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Technical Data Sheet
PartsTable / COMPONENT / 12-550-00-002
12-550-00-002 ✓ 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 COMP 1020 OR STEEL COMP 1030 RETAINER, construction: ONE-PIECE, outside_diameter: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN, retainer_thickness: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN, packing_inside_diameter: 0.173 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN, material_document_and_classification: MIL-R-6855 MIL SPEC ALL MATERIAL RESPONSES PACKING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-603-0195, 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
12-550-00-002
NSN: 5330-00-603-0195
FSC: 5330
CAGE: 78022 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1020 OR STEEL COMP 1030 RETAINER
constructionONE-PIECE
outside_diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
retainer_thickness0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
packing_inside_diameter0.173 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
material_document_and_classificationMIL-R-6855 MIL SPEC ALL MATERIAL RESPONSES PACKING
packing_ring_cross-sectional_diameter0.072 INCHES NOMINAL IN
NSN5330-00-603-0195
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12-550-00-002 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
•
CONSTRUCTION: ONE-PIECE
•
PACKING RING CROSS-SECTIONAL DIAMETER: 0.072 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1020 OR STEEL COMP 1030 RETAINER
•
RETAINER THICKNESS: 0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
•
PACKING INSIDE DIAMETER: 0.173 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855 MIL SPEC ALL MATERIAL RESPONSES PACKING
•
OUTSIDE DIAMETER: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
CONSTRUCTIONONE-PIECE
PACKING RING CROSS-SECTIONAL DIAMETER0.072 INCHES NOMINAL IN
MATERIALSTEEL COMP 1020 OR STEEL COMP 1030 RETAINER
RETAINER THICKNESS0.040 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN
PACKING INSIDE DIAMETER0.173 INCHES MINIMUM AND 0.193 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855 MIL SPEC ALL MATERIAL RESPONSES PACKING
OUTSIDE DIAMETER0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
815-1197139PC33Interchangeable
interchangeable cross-reference
interchangeable
9S74456PC7Interchangeable
interchangeable cross-reference
interchangeable
744456-7Interchangeable
interchangeable cross-reference
interchangeable
837527Interchangeable
interchangeable cross-reference
interchangeable
100-1292Interchangeable
interchangeable cross-reference
interchangeable
052244Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12-550-00-002?
12-550-00-002 is a PACKING WITH RETAINER.
What parts can replace 12-550-00-002?
There are 15 known substitutes for 12-550-00-002: 815-1197139PC33, 9S74456PC7, 744456-7 and 12 more. Substitute compatibility should be verified for your specific system.
Is 12-550-00-002 still available?
12-550-00-002 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026