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1528MK-0.125A — PACKING MATERIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

1528MK-0.125A: PACKING MATERIAL.

The PACKING MATERIAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OR COPPER, fabrication_method: BRAIDED, cross-sectional_width: 0.125 INCHES NOMINAL IN, cross-sectional_height: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-586-6442, 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
1528MK-0.125A
NSN: 5330-01-586-6442
FSC: 5330 — Packing and Gasket Materials
CAGE: 5S153 — R-WAY GASKET & SUPPLY CO INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OR COPPER
fabrication_methodBRAIDED
cross-sectional_width0.125 INCHES NOMINAL IN
cross-sectional_height0.125 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE
NSN5330-01-586-6442
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1528MK-0.125A 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
•
CROSS-SECTIONAL WIDTH: 0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
•
MATERIAL: COPPER ALLOY OR COPPER
•
FABRICATION METHOD: BRAIDED
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.125 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE
MATERIALCOPPER ALLOY OR COPPER
FABRICATION METHODBRAIDED
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1528MK-0.125A?
1528MK-0.125A is a PACKING MATERIAL.
What is the NSN for 1528MK-0.125A?
1528MK-0.125A is cataloged in the U.S. Government catalog under NSN 5330-01-586-6442. 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.