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7-21558 — CABLE ASSEMBLY,RADIO FREQUENCY,B

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

7-21558: CABLE ASSEMBLY,RADIO FREQUENCY,B.

CABLE ASSEMBLY,RADIO FREQUENCY,B. Key specifications include material: RUBBER FLUOROCARBON CLASS FPM OVERALL, peripheral_diameter: 1.250 INCHES NOMINAL IN, center_hole_diameter: 1.000 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, reference_data_and_literature: SKF PRODUCT DATASHEET, part_name_assigned_by_controlling_agency: BLOCK VEE SEAL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-587-2892, 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
7-21558
NSN: 5330-01-587-2892
NIINs: 015872892, 016300310
FSC: 5330 — Packing and Gasket Materials
CAGE: 80201 — SKF USA INC. DBA SKF AEROSPACE SEALING SOLUTIONS (USA)
SPECIFICATIONS
materialRUBBER FLUOROCARBON CLASS FPM OVERALL
peripheral_diameter1.250 INCHES NOMINAL IN
center_hole_diameter1.000 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleV
reference_data_and_literatureSKF PRODUCT DATASHEET
part_name_assigned_by_controlling_agencyBLOCK VEE SEAL
NSN5330-01-587-2892
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 7-21558 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.125 INCHES NOMINAL IN
•
REFERENCE DATA AND LITERATURE: SKF PRODUCT DATASHEET
•
CROSS-SECTIONAL SHAPE STYLE: V
•
PERIPHERAL DIAMETER: 1.250 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 1.000 INCHES NOMINAL IN
•
MATERIAL: RUBBER FLUOROCARBON CLASS FPM OVERALL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
REFERENCE DATA AND LITERATURESKF PRODUCT DATASHEET
CROSS-SECTIONAL SHAPE STYLEV
PERIPHERAL DIAMETER1.250 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBLOCK VEE SEAL
MATERIALRUBBER FLUOROCARBON CLASS FPM OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
00085311080804Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 7-21558?
7-21558 is a CABLE ASSEMBLY,RADIO FREQUENCY,B.
What parts can replace 7-21558?
There is 1 known substitute for 7-21558: 00085311080804. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-21558?
7-21558 is cataloged in the U.S. Government catalog under NSN 5330-01-587-2892. This indicates validated use in U.S. government and defense supply chains.
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