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Technical Data Sheet
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SP402-028 — PACKING,PREFORMED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SP402-028: PACKING,PREFORMED.

The PACKING,PREFORMED is a the manufacturer industrial component. Key specifications include hardness_rating: 70.0 SHORE DUROMETER A NOMINAL OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-147-1050, 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
SP402-028
NSN: 5330-01-147-1050
FSC: 5330 — Packing and Gasket Materials
CAGE: 76050 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV M.C.AEROSPACE (USA)
SPECIFICATIONS
hardness_rating70.0 SHORE DUROMETER A NOMINAL OVERALL
NSN5330-01-147-1050
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SP402-028 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
•
HARDNESS RATING: 70.0 SHORE DUROMETER A NOMINAL OVERALL
TECHNICAL CHARACTERISTICS
HARDNESS RATING70.0 SHORE DUROMETER A NOMINAL 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
10116771Reference document
Same NSN cross-reference
Reference document — Informative reference only
7028MS-160Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 SP402-028?
SP402-028 is a PACKING,PREFORMED.
What parts can replace SP402-028?
There are 2 known substitutes for SP402-028: 10116771, 7028MS-160. Substitute compatibility should be verified for your specific system.
What is the NSN for SP402-028?
SP402-028 is cataloged in the U.S. Government catalog under NSN 5330-01-147-1050. This indicates validated use in U.S. government and defense supply chains.
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