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Technical Data Sheet
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1981846 — 1981846

✓ Government record, cited
NORTHROP GRUMMAN SYSTEMS CORPORATION · ORING SEAL
PRODUCT OVERVIEW

1981846: 1981846.

The 1981846 is a NORTHROP GRUMMAN SYSTEMS CORPORATION industrial component. This part is cataloged in the U.S. Government catalog under NSN 5340-01-456-9722, 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
1981846
NSN: 5340-01-456-9722
FSC: 5340 — Hardware, Commercial
CAGE: 03956 — NORTHROP GRUMMAN SYSTEMS CORPORATION (USA)
SPECIFICATIONS
Part Number1981846
ManufacturerNORTHROP GRUMMAN SYSTEMS CORPORATION
NSN5340-01-456-9722
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 1981846 MFR: NORTHROP GRUMMAN SYSTEMS CORPORATION ⚠ 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
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 1981846?
1981846 is a 1981846 manufactured by NORTHROP GRUMMAN SYSTEMS CORPORATION.
What is the NSN for 1981846?
1981846 is cataloged in the U.S. Government catalog under NSN 5340-01-456-9722. This indicates validated use in U.S. government and defense supply chains.
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