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20949-3 — HEATER,SPACE,ELECTRIC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

20949-3: HEATER,SPACE,ELECTRIC.

The HEATER,SPACE,ELECTRIC is a the manufacturer industrial component. Key specifications include depth: 14.500 INCHES NOMINAL IN, phase: THREE, width: 13.500 INCHES NOMINAL IN, height: 17.000 INCHES NOMINAL IN, current_type: AC, mounting_type: CEILING SUSPENDED. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-308-7458, 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
20949-3
NSN: 5330-01-308-7458
NIINs: 013087458, 014166900
FSC: 5330 — Packing and Gasket Materials
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
depth14.500 INCHES NOMINAL IN
phaseTHREE
width13.500 INCHES NOMINAL IN
height17.000 INCHES NOMINAL IN
current_typeAC
mounting_typeCEILING SUSPENDED
prime_mover_typeELECTRIC MOTOR
special_featuresHERMETICALLY SEALED
voltage_in_volts440.0
inclosure_materialSTEEL CORROSION RESISTING
circulated_air_typeHEATED
heat_outlet_quantity1
NSN5330-01-308-7458
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 20949-3 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
SUBSTITUTES & CROSS-REFERENCES 5
202B4076G1S2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
20284076G1S2Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
21524826-1Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
21524826Reference document
Same NSN cross-reference
Reference document — Secondary reference
DRP-16087 PC 8Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20949-3?
20949-3 is a HEATER,SPACE,ELECTRIC.
What parts can replace 20949-3?
There are 5 known substitutes for 20949-3: 202B4076G1S2, 20284076G1S2, 21524826-1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20949-3?
20949-3 is cataloged in the U.S. Government catalog under NSN 5330-01-308-7458. This indicates validated use in U.S. government and defense supply chains.
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