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19940NE — BOOT,DUST AND MOISTURE SEAL

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

19940NE: BOOT,DUST AND MOISTURE SEAL.

The BOOT,DUST AND MOISTURE SEAL is a the manufacturer industrial component. Key specifications include special_features: THIS IS A COMPONENT PART NUMBER OF AN EMERGENCY VALVE, end_item_identification: 4930-01-517-6939, part_name_assigned_by_controlling_agency: STUFFING BOX BOOT. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-597-1335, 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
19940NE
NSN: 5340-01-597-1335
FSC: 5340 — Hardware, Commercial
CAGE: 13226 — BETTS INDUSTRIES, INC. (USA)
SPECIFICATIONS
special_featuresTHIS IS A COMPONENT PART NUMBER OF AN EMERGENCY VALVE
end_item_identification4930-01-517-6939
part_name_assigned_by_controlling_agencySTUFFING BOX BOOT
NSN5340-01-597-1335
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 19940NE 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESTHIS IS A COMPONENT PART NUMBER OF AN EMERGENCY VALVE
PART NAME ASSIGNED BY CONTROLLING AGENCYSTUFFING BOX BOOT
END ITEM IDENTIFICATION4930-01-517-6939
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 19940NE?
19940NE is a BOOT,DUST AND MOISTURE SEAL.
What is the NSN for 19940NE?
19940NE is cataloged in the U.S. Government catalog under NSN 5340-01-597-1335. 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.