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GF4048-048 — Technical Data Sheet

✓ Verified by PartsTable
— · BALL BEARING
WHAT YOU NEED TO KNOW
2RS = sealed for life, ZZ = shielded re-greaseable ABEC grade: higher = tighter tolerance
ABEC-1 standard, ABEC-7+ for precision spindles
PRODUCT OVERVIEW

CAPACITOR,VARIABLE,AIR DIELECTRI. Key specifications include material: GLASS FIBER OUTER LAYER, corner_shape: SQUARE ALL CORNERS, overall_length: 3.0000 INCHES NOMINAL IN, style_designator: SOLID, PLAIN, NO OUTSIDE FLANGES, body_inside_diameter: 2.5055 INCHES MINIMUM AND 2.5095 INCHES MAXIMUM IN, body_outside_diameter: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 3120-01-102-0377, 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
GF4048-048
NSN: 3120-01-102-0377
FSC: 3120
CAGE: 26124 — GGB LLC (USA)
SPECIFICATIONS
materialGLASS FIBER OUTER LAYER
corner_shapeSQUARE ALL CORNERS
overall_length3.0000 INCHES NOMINAL IN
style_designatorSOLID, PLAIN, NO OUTSIDE FLANGES
body_inside_diameter2.5055 INCHES MINIMUM AND 2.5095 INCHES MAXIMUM IN
body_outside_diameter3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
NSN3120-01-102-0377
COMPONENT DIAGRAM
BALL BEARING — SEAL TYPE DETERMINES MAINTENANCE OD: — · BORE: — · WIDTH: — SEAL: Open · PN: GF4048-048 · OEM ⚠ VERIFY BEFORE ORDERING ABEC grade: higher = tighter tolerance = higher cost. ABEC-1 is standard, ABEC-7+ for precision spindles. Open, shielded (ZZ), and sealed (2RS) versions have different max RPM ratings ✓ BROKER TIP 2RS = sealed for life (no maintenance). ZZ = shielded, re-greaseable. Open = must lubricate on install. Common interchange: 6205-2RS = 6205-2RSR = 6205-DDU (same bearing, different suffix) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CORNER SHAPE: SQUARE ALL CORNERS
•
STYLE DESIGNATOR: SOLID, PLAIN, NO OUTSIDE FLANGES
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
•
BODY OUTSIDE DIAMETER: 3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
•
BODY INSIDE DIAMETER: 2.5055 INCHES MINIMUM AND 2.5095 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
CORNER SHAPESQUARE ALL CORNERS
STYLE DESIGNATORSOLID, PLAIN, NO OUTSIDE FLANGES
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
BODY OUTSIDE DIAMETER3.0030 INCHES MINIMUM AND 3.0050 INCHES MAXIMUM IN
BODY INSIDE DIAMETER2.5055 INCHES MINIMUM AND 2.5095 INCHES MAXIMUM IN
OVERALL LENGTH3.0000 INCHES NOMINAL IN
MATERIALGLASS FIBER OUTER LAYER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
42C42650-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
206-076-037-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
206-076-037-001InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
15431InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
500E20-18-495InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
500E20InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is GF4048-048?
GF4048-048 is a CAPACITOR,VARIABLE,AIR DIELECTRI.
What parts can replace GF4048-048?
There are 17 known substitutes for GF4048-048: 42C42650-1, 206-076-037-1, 206-076-037-001 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for GF4048-048?
GF4048-048 is cataloged in the Federal Logistics Information System under NSN 3120-01-102-0377. 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: September 2026