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A3945V — CUP,COMPRESSION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A3945V: CUP,COMPRESSION.

The CUP,COMPRESSION is a the manufacturer industrial component. Key specifications include material: RUBBER OVERALL, overall_length: 1.625 INCHES NOMINAL IN, feather_edge_angle: 12.5 DEGREES NOMINAL, center_hole_diameter: 1.125 INCHES NOMINAL IN, recess_inside_diameter: 0.188 INCHES NOMINAL IN, base_material_thickness: 0.050 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-083-7169, 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
A3945V
NSN: 5340-00-083-7169
FSC: 5340 — Hardware, Commercial
CAGE: 88233 — PARKER HANNIFIN CORPORATION DBA SCHRAEDER BELLOWS DIV PNEUMATIC DIVISION (USA)
SPECIFICATIONS
materialRUBBER OVERALL
overall_length1.625 INCHES NOMINAL IN
feather_edge_angle12.5 DEGREES NOMINAL
center_hole_diameter1.125 INCHES NOMINAL IN
recess_inside_diameter0.188 INCHES NOMINAL IN
base_material_thickness0.050 INCHES NOMINAL IN
NSN5340-00-083-7169
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A3945V 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: 12.5 DEGREES NOMINAL
•
CENTER HOLE DIAMETER: 1.125 INCHES NOMINAL IN
•
BASE MATERIAL THICKNESS: 0.050 INCHES NOMINAL IN
•
MATERIAL: RUBBER OVERALL
•
RECESS INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
FEATHER EDGE ANGLE12.5 DEGREES NOMINAL
OVERALL LENGTH1.625 INCHES NOMINAL IN
CENTER HOLE DIAMETER1.125 INCHES NOMINAL IN
BASE MATERIAL THICKNESS0.050 INCHES NOMINAL IN
MATERIALRUBBER OVERALL
RECESS INSIDE DIAMETER0.188 INCHES NOMINAL IN
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 1
H222-32V-CUPReference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 A3945V?
A3945V is a CUP,COMPRESSION.
What parts can replace A3945V?
There is 1 known substitute for A3945V: H222-32V-CUP. Substitute compatibility should be verified for your specific system.
What is the NSN for A3945V?
A3945V is cataloged in the U.S. Government catalog under NSN 5340-00-083-7169. 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.