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53399A2 — CUP,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

53399A2: CUP,COMPRESSION.

The CUP,COMPRESSION is a the manufacturer industrial component. Key specifications include material: LEATHER OVERALL, overall_length: 0.813 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN, overall_diameter: 6.063 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN, feather_edge_angle: 45.0 DEGREES NOMINAL, center_hole_diameter: 1.125 INCHES NOMINAL IN, base_material_thickness: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-291-3740, 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
53399A2
NSN: 5340-00-291-3740
FSC: 5340 — Hardware, Commercial
CAGE: 05168 — ELSAG BAILEY INC (USA)
SPECIFICATIONS
materialLEATHER OVERALL
overall_length0.813 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
overall_diameter6.063 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN
feather_edge_angle45.0 DEGREES NOMINAL
center_hole_diameter1.125 INCHES NOMINAL IN
base_material_thickness0.125 INCHES NOMINAL IN
recess_major_inside_diameter5.813 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
NSN5340-00-291-3740
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 53399A2 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
•
FEATHER EDGE ANGLE: 45.0 DEGREES NOMINAL
•
OVERALL DIAMETER: 6.063 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN
•
RECESS MAJOR INSIDE DIAMETER: 5.813 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.125 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.125 INCHES NOMINAL IN
•
MATERIAL: LEATHER OVERALL
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE45.0 DEGREES NOMINAL
OVERALL DIAMETER6.063 INCHES MINIMUM AND 6.187 INCHES MAXIMUM IN
OVERALL LENGTH0.813 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN
RECESS MAJOR INSIDE DIAMETER5.813 INCHES MINIMUM AND 5.937 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.125 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.125 INCHES NOMINAL IN
MATERIALLEATHER OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 3
5326949C1Reference document
Same NSN cross-reference
Reference document — Secondary reference
S5103H3114842PC67Reference document
Same NSN cross-reference
Reference document — Secondary reference
H5315123APC67Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 53399A2?
53399A2 is a CUP,COMPRESSION.
What parts can replace 53399A2?
There are 3 known substitutes for 53399A2: 5326949C1, S5103H3114842PC67, H5315123APC67. Substitute compatibility should be verified for your specific system.
What is the NSN for 53399A2?
53399A2 is cataloged in the U.S. Government catalog under NSN 5340-00-291-3740. This indicates validated use in U.S. government and defense supply chains.
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