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400-A-4-4 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

400-A-4-4: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYAMIDE NYLON OVERALL, peripheral_diameter: 0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN, center_hole_diameter: 0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN, cross-sectional_thickness: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN, cross-sectional_shape_style: SQUARE/RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-077-1954, 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
400-A-4-4
NSN: 5330-01-077-1954
FSC: 5330 — Packing and Gasket Materials
CAGE: 09990 — PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION (USA)
SPECIFICATIONS
materialPLASTIC POLYAMIDE NYLON OVERALL
peripheral_diameter0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN
center_hole_diameter0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
cross-sectional_thickness0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
cross-sectional_shape_styleSQUARE/RECTANGULAR
NSN5330-01-077-1954
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 400-A-4-4 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: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
PERIPHERAL DIAMETER: 0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYAMIDE NYLON OVERALL
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
PERIPHERAL DIAMETER0.541 INCHES MINIMUM AND 0.544 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.437 INCHES MINIMUM AND 0.440 INCHES MAXIMUM IN
MATERIALPLASTIC POLYAMIDE NYLON OVERALL
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 400-A-4-4?
400-A-4-4 is a RETAINER,PACKING.
What is the NSN for 400-A-4-4?
400-A-4-4 is cataloged in the U.S. Government catalog under NSN 5330-01-077-1954. This indicates validated use in U.S. government and defense supply chains.
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