Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW
CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include guide: NOT INCLUDED, diameter: 0.438 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, body_style: W/MTG BRACKET, TERMINAL(S) ON ONE END, flute_type: INTEGRAL, seal_width: 0.417 INCHES MINIMUM AND 0.449 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 5330-00-438-5100, 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→312-28
NSN:5330-00-438-5100 FSC:5330 CAGE:80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
guide
NOT INCLUDED
diameter
0.438 INCHES NOMINAL IN
material
STEEL CORROSION RESISTING OVERALL
body_style
W/MTG BRACKET, TERMINAL(S) ON ONE END
flute_type
INTEGRAL
seal_width
0.417 INCHES MINIMUM AND 0.449 INCHES MAXIMUM IN
shank_type
MORSE TAPER
body_length
1.531 INCHES NOMINAL IN
design_form
DOUBLE-ENDED
reamer_type
FLUTED CHUCKING
construction
SOLID
flute_design
SPIRAL
NSN
5330-00-438-5100
COMPONENT DIAGRAM
KEY FEATURES
•
SURFACE TREATMENT: PLASTIC CASE
•
HOUSING BORE DIAMETER: 4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
•
ACCOMMODATED SHAFT DIAMETER: 3.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SINGLE LIP
•
CONSTRUCTION: SOLID
•
OUTSIDE DIAMETER: 4.254 INCHES NOMINAL 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
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FREQUENTLY ASKED QUESTIONS
What is 312-28?
312-28 is a CAPACITOR,FIXED,PAPER DIELECTRIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace 312-28?
There are 10 known substitutes for 312-28: 4537-7/16, 232R-437, 50-10146 4537-7/16 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 312-28?
312-28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-438-5100. This indicates validated use in U.S. government and defense supply chains.
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