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M50819 — SEAL ASSEMBLY,SHAFT,SPRING LOADE

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

M50819: SEAL ASSEMBLY,SHAFT,SPRING LOADE.

SEAL ASSEMBLY,SHAFT,SPRING LOADE. This part is cataloged in the U.S. Government catalog under NSN 4320-00-876-3574, 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
M50819
NSN: 4320-00-876-3574
FSC: 4320 — Power and Hand Pumps
CAGE: 71724 — JOHN CRANE, INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCONSIST OF 10 ITEMS 1 SEAT,1 RUBBER SYNTHETIC SEAT RING,1 CARBON WASHER,1 RUBBER SYNTHETIC BELLOW,1 BRASS RETAINER,1 SPRING,1 BRASS DISC,1 BRASS DRIVE BAND,1 SLEEVE,1 RUBBER SYNTHETIC C'RING
NSN4320-00-876-3574
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEAL ASSEMBLY,SHAFT,SPRING LOADE TITLE COMPONENT PN M50819 MFR SEAL ASSEMBLY,SHAFT,SP
KEY FEATURES
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: CONSIST OF 10 ITEMS 1 SEAT,1 RUBBER SYNTHETIC SEAT RING,1 CARBON WASHER,1 RUBBER SYNTHETIC BELLOW,1 BRASS RETAINER,1 SPRING,1 BRASS DISC,1 BRASS DRIVE BAND,1 SLEEVE,1 RUBBER SYNTHETIC C'RING
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONCONSIST OF 10 ITEMS 1 SEAT,1 RUBBER SYNTHETIC SEAT RING,1 CARBON WASHER,1 RUBBER SYNTHETIC BELLOW,1 BRASS RETAINER,1 SPRING,1 BRASS DISC,1 BRASS DRIVE BAND,1 SLEEVE,1 RUBBER SYNTHETIC C'RING
SUBSTITUTES & CROSS-REFERENCES 5
NSP00329 BF9120151 (BRASS/316)Reference document
Same NSN cross-reference
Reference document — Secondary reference
NSP-00329Reference document
Same NSN cross-reference
Reference document — Secondary reference
NSP-00329 M501-89Reference document
Same NSN cross-reference
Reference document — Secondary reference
S1150Reference document
Same NSN cross-reference
Reference document — Secondary reference
NSP00329 BF9110151Reference document
Same NSN cross-reference
Reference document — Secondary 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 M50819?
M50819 is a SEAL ASSEMBLY,SHAFT,SPRING LOADE.
What parts can replace M50819?
There are 5 known substitutes for M50819: NSP00329 BF9120151 (BRASS/316), NSP-00329, NSP-00329 M501-89 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M50819?
M50819 is cataloged in the U.S. Government catalog under NSN 4320-00-876-3574. 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.