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Technical Data Sheet
PartsTable / MRO / 28-003
28-003 ✓ Verified by PartsTable
Silverlit · 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,PAPER DIELECTRIC. Key specifications include material: STEEL COMP XM-12 OVERALL, thickness: 0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN, body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, body_length: 1.500 INCHES NOMINAL IN, body_diameter: 1.000 INCHES NOMINAL IN, hole_diameter: 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-188-4185, 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→ 28-003
NSN: 5310-00-188-4185
FSC: 5310
CAGE: 29201 — JOHN DEER CONSUMER PRODUCTS INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-12 OVERALL
thickness0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
body_styleW/MTG BRACKET, TERMINAL(S) ON ONE END
body_length1.500 INCHES NOMINAL IN
body_diameter1.000 INCHES NOMINAL IN
hole_diameter0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
terminal_typeWIRE LEAD
base_thickness0.312 INCHES IN
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_length7.250 INCHES NOMINAL IN
NSN5310-00-188-4185
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 28-003 · Silverlit ⚠ 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL COMP 1010 OVERALL
•
SURFACE TREATMENT: ZINC OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
HOLE DIAMETER: 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.017 INCHES MINIMUM AND 0.022 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)
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIALSTEEL COMP 1010 OVERALL
SURFACE TREATMENTZINC OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
HOLE DIAMETER0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.017 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
OVERALL DIAMETER0.308 INCHES MINIMUM AND 0.318 INCHES MAXIMUM IN
HARDNESS RATING85.5 ROCKWELL B NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
103907Interchangeable
interchangeable cross-reference
interchangeable
9X261Interchangeable
interchangeable cross-reference
interchangeable
637425Interchangeable
interchangeable cross-reference
interchangeable
203562-1Interchangeable
interchangeable cross-reference
interchangeable
219Interchangeable
interchangeable cross-reference
interchangeable
Y4638RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28-003?
28-003 is a CAPACITOR,FIXED,PAPER DIELECTRIC manufactured by Silverlit. It is classified as a MRO (MRO_GENERAL).
What parts can replace 28-003?
There are 23 known substitutes for 28-003: 103907, 9X261, 637425 and 20 more. Substitute compatibility should be verified for your specific system.
Is 28-003 still available?
28-003 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