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M30203 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M30203: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include special_features: 0.940 IN. OD STEEL CASING IN, cross-sectional_thickness: 0.080 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN.

This part is cataloged in the U.S. Government catalog under NSN 5330-01-039-9001, 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
M30203
NSN: 5330-01-039-9001
FSC: 5330 — Packing and Gasket Materials
CAGE: U1778 — PARKER HANNIFIN LTD, INSTRUMENTATION PRODUCTS DIVISION (GBR)
SPECIFICATIONS
special_features0.940 IN. OD STEEL CASING IN
cross-sectional_thickness0.080 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
NSN5330-01-039-9001
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M30203 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: 0.080 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.080 INCHES MINIMUM AND 0.086 INCHES MAXIMUM IN
SPECIAL FEATURES0.940 IN. OD STEEL CASING IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M30203?
M30203 is a RETAINER,PACKING.
What is the NSN for M30203?
M30203 is cataloged in the U.S. Government catalog under NSN 5330-01-039-9001. 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.