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PartsTable / COMPONENT / RD12125-001-8
RD12125-001-8 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The PACKING WITH RETAINER is a the manufacturer industrial component. Key specifications include material: STEEL RETAINER, construction: ONE-PIECE, outside_diameter: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, surface_treatment: CADMIUM AND CHROMATE RETAINER, retainer_thickness: 0.066 INCHES NOMINAL IN, packing_inside_diameter: 0.159 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-585-0173, 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
RD12125-001-8
NSN: 5330-00-585-0173
FSC: 5330
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialSTEEL RETAINER
constructionONE-PIECE
outside_diameter0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
surface_treatmentCADMIUM AND CHROMATE RETAINER
retainer_thickness0.066 INCHES NOMINAL IN
packing_inside_diameter0.159 INCHES NOMINAL IN
packing_ring_cross-sectional_diameter0.066 INCHES NOMINAL IN
NSN5330-00-585-0173
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RD12125-001-8 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
•
MATERIAL: RUBBER SYNTHETIC PACKING
•
SURFACE TREATMENT: CADMIUM AND CHROMATE RETAINER
•
OUTSIDE DIAMETER: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
RETAINER THICKNESS: 0.066 INCHES NOMINAL IN
•
PACKING INSIDE DIAMETER: 0.159 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.066 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER SYNTHETIC PACKING
SURFACE TREATMENTCADMIUM AND CHROMATE RETAINER
OUTSIDE DIAMETER0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
RETAINER THICKNESS0.066 INCHES NOMINAL IN
MATERIALSTEEL RETAINER
PACKING INSIDE DIAMETER0.159 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
PACKING RING CROSS-SECTIONAL DIAMETER0.066 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
11155Interchangeable
interchangeable cross-reference
interchangeable
13957Interchangeable
interchangeable cross-reference
interchangeable
JAN1N4465AInterchangeable
interchangeable cross-reference
interchangeable
1N4327AInterchangeable
interchangeable cross-reference
interchangeable
019-004655Interchangeable
interchangeable cross-reference
interchangeable
00154-0178Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RD12125-001-8?
RD12125-001-8 is a PACKING WITH RETAINER.
What parts can replace RD12125-001-8?
There are 17 known substitutes for RD12125-001-8: 11155, 13957, JAN1N4465A and 14 more. Substitute compatibility should be verified for your specific system.
Is RD12125-001-8 still available?
RD12125-001-8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026