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49271 — SWITCH,ROTARY

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

49271: SWITCH,ROTARY.

The SWITCH,ROTARY is a the manufacturer industrial component. Key specifications include inside_diameter: 0.375 INCHES NOMINAL IN, outside_diameter: 1.0 INCHES NOMINAL IN, overall_thickness: 0.375 INCHES NOMINAL IN, end_item_identification: 1740-01-575-5662, MT3 TRACTOR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-154-4964, 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
49271
NSN: 5330-00-154-4964
NIINs: 001544964, 013305395, 015988689
FSC: 5330 — Packing and Gasket Materials
CAGE: 79150 — DANA AUTOMOTIVE SYSTEMS GROUP, LLC DBA DANA SEALING PRODUCTS (USA)
SPECIFICATIONS
inside_diameter0.375 INCHES NOMINAL IN
outside_diameter1.0 INCHES NOMINAL IN
overall_thickness0.375 INCHES NOMINAL IN
end_item_identification1740-01-575-5662, MT3 TRACTOR
NSN5330-00-154-4964
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 49271 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 2
23139Reference document
Same NSN cross-reference
Reference document — Secondary reference
5B7017Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 49271?
49271 is a SWITCH,ROTARY.
What parts can replace 49271?
There are 2 known substitutes for 49271: 23139, 5B7017. Substitute compatibility should be verified for your specific system.
What is the NSN for 49271?
49271 is cataloged in the U.S. Government catalog under NSN 5330-00-154-4964. This indicates validated use in U.S. government and defense supply chains.
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