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26-5043-2A — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

26-5043-2A: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, rim_surface_width: 0.120 INCHES NOMINAL IN, peripheral_diameter: 6.562 INCHES NOMINAL IN, center_hole_diameter: 6.000 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: BRONZE FILLED POLYTETRAFLUOROETHYLENE SQUARE LOADER BUFFER SEAL SIZE -361. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-564-4880, 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
26-5043-2A
NSN: 5330-01-564-4880
FSC: 5330 — Packing and Gasket Materials
CAGE: 1HZU4 — MOBILE CYLINDERS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
rim_surface_width0.120 INCHES NOMINAL IN
peripheral_diameter6.562 INCHES NOMINAL IN
center_hole_diameter6.000 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyBRONZE FILLED POLYTETRAFLUOROETHYLENE SQUARE LOADER BUFFER SEAL SIZE -361
NSN5330-01-564-4880
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26-5043-2A 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
•
RIM SURFACE WIDTH: 0.120 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 6.562 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 6.000 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
RIM SURFACE WIDTH0.120 INCHES NOMINAL IN
PERIPHERAL DIAMETER6.562 INCHES NOMINAL IN
CENTER HOLE DIAMETER6.000 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBRONZE FILLED POLYTETRAFLUOROETHYLENE SQUARE LOADER BUFFER SEAL SIZE -361
MATERIALCOPPER ALLOY AND PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
OTHER ITEMS IN FSC 5330 — Packing and Gasket Materials
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5330-00-000-0085 5330-00-000-0167 5330-00-000-5275 5330-00-001-1260 5330-00-001-1833 5330-00-001-1844 5330-00-001-1845 5330-00-001-1846
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 26-5043-2A?
26-5043-2A is a PACKING,PREFORMED.
What is the NSN for 26-5043-2A?
26-5043-2A is cataloged in the U.S. Government catalog under NSN 5330-01-564-4880. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.