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D1218712 — PLUNGER,DETENT

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

D1218712: PLUNGER,DETENT.

The PLUNGER,DETENT is a the manufacturer industrial component. Key specifications include length: 545.8 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM, diameter: 0.90 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM, criticality_code_justification: ABRY AND ABMZ. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-487-6789, 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
D1218712
NSN: 5340-01-487-6789
FSC: 5340 — Hardware, Commercial
CAGE: A0461 — CALZONI SRL (ITA)
SPECIFICATIONS
length545.8 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
diameter0.90 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
criticality_code_justificationABRY AND ABMZ
NSN5340-01-487-6789
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: D1218712 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
•
LENGTH: 545.8 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
•
CRITICALITY CODE JUSTIFICATION: ABRY AND ABMZ
•
DIAMETER: 0.90 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
TECHNICAL CHARACTERISTICS
LENGTH545.8 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
CRITICALITY CODE JUSTIFICATIONABRY AND ABMZ
DIAMETER0.90 MILLIMETERS NOMINAL LOCATION NOT OTHERWISE SPECIFIED MM
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D1218712?
D1218712 is a PLUNGER,DETENT.
What is the NSN for D1218712?
D1218712 is cataloged in the U.S. Government catalog under NSN 5340-01-487-6789. 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.