PartsTable
Technical Data Sheet
031056 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1144 OVERALL, nut_style: HEXAGON, nut_height: 1.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNS, hardness_rating: 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-268-7278, 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
031056
NSN: 5310-00-268-7278
FSC: 5310
CAGE: 89926 — NEW HOLLAND CONSTRUCTION (USA)
SPECIFICATIONS
materialSTEEL COMP 1144 OVERALL
nut_styleHEXAGON
nut_height1.312 INCHES NOMINAL IN
thread_class3B
thread_seriesUNS
hardness_rating27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
width_across_flats1.500 INCHES NOMINAL IN
nominal_thread_size1.000 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch14
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-268-7278
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 031056 · 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
THREAD SERIES: UNS
NOMINAL THREAD SIZE: 1.000 INCHES IN
HARDNESS RATING: 27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH: 14
BEARING SURFACE TYPE: WASHER FACED
THREAD CLASS: 3B
MATERIAL: STEEL COMP 1144 OVERALL
WIDTH ACROSS FLATS: 1.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNS
NOMINAL THREAD SIZE1.000 INCHES IN
HARDNESS RATING27.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH14
BEARING SURFACE TYPEWASHER FACED
THREAD CLASS3B
MATERIALSTEEL COMP 1144 OVERALL
WIDTH ACROSS FLATS1.500 INCHES NOMINAL IN
NUT STYLEHEXAGON
NUT HEIGHT1.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
31-056Interchangeable
interchangeable cross-reference
interchangeable
24-052Interchangeable
interchangeable cross-reference
interchangeable
31-024Interchangeable
interchangeable cross-reference
interchangeable
183-54-1-8PC2332Interchangeable
interchangeable cross-reference
interchangeable
1218-616-8LN360Interchangeable
interchangeable cross-reference
interchangeable
1385500 PC C6-LR6-SR6-FR1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 031056?
031056 is a NUT,PLAIN,HEXAGON.
What parts can replace 031056?
There are 10 known substitutes for 031056: 31-056, 24-052, 31-024 and 7 more. Substitute compatibility should be verified for your specific system.
Is 031056 still available?
031056 is currently cancelled.
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