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299-4557-074A — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

299-4557-074A: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include material: GRAPHITE AND PLASTIC TETRAFLUOROETHYLENE OVERALL, peripheral_diameter: 0.936 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN, center_hole_diameter: 0.811 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN, cross-sectional_height: 0.091 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-259-3605, 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
299-4557-074A
NSN: 5330-01-259-3605
FSC: 5330 — Packing and Gasket Materials
CAGE: 19710 — MPC PRODUCTS CORPORATION DBA WOODWARD MPC, INC. (USA)
SPECIFICATIONS
materialGRAPHITE AND PLASTIC TETRAFLUOROETHYLENE OVERALL
peripheral_diameter0.936 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN
center_hole_diameter0.811 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
cross-sectional_height0.091 INCHES NOMINAL IN
NSN5330-01-259-3605
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 299-4557-074A 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: 0.091 INCHES NOMINAL IN
•
PERIPHERAL DIAMETER: 0.936 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.811 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
•
MATERIAL: GRAPHITE AND PLASTIC TETRAFLUOROETHYLENE OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.091 INCHES NOMINAL IN
PERIPHERAL DIAMETER0.936 INCHES MINIMUM AND 0.939 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.811 INCHES MINIMUM AND 0.814 INCHES MAXIMUM IN
MATERIALGRAPHITE AND PLASTIC TETRAFLUOROETHYLENE 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

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 299-4557-074A?
299-4557-074A is a PACKING,PREFORMED.
What is the NSN for 299-4557-074A?
299-4557-074A is cataloged in the U.S. Government catalog under NSN 5330-01-259-3605. 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.