PartsTable
Technical Data Sheet
879-027C ✓ 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 8740 OVERALL, nut_style: HEXAGON, nut_height: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, hardness_rating: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-268-6041, 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
879-027C
NSN: 5310-00-268-6041
FSC: 5310
CAGE: 79343 — ASRC FEDERAL FACILITIES LOGISTICS, LLC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
nut_styleHEXAGON
nut_height0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
hardness_rating19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
thread_directionRIGHT-HAND
countersink_angle85.0 DEGREES MINIMUM AND 95.0 DEGREES MAXIMUM NUT
surface_treatmentCADMIUM OVERALL
width_across_flats0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
nominal_thread_size0.375 INCHES IN
bearing_surface_typeWASHER FACED
NSN5310-00-268-6041
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 879-027C · 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
NUT STYLE: HEXAGON
NUT HEIGHT: 0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD SERIES: UNF
HARDNESS RATING: 19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH: 24
NOMINAL THREAD SIZE: 0.375 INCHES IN
BEARING SURFACE FINISH: 63.0 MICROINCHES
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
NUT HEIGHT0.318 INCHES MINIMUM AND 0.338 INCHES MAXIMUM IN
THREAD SERIESUNF
HARDNESS RATING19.0 ROCKWELL C MINIMUM AND 26.0 ROCKWELL C MAXIMUM
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.375 INCHES IN
BEARING SURFACE FINISH63.0 MICROINCHES
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 8740 OVERALL
THREAD CLASS3B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
0P1114Interchangeable
interchangeable cross-reference
interchangeable
2940Interchangeable
interchangeable cross-reference
interchangeable
4381Interchangeable
interchangeable cross-reference
interchangeable
609-1INInterchangeable
interchangeable cross-reference
interchangeable
0250Interchangeable
interchangeable cross-reference
interchangeable
370 1 IPSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 879-027C?
879-027C is a NUT,PLAIN,HEXAGON.
What parts can replace 879-027C?
There are 21 known substitutes for 879-027C: 0P1114, 2940, 4381 and 18 more. Substitute compatibility should be verified for your specific system.
Is 879-027C still available?
879-027C is currently cancelled.
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