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N5221251 — GASKET,SPIRAL WOUND

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

N5221251: GASKET,SPIRAL WOUND.

The GASKET,SPIRAL WOUND is a the manufacturer industrial component. Key specifications include material: GRAPHITE OVERALL, outside_diameter: 3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN, special_features: CONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL, style_designator: CIRCULAR, aperture_diameter: 2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN, cross-sectional_thickness: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-396-0001, 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
N5221251
NSN: 5330-01-396-0001
FSC: 5330 — Packing and Gasket Materials
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialGRAPHITE OVERALL
outside_diameter3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
special_featuresCONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL
style_designatorCIRCULAR
aperture_diameter2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
cross-sectional_thickness0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
environmental_attribute_codeASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
material_document_and_classificationMIL-G-24716 TY1 CLB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5330-01-396-0001
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: N5221251 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: 0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-G-24716 TY1 CLB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
OUTSIDE DIAMETER: 3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
•
APERTURE DIAMETER: 2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
•
ENVIRONMENTAL ATTRIBUTE CODE: ASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.170 INCHES MINIMUM AND 0.170 INCHES MINIMUM AND 0.180 INCHES MAXIMUM0.180 INCHES MAXIMUM IN
STYLE DESIGNATORCIRCULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-24716 TY1 CLB MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
OUTSIDE DIAMETER3.156 INCHES MINIMUM AND 3.156 INCHES MINIMUM AND 3.188 INCHES MAXIMUM3.188 INCHES MAXIMUM IN
APERTURE DIAMETER2.312 INCHES MINIMUM AND 2.312 INCHES MINIMUM AND 2.344 INCHES MAXIMUM2.344 INCHES MAXIMUM IN
SPECIAL FEATURESCONTAINS NON-ASBESTOS MATERIALCONTAINS NON-ASBESTOS MATERIAL
ENVIRONMENTAL ATTRIBUTE CODEASBESTOS ALTERNATIVE PRODUCTSASBESTOS ALTERNATIVE PRODUCTS
MATERIALGRAPHITE 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 2
24079N PIECE 7 NON-ASBESTOSReference document
Same NSN cross-reference
Reference document — Secondary reference
52212-51 NON-ASBESTOSReference document
Same NSN cross-reference
Reference document — Secondary reference
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 N5221251?
N5221251 is a GASKET,SPIRAL WOUND.
What parts can replace N5221251?
There are 2 known substitutes for N5221251: 24079N PIECE 7 NON-ASBESTOS, 52212-51 NON-ASBESTOS. Substitute compatibility should be verified for your specific system.
What is the NSN for N5221251?
N5221251 is cataloged in the U.S. Government catalog under NSN 5330-01-396-0001. 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.