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P400264 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

P400264: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1045 OVERALL, nut_style: HEXAGON, nut_height: 0.710 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, width_across_flats: 2.500 INCHES NOMINAL IN, nominal_thread_size: 42.0 MILLIMETERS MM. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-178-1480, 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
P400264
NSN: 5310-01-178-1480
FSC: 5310 — Nuts and Washers
CAGE: 7PZX0 — FAIRBANKS MORSE, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 1045 OVERALL
nut_styleHEXAGON
nut_height0.710 INCHES NOMINAL IN
thread_seriesM
thread_directionRIGHT-HAND
width_across_flats2.500 INCHES NOMINAL IN
nominal_thread_size42.0 MILLIMETERS MM
bearing_surface_typeCHAMFERED
thread_pitch_in_millimeters2.00
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-178-1480
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: P400264 · 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: 2.500 INCHES NOMINAL IN
•
THREAD SERIES: M
•
THREAD PITCH IN MILLIMETERS: 2.00
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 42.0 MILLIMETERS MM
•
NUT HEIGHT: 0.710 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.500 INCHES NOMINAL IN
THREAD SERIESM
THREAD PITCH IN MILLIMETERS2.00
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE42.0 MILLIMETERS MM
NUT HEIGHT0.710 INCHES NOMINAL IN
NUT STYLEHEXAGON
MATERIALSTEEL COMP 1045 OVERALL
BEARING SURFACE TYPECHAMFERED
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P400264?
P400264 is a NUT,PLAIN,HEXAGON.
What is the NSN for P400264?
P400264 is cataloged in the U.S. Government catalog under NSN 5310-01-178-1480. 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.