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721H8FSE964N — PACKING WITH RETAINER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

721H8FSE964N: PACKING WITH RETAINER.

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON RETAINER, construction: ONE-PIECE, outside_diameter: 1.643 INCHES NOMINAL IN, retainer_thickness: 0.326 INCHES NOMINAL IN, packing_inside_diameter: 1.223 INCHES NOMINAL IN, packing_ring_cross-sectional_diameter: 0.326 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-131-5010, 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
721H8FSE964N
NSN: 5330-01-131-5010
FSC: 5330 — Packing and Gasket Materials
CAGE: 5F573 — GREENE TWEED & CO INC (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON RETAINER
constructionONE-PIECE
outside_diameter1.643 INCHES NOMINAL IN
retainer_thickness0.326 INCHES NOMINAL IN
packing_inside_diameter1.223 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.326 INCHES NOMINAL IN
NSN5330-01-131-5010
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 721H8FSE964N 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
•
PACKING INSIDE DIAMETER: 1.223 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.643 INCHES NOMINAL IN
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.326 INCHES NOMINAL IN
•
RETAINER THICKNESS: 0.326 INCHES NOMINAL IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON RETAINER
•
CONSTRUCTION: ONE-PIECE
TECHNICAL CHARACTERISTICS
PACKING INSIDE DIAMETER1.223 INCHES NOMINAL IN
OUTSIDE DIAMETER1.643 INCHES NOMINAL IN
PACKING RING CROSS-SECTIONAL DIAMETER0.326 INCHES NOMINAL IN
RETAINER THICKNESS0.326 INCHES NOMINAL IN
MATERIALPLASTIC POLYAMIDE NYLON RETAINER
MATERIALRUBBER SYNTHETIC PACKING
CONSTRUCTIONONE-PIECE
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 721H8FSE964N?
721H8FSE964N is a PACKING WITH RETAINER.
What is the NSN for 721H8FSE964N?
721H8FSE964N is cataloged in the U.S. Government catalog under NSN 5330-01-131-5010. 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.