government catalog under NSN 5310-01-384-2536. This indicates validated use in U.S. government and defense supply chains.
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