PartsTable
Technical Data Sheet
PartsTable / MRO / 40-025
40-025 ✓ 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,CERAMIC DIELECTR. Key specifications include diameter: 0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN, material: STEEL OVERALL, body_style: W/O MTG FACILITIES, RADIAL TERMINALS, drive_type: SLOTTED, point_type: CONVENTIONAL, body_length: 0.156 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-290-8235, 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→ 40-025
NSN: 5325-00-290-8235
FSC: 5325
CAGE: 71286 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CAMLOC PRODUCTS (USA)
SPECIFICATIONS
diameter0.377 INCHES MINIMUM AND 0.384 INCHES MAXIMUM IN
materialSTEEL OVERALL
body_styleW/O MTG FACILITIES, RADIAL TERMINALS
drive_typeSLOTTED
point_typeCONVENTIONAL
body_length0.156 INCHES MAXIMUM IN
head_height9.0 MILLIMETERS NOMINAL MM
point_angle118.0 DEGREES NOMINAL
shank_styleSTRAIGHT ROUND
temp_rating25.0 FAHRENHEIT AND 150.0 FAHRENHEIT SINGLE RESPONSE DEGF
closure_typeSCREW CAP
flute_length1.875 INCHES NOMINAL IN
NSN5325-00-290-8235
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 40-025 · 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
•
DRIVE TYPE: SLOTTED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
•
STUD ASSEMBLY STYLE: STUD ASSEMBLY
•
MATERIAL: STEEL EYELET
•
EYELET LENGTH: 0.292 INCHES NOMINAL IN
•
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD: 0.543 INCHES MINIMUM AND 0.583 INCHES MAXIMUM 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)
DRIVE TYPESLOTTED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 CL 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE EJECTOR SPRING
STUD ASSEMBLY STYLESTUD ASSEMBLY
MATERIALSTEEL EYELET
MATERIALSTEEL EJECTOR SPRING
EYELET LENGTH0.292 INCHES NOMINAL IN
DISTANCE FROM ENGAGING MEMBER TO LARGEST BEARING SURFACE OF HEAD0.543 INCHES MINIMUM AND 0.583 INCHES MAXIMUM IN
MATERIALSTEEL PIN
TURNLOCK STUD HEAD STYLEFLAT COUNTERSUNK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
SL4732PC54Interchangeable
interchangeable cross-reference
interchangeable
HL-40025Interchangeable
interchangeable cross-reference
interchangeable
SL4639PC54Interchangeable
interchangeable cross-reference
interchangeable
40025Interchangeable
interchangeable cross-reference
interchangeable
A17672Interchangeable
interchangeable cross-reference
interchangeable
173079Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40-025?
40-025 is a CAPACITOR,FIXED,CERAMIC DIELECTR. It is classified as a MRO (MRO_GENERAL).
What parts can replace 40-025?
There are 27 known substitutes for 40-025: SL4732PC54, HL-40025, SL4639PC54 and 24 more. Substitute compatibility should be verified for your specific system.
Is 40-025 still available?
40-025 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