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RD12444 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

RD12444: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2017 OVERALL, body_recess_depth: 0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN, surface_treatment: ANODIZE OVERALL, lip_inside_diameter: 0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN, peripheral_diameter: 0.651 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN, center_hole_diameter: 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-783-7550, 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
RD12444
NSN: 5330-00-783-7550
FSC: 5330 — Packing and Gasket Materials
CAGE: 51663 — HYDRO-AIRE AEROSPACE CORP. DBA LEAR ROMEC DIV LEAR ROMEC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2017 OVERALL
body_recess_depth0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
surface_treatmentANODIZE OVERALL
lip_inside_diameter0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN
peripheral_diameter0.651 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN
center_hole_diameter0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
cross-sectional_height0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
cross-sectional_shape_styleSPECIAL
flanged_body_outside_diameter0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5330-00-783-7550
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RD12444 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
•
LIP INSIDE DIAMETER: 0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CROSS-SECTIONAL HEIGHT: 0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SPECIAL
•
FLANGED BODY OUTSIDE DIAMETER: 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
•
PERIPHERAL DIAMETER: 0.651 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN
•
SURFACE TREATMENT: ANODIZE OVERALL
•
CENTER HOLE DIAMETER: 0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LIP INSIDE DIAMETER0.588 INCHES MINIMUM AND 0.598 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CROSS-SECTIONAL HEIGHT0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESPECIAL
FLANGED BODY OUTSIDE DIAMETER0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM IN
PERIPHERAL DIAMETER0.651 INCHES MINIMUM AND 0.661 INCHES MAXIMUM IN
SURFACE TREATMENTANODIZE OVERALL
CENTER HOLE DIAMETER0.3125 INCHES MINIMUM AND 0.3135 INCHES MAXIMUM IN
MATERIALALUMINUM ALLOY 2024 OR ALUMINUM ALLOY 2017 OVERALL
BODY RECESS DEPTH0.088 INCHES MINIMUM AND 0.092 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

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 RD12444?
RD12444 is a RETAINER,PACKING.
What is the NSN for RD12444?
RD12444 is cataloged in the U.S. Government catalog under NSN 5330-00-783-7550. 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.