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A1055X3 — SEAL,PLAIN ENCASED

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A1055X3: SEAL,PLAIN ENCASED.

The SEAL,PLAIN ENCASED is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC SEALING ELEMENT, case_style: RECESSED, seal_width: 0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, housing_bore_diameter: 1.748 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN, material_document_and_classification: 66 FED STD SINGLE MATERIAL RESPONSE CASE. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-340-6946, 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
A1055X3
NSN: 5330-00-340-6946
FSC: 5330 — Packing and Gasket Materials
CAGE: 0E9N0 — DAVID BROWN HYDRAULICS INC DBA HYDRECO (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC SEALING ELEMENT
case_styleRECESSED
seal_width0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
housing_bore_diameter1.748 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE CASE
NSN5330-00-340-6946
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1055X3 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
•
SEAL WIDTH: 0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
•
HOUSING BORE DIAMETER: 1.748 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE CASE
•
CASE STYLE: RECESSED
•
MATERIAL: RUBBER SYNTHETIC SEALING ELEMENT
TECHNICAL CHARACTERISTICS
SEAL WIDTH0.270 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
HOUSING BORE DIAMETER1.748 INCHES MINIMUM AND 1.751 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE CASE
CASE STYLERECESSED
MATERIALRUBBER SYNTHETIC SEALING ELEMENT
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
9038393Reference 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 A1055X3?
A1055X3 is a SEAL,PLAIN ENCASED.
What parts can replace A1055X3?
There is 1 known substitute for A1055X3: 9038393. Substitute compatibility should be verified for your specific system.
What is the NSN for A1055X3?
A1055X3 is cataloged in the U.S. Government catalog under NSN 5330-00-340-6946. This indicates validated use in U.S. government and defense supply chains.
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