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8R.28X.40XDP — SEAL RING,METAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8R.28X.40XDP: SEAL RING,METAL.

The SEAL RING,METAL is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-01-657-6191, 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
8R.28X.40XDP
NSN: 5330-01-657-6191
FSC: 5330 — Packing and Gasket Materials
CAGE: 4PSQ9 — DIEQUA CORP (USA)
SPECIFICATIONS
Part Number8R.28X.40XDP
NSN5330-01-657-6191
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8R.28X.40XDP 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
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 1
1S302.021936 REV. POS.080Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 8R.28X.40XDP?
8R.28X.40XDP is a SEAL RING,METAL.
What parts can replace 8R.28X.40XDP?
There is 1 known substitute for 8R.28X.40XDP: 1S302.021936 REV. POS.080. Substitute compatibility should be verified for your specific system.
What is the NSN for 8R.28X.40XDP?
8R.28X.40XDP is cataloged in the U.S. Government catalog under NSN 5330-01-657-6191. 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.