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Technical Data Sheet
45E21-1 ✓ 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 HANGER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, style_designator: SPLIT RING, surface_treatment: CADMIUM, pipe_accommodation_diameter: 1.000 INCHES NOMINAL IN, supported_item_and_quantity: 1 CONDUIT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-965-7298, 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
45E21-1
NSN: 5340-00-965-7298
FSC: 5340
CAGE: 38597 — LOCKHEED MARTIN CORPORATION DIV ROTARY AND MISSION SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL
style_designatorSPLIT RING
surface_treatmentCADMIUM
pipe_accommodation_diameter1.000 INCHES NOMINAL IN
supported_item_and_quantity1 CONDUIT
NSN5340-00-965-7298
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 45E21-1 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
PIPE ACCOMMODATION DIAMETER: 1.000 INCHES NOMINAL IN
SURFACE TREATMENT: CADMIUM
MATERIAL: STEEL
STYLE DESIGNATOR: SPLIT RING
SUPPORTED ITEM AND QUANTITY: 1 CONDUIT
TECHNICAL CHARACTERISTICS (FLIS)
PIPE ACCOMMODATION DIAMETER1.000 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM
MATERIALSTEEL
STYLE DESIGNATORSPLIT RING
SUPPORTED ITEM AND QUANTITY1 CONDUIT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
D4587-1-26Upgraded Successor
successor cross-reference
successor
2Upgraded Successor
successor cross-reference
successor
2-WBUpgraded Successor
successor cross-reference
successor
68372Upgraded Successor
successor cross-reference
successor
917953Upgraded Successor
successor cross-reference
successor
9M147-2Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 45E21-1?
45E21-1 is a HANGER,PIPE.
What parts can replace 45E21-1?
There are 8 known substitutes for 45E21-1: D4587-1-26, 2, 2-WB and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45E21-1?
45E21-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-965-7298. This indicates validated use in U.S. government and defense supply chains.
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