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Technical Data Sheet
956391 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The BEND,PIPE,RETURN is a the manufacturer industrial component. Key specifications include sterility: STERILE, inclosure_type: FULLY INCLOSED, unit_package_quantity: 72, disposition_after_initial_use: DISPOSABLE, nonsupply_items_and_quantities: GRADUATED 50 ML SCREW-CAP TUBE 1; FUNNEL WITH HINGED LID 1; LABEL 1; PROTECTIVE COVER 1; INDIVIDUAL PROTECTIVE BAG 1, part_name_assigned_by_controlling_agency: SPECIMEN KIT SPUTUM PLAS STER DISP GRAD 50ML SCREW-CAP TUBE 72S. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-250-1219, 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
956391
NSN: 5331-00-250-1219
FSC: 5331 — O-RING
CAGE: F6103 — LUCAS FRANCE SA DIV AEROSPACE FRANCE (FRA)
SPECIFICATIONS
sterilitySTERILE
inclosure_typeFULLY INCLOSED
special_featuresPLASTIC; MARKED IN INCREMENTS OF 2.5 ML FROM 5 TO 10 ML AND IN INCREMENTS OF 5 ML FROM 10 TO 50 ML; USED WITH SEALED DOME SHIELD; TUBE MAY BE CENTRIFUGED TO 3500 RPM; 72 KITS PER PACKAGE RPM
component_quantity5
unit_package_quantity72
disposition_after_initial_useDISPOSABLE
nonsupply_items_and_quantitiesGRADUATED 50 ML SCREW-CAP TUBE 1; FUNNEL WITH HINGED LID 1; LABEL 1; PROTECTIVE COVER 1; INDIVIDUAL PROTECTIVE BAG 1
part_name_assigned_by_controlling_agencySPECIMEN KIT SPUTUM PLAS STER DISP GRAD 50ML SCREW-CAP TUBE 72S
NSN5331-00-250-1219
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 956391 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
463E17Interchangeable
interchangeable cross-reference
interchangeable
956391Interchangeable
interchangeable cross-reference
interchangeable
C884BInterchangeable
interchangeable cross-reference
interchangeable
AS3570-223Interchangeable
Same NIIN cross-reference
interchangeable
AN123883Interchangeable
Same NIIN cross-reference
interchangeable
D27878Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 956391?
956391 is a BEND,PIPE,RETURN.
What parts can replace 956391?
There are 9 known substitutes for 956391: 463E17, 956391, C884B and 6 more. Substitute compatibility should be verified for your specific system.
Is 956391 still available?
956391 is currently cancelled.
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