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2-443-525GS — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

2-443-525GS: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL, hardness_rating: 80.0 SHORE DUROMETER A NOMINAL OVERALL, peripheral_diameter: 7.968 INCHES MINIMUM AND 8.082 INCHES MAXIMUM IN, center_hole_diameter: 7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN, cross-sectional_height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN, end_item_identification: HYDRAULIC ACCUMULATOR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-652-7615, 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
2-443-525GS
NSN: 5330-01-652-7615
FSC: 5330 — Packing and Gasket Materials
CAGE: 07322 — MINNESOTA RUBBER CO (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
hardness_rating80.0 SHORE DUROMETER A NOMINAL OVERALL
peripheral_diameter7.968 INCHES MINIMUM AND 8.082 INCHES MAXIMUM IN
center_hole_diameter7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN
cross-sectional_height0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
end_item_identificationHYDRAULIC ACCUMULATOR
material_document_and_classificationFSCM 07322 COMPOUND 525GS MFR REF SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyQUAD-O-DYNE SEAL
NSN5330-01-652-7615
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 2-443-525GS 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: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: FSCM 07322 COMPOUND 525GS MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
PERIPHERAL DIAMETER: 7.968 INCHES MINIMUM AND 8.082 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONFSCM 07322 COMPOUND 525GS MFR REF SINGLE MATERIAL RESPONSE OVERALL
PERIPHERAL DIAMETER7.968 INCHES MINIMUM AND 8.082 INCHES MAXIMUM IN
CENTER HOLE DIAMETER7.430 INCHES MINIMUM AND 7.520 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYQUAD-O-DYNE SEAL
END ITEM IDENTIFICATIONHYDRAULIC ACCUMULATOR
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
218099929Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H792-8002-95Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
556-7106779-95Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 2-443-525GS?
2-443-525GS is a PACKING,PREFORMED.
What parts can replace 2-443-525GS?
There are 3 known substitutes for 2-443-525GS: 218099929, H792-8002-95, 556-7106779-95. Substitute compatibility should be verified for your specific system.
What is the NSN for 2-443-525GS?
2-443-525GS is cataloged in the U.S. Government catalog under NSN 5330-01-652-7615. 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.