PartsTable
Technical Data Sheet
PartsTable / MRO / 37025
37025 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,PLASTIC DIELECTR. Key specifications include material: STEEL OVERALL, body_style: W/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE, body_width: 2.250 INCHES NOMINAL IN, head_style: HEXAGON, body_height: 3.880 INCHES NOMINAL IN, body_length: 3.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-022-4022, 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→ 37025
NSN: 5306-00-022-4022
FSC: 5306
CAGE: 19239 — ECHLIN INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleW/MTG TABS/FLANGES, TERMINAL(S) ON ONE SURFACE
body_width2.250 INCHES NOMINAL IN
head_styleHEXAGON
body_height3.880 INCHES NOMINAL IN
body_length3.750 INCHES NOMINAL IN
head_height0.156 INCHES NOMINAL IN
thread_class2A A
body_diameter8.000 INCHES NOMINAL IN
thread_length0.500 INCHES MAXIMUM IN
fastener_length0.500 INCHES NOMINAL IN
hardness_rating32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
NSN5306-00-022-4022
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 37025 · 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
•
HEAD HEIGHT: 0.156 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES MAXIMUM IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND 8 GRADE
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
•
THREAD SERIES DESIGNATOR: UNF
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)
HEAD HEIGHT0.156 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.362 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES MAXIMUM IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
NONDEFINITIVE SPEC/STD DATA3 TYPE AND 8 GRADE
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH20
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
9001Interchangeable
interchangeable cross-reference
interchangeable
3441Interchangeable
interchangeable cross-reference
interchangeable
K3440PBAInterchangeable
interchangeable cross-reference
interchangeable
K3440EBInterchangeable
interchangeable cross-reference
interchangeable
BACOBS-1500Interchangeable
interchangeable cross-reference
interchangeable
010301-0Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37025?
37025 is a CAPACITOR,FIXED,PLASTIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 37025?
There are 16 known substitutes for 37025: 9001, 3441, K3440PBA and 13 more. Substitute compatibility should be verified for your specific system.
Is 37025 still available?
37025 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026