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D25280 — CUP,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D25280: CUP,COMPRESSION.

The CUP,COMPRESSION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1075, ring_style: EXTERNAL, usage_design: EXTERNAL, overall_length: 0.219 INCHES NOMINAL IN, inside_diameter: 1.588 INCHES MINIMUM AND 1.621 INCHES MAXIMUM IN, major_thickness: 0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-376-8889, 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
D25280
NSN: 5340-00-376-8889
NIINs: 003768889, 004203859, 012552809
FSC: 5340 — Hardware, Commercial
CAGE: 11859 — HUNT VALVE COMPANY, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 1075
ring_styleEXTERNAL
usage_designEXTERNAL
overall_length0.219 INCHES NOMINAL IN
inside_diameter1.588 INCHES MINIMUM AND 1.621 INCHES MAXIMUM IN
major_thickness0.106 INCHES MINIMUM AND 0.112 INCHES MAXIMUM IN
surface_treatmentCADMIUM
feather_edge_angle45.0 DEGREES NOMINAL
center_hole_diameter0.750 INCHES NOMINAL IN
recess_inside_diameter1.125 INCHES NOMINAL IN
base_material_thickness0.063 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5340-00-376-8889
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D25280 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
•
MATERIAL DOCUMENT AND CLASSIFICATION: KK-L-181,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE DIAMETER: 0.750 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.063 INCHES NOMINAL IN
•
MATERIAL: LEATHER CATTLEHIDE OVERALL
•
RECESS INSIDE DIAMETER: 1.125 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE45.0 DEGREES NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONKK-L-181,GRADE A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL LENGTH0.219 INCHES NOMINAL IN
CENTER HOLE DIAMETER0.750 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.063 INCHES NOMINAL IN
MATERIALLEATHER CATTLEHIDE OVERALL
RECESS INSIDE DIAMETER1.125 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D25280?
D25280 is a CUP,COMPRESSION.
What is the NSN for D25280?
D25280 is cataloged in the U.S. Government catalog under NSN 5340-00-376-8889. 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.