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D173A75 — CUP,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D173A75: CUP,COMPRESSION.

The CUP,COMPRESSION is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, overall_length: 0.750 INCHES NOMINAL IN, overall_diameter: 12.353 INCHES NOMINAL IN, feather_edge_angle: 45.0 DEGREES NOMINAL, center_hole_diameter: 9.375 INCHES NOMINAL IN, fsc_application_data: CATAPULT,AIRCRAFT LAUNCHING. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-833-7595, 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
D173A75
NSN: 5340-00-833-7595
FSC: 5340 — Hardware, Commercial
CAGE: 36802 — LOGANSPORT MACHINE CO., INC. (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_length0.750 INCHES NOMINAL IN
overall_diameter12.353 INCHES NOMINAL IN
feather_edge_angle45.0 DEGREES NOMINAL
center_hole_diameter9.375 INCHES NOMINAL IN
fsc_application_dataCATAPULT,AIRCRAFT LAUNCHING
base_material_thickness0.187 INCHES NOMINAL IN
recess_major_inside_diameter11.978 INCHES NOMINAL IN
NSN5340-00-833-7595
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D173A75 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
•
FSC APPLICATION DATA: CATAPULT,AIRCRAFT LAUNCHING
•
OVERALL DIAMETER: 12.353 INCHES NOMINAL IN
•
RECESS MAJOR INSIDE DIAMETER: 11.978 INCHES NOMINAL IN
•
CENTER HOLE DIAMETER: 9.375 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.187 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE45.0 DEGREES NOMINAL
FSC APPLICATION DATACATAPULT,AIRCRAFT LAUNCHING
OVERALL DIAMETER12.353 INCHES NOMINAL IN
OVERALL LENGTH0.750 INCHES NOMINAL IN
RECESS MAJOR INSIDE DIAMETER11.978 INCHES NOMINAL IN
CENTER HOLE DIAMETER9.375 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.187 INCHES NOMINAL IN
MATERIALRUBBER 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

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 D173A75?
D173A75 is a CUP,COMPRESSION.
What is the NSN for D173A75?
D173A75 is cataloged in the U.S. Government catalog under NSN 5340-00-833-7595. 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.