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0375A9303 — PACKING MATERIAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

0375A9303: PACKING MATERIAL.

The PACKING MATERIAL is a the manufacturer industrial component. Key specifications include length: 84.000 INCHES NOMINAL IN, cross-sectional_width: 0.375 INCHES NOMINAL IN, cross-sectional_height: 0.375 INCHES NOMINAL IN, cross-sectional_shape_style: SQUARE. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-283-0556, 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
0375A9303
NSN: 5330-01-283-0556
FSC: 5330 — Packing and Gasket Materials
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
length84.000 INCHES NOMINAL IN
cross-sectional_width0.375 INCHES NOMINAL IN
cross-sectional_height0.375 INCHES NOMINAL IN
cross-sectional_shape_styleSQUARE
NSN5330-01-283-0556
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 0375A9303 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
•
LENGTH: 84.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL HEIGHT: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL WIDTH: 0.375 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE
TECHNICAL CHARACTERISTICS
LENGTH84.000 INCHES NOMINAL IN
CROSS-SECTIONAL HEIGHT0.375 INCHES NOMINAL IN
CROSS-SECTIONAL WIDTH0.375 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLESQUARE
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
1340Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1340-3/8 IN SQReference document
Same NSN cross-reference
Reference document — Design control — primary 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 0375A9303?
0375A9303 is a PACKING MATERIAL.
What parts can replace 0375A9303?
There are 2 known substitutes for 0375A9303: 1340, 1340-3/8 IN SQ. Substitute compatibility should be verified for your specific system.
What is the NSN for 0375A9303?
0375A9303 is cataloged in the U.S. Government catalog under NSN 5330-01-283-0556. 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.