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PartsTable / MRO / A697
A697 ✓ 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

The CAPACITOR,FIXED,ELECTROLYTIC is a the manufacturer cache protection component designed to preserve data integrity during power loss events in enterprise server and storage controller environments. Key specifications include material: STEEL CORROSION RESISTING, nut_style: SLOTTED, HEXAGON, nut_height: 0.734 INCHES NOMINAL IN, keyway_type: STRAIGHT, hub_location: CENTER OF MOUNTING FLANGE, keyway_depth: 0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN. 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→ A697
NSN: 5310-00-189-4396
FSC: 5310
CAGE: 93343 — WHITE FARM EQUIPMENT CO SUB OF TIC INVESTMENT CORP
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
nut_styleSLOTTED, HEXAGON
nut_height0.734 INCHES NOMINAL IN
keyway_typeSTRAIGHT
hub_locationCENTER OF MOUNTING FLANGE
hub_quantity1
keyway_depth0.161 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
keyway_width0.312 INCHES NOMINAL IN
thread_class2B
keyway_length1.560 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
overall_width1.560 INCHES MINIMUM AND 1.562 INCHES MAXIMUM IN
thread_seriesUNF
NSN5310-00-189-4396
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A697 · 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
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
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 A697?
A697 is a CAPACITOR,FIXED,ELECTROLYTIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace A697?
There are 16 known substitutes for A697: A697, 2158AK, 8111B and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A697?
A697 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