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548578 — PISTON,VALVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

548578: PISTON,VALVE.

The PISTON,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: MATL STEEL,1.643IN. L,0.500IN.

OD,0.420IN. ID FOR 0.930IN.,3SLOTS 0.060IN. W 0.020IN.

DEEP IN. This part is cataloged in the U.S. Government catalog under NSN 5330-00-369-3443, 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
548578
NSN: 5330-00-369-3443
NIINs: 003693443, 007178286
FSC: 5330 — Packing and Gasket Materials
CAGE: 77068 — ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV (USA)
SPECIFICATIONS
general_characteristics_item_descriptionMATL STEEL,1.643IN. L,0.500IN. OD,0.420IN. ID FOR 0.930IN.,3SLOTS 0.060IN. W 0.020IN. DEEP IN
NSN5330-00-369-3443
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 548578 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
•
CROSS-SECTIONAL THICKNESS: 0.062 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
MATERIAL: CORK OVERALL
•
HOLE DIAMETER: 0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.062 INCHES NOMINAL IN
OVERALL LENGTH16.990 INCHES MINIMUM AND 17.010 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OVERALL WIDTH13.615 INCHES MINIMUM AND 13.635 INCHES MAXIMUM IN
MATERIALCORK OVERALL
HOLE DIAMETER0.256 INCHES MINIMUM AND 0.276 INCHES MAXIMUM LOCATION NOT OTHERWISE SPECIFIED IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 548578?
548578 is a PISTON,VALVE.
What is the NSN for 548578?
548578 is cataloged in the U.S. Government catalog under NSN 5330-00-369-3443. This indicates validated use in U.S. government and defense supply chains.
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