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Y245181 — RETAINER,HELICAL COMPRESSION SPR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

Y245181: RETAINER,HELICAL COMPRESSION SPR.

RETAINER,HELICAL COMPRESSION SPR. Key specifications include material: STEEL, overall_height: 0.688 INCHES NOMINAL IN, end_hole_diameter: 1.750 INCHES NOMINAL IN, inside_chamfer_depth: 0.250 INCHES NOMINAL IN, body_outside_diameter: 2.750 INCHES NOMINAL IN, outside_chamfer_depth: 0.125 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-126-3356, 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
Y245181
NSN: 5340-00-126-3356
FSC: 5340 — Hardware, Commercial
CAGE: 83032 — GOLDFIELD CORP THE (USA)
SPECIFICATIONS
materialSTEEL
overall_height0.688 INCHES NOMINAL IN
end_hole_diameter1.750 INCHES NOMINAL IN
inside_chamfer_depth0.250 INCHES NOMINAL IN
body_outside_diameter2.750 INCHES NOMINAL IN
outside_chamfer_depth0.125 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
NSN5340-00-126-3356
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: Y245181 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
•
BODY OUTSIDE DIAMETER: 2.750 INCHES NOMINAL IN
•
INSIDE CHAMFER DEPTH: 0.250 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MATERIAL: STEEL
•
OUTSIDE CHAMFER DEPTH: 0.125 INCHES NOMINAL IN
•
END HOLE DIAMETER: 1.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.688 INCHES NOMINAL IN
BODY OUTSIDE DIAMETER2.750 INCHES NOMINAL IN
INSIDE CHAMFER DEPTH0.250 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MATERIALSTEEL
OUTSIDE CHAMFER DEPTH0.125 INCHES NOMINAL IN
END HOLE DIAMETER1.750 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
2VHMA58AX1-17Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 Y245181?
Y245181 is a RETAINER,HELICAL COMPRESSION SPR.
What parts can replace Y245181?
There is 1 known substitute for Y245181: 2VHMA58AX1-17. Substitute compatibility should be verified for your specific system.
What is the NSN for Y245181?
Y245181 is cataloged in the U.S. Government catalog under NSN 5340-00-126-3356. 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.