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Technical Data Sheet
PartsTable / COMPONENT / 8261-4
8261-4 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: IRON OVERALL, duty_type: CONTINUOUS, storage_type: GENERAL PURPOSE WAREHOUSE, thread_class: 2B SINGLE MOUNTING FACILITY, cubic_measure: 2.343 CUBIC INCHES, overall_width: 1.250 INCHES NOMINAL 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 5305-00-451-1862, 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
8261-4
NSN: 5305-00-451-1862
FSC: 5305
CAGE: 02708 — AGE LOGISTICS CORPORATION (USA)
SPECIFICATIONS
materialIRON OVERALL
duty_typeCONTINUOUS
storage_typeGENERAL PURPOSE WAREHOUSE
thread_class2B SINGLE MOUNTING FACILITY
coil_quantity1
cubic_measure2.343 CUBIC INCHES
overall_width1.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.500 INCHES NOMINAL IN
overall_length1.250 INCHES NOMINAL IN
fragility_factorMODERATELY RUGGED
winding_quantity1
NSN5305-00-451-1862
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8261-4 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: MATL ST,QQ-S-624; 30.500 IN. LG; 4.062 IN. DIA; THREADS AT BOTH END; SINGLE LEAD TWO THREADS PER INCH RH 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)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMATL ST,QQ-S-624; 30.500 IN. LG; 4.062 IN. DIA; THREADS AT BOTH END; SINGLE LEAD TWO THREADS PER INCH RH IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
JR2220Interchangeable
interchangeable cross-reference
interchangeable
5945.659.5Interchangeable
interchangeable cross-reference
interchangeable
82614Interchangeable
interchangeable cross-reference
interchangeable
03-84-0037AInterchangeable
interchangeable cross-reference
interchangeable
B5798Interchangeable
interchangeable cross-reference
interchangeable
3604-8Interchangeable
36048
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8261-4?
8261-4 is a CAPACITOR,FIXED,MICA DIELECTRIC.
What parts can replace 8261-4?
There are 6 known substitutes for 8261-4: JR2220, 5945.659.5, 82614 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 8261-4?
8261-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-451-1862. 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