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P-5643 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

P-5643: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: ASBESTOS AND STEEL CORROSION RESISTING OVERALL, outside_diameter: 1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN, special_features: FILLER MATERIAL IS NON-ASBESTOS, FLEXITE SUPER OR EQUIVALENT (CHLORO CARO, aperture_diameter: 1.156 INCHES NOMINAL IN, cross-sectional_thickness: 0.125 INCHES NOMINAL IN, cross-sectional_shape_style: METAL WINDING W/ SOFT FILLER. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-726-6229, 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
P-5643
NSN: 5330-00-726-6229
NIINs: 007266229, 013929817
FSC: 5330 — Packing and Gasket Materials
CAGE: 74965 — CLARK-RELIANCE LLC DBA JERGUSON GAGE & VALVE (USA)
SPECIFICATIONS
materialASBESTOS AND STEEL CORROSION RESISTING OVERALL
outside_diameter1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM IN
special_featuresFILLER MATERIAL IS NON-ASBESTOS, FLEXITE SUPER OR EQUIVALENT (CHLORO CARO
aperture_diameter1.156 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLER
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTS
NSN5330-00-726-6229
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: P-5643 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 THICKNESS: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
OUTSIDE DIAMETER: 1.562 INCHES MINIMUM AND 1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM1.625 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 1.156 INCHES NOMINAL1.156 INCHES NOMINAL IN
•
MATERIAL: ASBESTOS AND STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER1.562 INCHES MINIMUM AND 1.562 INCHES MINIMUM AND 1.625 INCHES MAXIMUM1.625 INCHES MAXIMUM IN
APERTURE DIAMETER1.156 INCHES NOMINAL1.156 INCHES NOMINAL IN
MATERIALASBESTOS AND STEEL CORROSION RESISTING OVERALL
SUBSTITUTES & CROSS-REFERENCES 5
E256R6PC7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
H3280434RBPC79Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E231REVGPC79Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E231RGPC79Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
E256R3PC7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is P-5643?
P-5643 is a GASKET,SPIRAL WOUND.
What parts can replace P-5643?
There are 5 known substitutes for P-5643: E256R6PC7, H3280434RBPC79, E231REVGPC79 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for P-5643?
P-5643 is cataloged in the U.S. Government catalog under NSN 5330-00-726-6229. 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.