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4040T78P01 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

4040T78P01: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, hardness_rating: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-087-4308, 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
4040T78P01
NSN: 5310-01-087-4308
FSC: 5310 — Nuts and Washers
CAGE: 99207 — GENERAL ELECTRIC COMPANY DBA GE AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
hardness_rating25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
nominal_thread_size0.562 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch18
material_document_and_classificationAMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-087-4308
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 4040T78P01 · 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: 0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.562 INCHES IN
•
NUT HEIGHT: 0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.865 INCHES MINIMUM AND 0.877 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6370 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.562 INCHES IN
NUT HEIGHT0.245 INCHES MINIMUM AND 0.265 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH18
SUBSTITUTES & CROSS-REFERENCES 3
VE11568-9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4040T78P02Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
4040T78Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 4040T78P01?
4040T78P01 is a NUT,PLAIN,HEXAGON.
What parts can replace 4040T78P01?
There are 3 known substitutes for 4040T78P01: VE11568-9, 4040T78P02, 4040T78. Substitute compatibility should be verified for your specific system.
What is the NSN for 4040T78P01?
4040T78P01 is cataloged in the U.S. Government catalog under NSN 5310-01-087-4308. This indicates validated use in U.S. government and defense supply chains.
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