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RS128 — PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RS128: PACKING.

The PACKING is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5330-00-004-3474, 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
RS128
NSN: 5330-00-004-3474
FSC: 5330 — Packing and Gasket Materials
CAGE: 70236 — TACTAIR FLUID CONTROLS INC (USA)
SPECIFICATIONS
Part NumberRS128
NSN5330-00-004-3474
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RS128 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.
5330-00-001-9852 5330-00-003-9246 5330-00-004-1681 5330-00-004-3196 5330-00-004-3450 5330-00-004-3451 5330-00-004-4245 5330-00-004-5072
SUBSTITUTES & CROSS-REFERENCES 2
G1071PC41Reference document
Same NSN cross-reference
Reference document — Secondary reference
E300-383-13-41Reference 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 RS128?
RS128 is a PACKING.
What parts can replace RS128?
There are 2 known substitutes for RS128: G1071PC41, E300-383-13-41. Substitute compatibility should be verified for your specific system.
What is the NSN for RS128?
RS128 is cataloged in the U.S. Government catalog under NSN 5330-00-004-3474. 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.