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PartsTable / MRO / A679
A679 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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

SCREWDRIVER ATTACHMENT,SOCKET WR. Key specifications include material: GLASS CASE, end_style: SPRING END,SQUARED AND GROUND BOTH ENDS, nut_style: SLOTTED, HEXAGON, body_style: TUBE TYPE, nut_height: 0.734 INCHES NOMINAL IN, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-4396, 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
MRO→ MRO_GENERAL→ A679
NSN: 5310-00-189-4396
FSC: 5310
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialGLASS CASE
end_styleSPRING END,SQUARED AND GROUND BOTH ENDS
nut_styleSLOTTED, HEXAGON
body_styleTUBE TYPE
nut_height0.734 INCHES NOMINAL IN
thread_class2B
physical_formCRYSTAL
thread_seriesUNF
overall_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
inside_diameter0.625 INCHES NOMINAL IN
overall_diameter0.246 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
style_designatorCYLINDRICAL
NSN5310-00-189-4396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A679 · 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 DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
THREAD SERIES: UNF
•
BEARING SURFACE TYPE: WASHER FACED
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NUT STYLE: SLOTTED, HEXAGON
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD SERIESUNF
BEARING SURFACE TYPEWASHER FACED
THREAD QUANTITY PER INCH12
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
MATERIALSTEEL COMP 1212 OVERALL
THREAD CLASS2B
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
A697Interchangeable
interchangeable cross-reference
interchangeable
2158AKInterchangeable
interchangeable cross-reference
interchangeable
8111BInterchangeable
interchangeable cross-reference
interchangeable
0C265Interchangeable
interchangeable cross-reference
interchangeable
A679Interchangeable
interchangeable cross-reference
interchangeable
3452Interchangeable
IBM HD SAS YO Cable 6M
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A679?
A679 is a SCREWDRIVER ATTACHMENT,SOCKET WR. It is classified as a MRO (MRO_GENERAL).
What parts can replace A679?
There are 16 known substitutes for A679: A697, 2158AK, 8111B and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A679?
A679 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-189-4396. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026