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Technical Data Sheet
PartsTable / MRO / F177
F177 ✓ 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

CAPACITOR,FIXED,MICA DIELECTRIC. Key specifications include material: PLASTIC CASE, nut_style: ROUND, body_style: W/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE, body_width: 0.330 INCHES MAXIMUM IN, body_height: 0.100 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN, body_length: 0.300 INCHES MINIMUM AND 0.360 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 5310-00-753-8351, 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→ F177
NSN: 5310-00-753-8351
FSC: 5310
CAGE: 63857 — CIRCOR NAVAL SOLUTIONS LLC DBA WARREN PUMPS (USA)
SPECIFICATIONS
materialPLASTIC CASE
nut_styleROUND
body_styleW/O MTG FACILITIES TERMINAL(S) ON ONE SURFACE
body_width0.330 INCHES MAXIMUM IN
body_height0.100 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
body_length0.300 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
nut_diameter2.500 INCHES NOMINAL IN
thread_class2B
nut_thickness0.625 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
terminal_length1.000 INCHES MINIMUM IN
thread_directionRIGHT-HAND
NSN5310-00-753-8351
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F177 · 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
•
DRIVE POINT QUANTITY: 2
•
NOMINAL THREAD SIZE: 0.312 INCHES IN
•
NUT DIAMETER: 2.500 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 18
•
NUT STYLE: ROUND
•
DRIVE POINT DIAMETER: 0.313 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
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)
DRIVE POINT QUANTITY2
NOMINAL THREAD SIZE0.312 INCHES IN
NUT DIAMETER2.500 INCHES NOMINAL IN
THREAD CLASS2B
THREAD QUANTITY PER INCH18
NUT STYLEROUND
DRIVE POINT DIAMETER0.313 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
DRIVE POINT DEPTH0.313 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
MS35338-86Interchangeable
interchangeable cross-reference
interchangeable
MS35338-143Interchangeable
interchangeable cross-reference
interchangeable
004-003005-024Interchangeable
interchangeable cross-reference
interchangeable
CMR04C120D0DLInterchangeable
interchangeable cross-reference
interchangeable
F109Interchangeable
interchangeable cross-reference
interchangeable
0260280003Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is F177?
F177 is a CAPACITOR,FIXED,MICA DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace F177?
There are 9 known substitutes for F177: MS35338-86, MS35338-143, 004-003005-024 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F177?
F177 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-753-8351. 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