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PR2741 — SWITCH,TELEPHONE,SELECTOR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

PR2741: SWITCH,TELEPHONE,SELECTOR.

The SWITCH,TELEPHONE,SELECTOR is a the manufacturer industrial component. Key specifications include unit_type: SAFETY, taper_socket_size_for_which_designed: 1 MORSE. This part is cataloged in the U.S.

Government catalog under NSN 5120-00-528-2741, 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
PR2741
NSN: 5120-00-528-2741
FSC: 5120 — Hand Tools, Nonedged, Nonpowered
CAGE: 7F111 — P. R. MACHINE WORKS, INC. (USA)
SPECIFICATIONS
unit_typeSAFETY
taper_socket_size_for_which_designed1 MORSE
NSN5120-00-528-2741
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,TELEPHONE,SELECTOR TITLE COMPONENT PN PR2741 MFR SWITCH,TELEPHONE,SELEC
KEY FEATURES
•
TAPER SOCKET SIZE FOR WHICH DESIGNED: 1 MORSE
•
UNIT TYPE: SAFETY
TECHNICAL CHARACTERISTICS
TAPER SOCKET SIZE FOR WHICH DESIGNED1 MORSE
UNIT TYPESAFETY
SUBSTITUTES & CROSS-REFERENCES 2
89-491Reference document
Same NSN cross-reference
Reference document — Secondary reference
1-AReference 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 PR2741?
PR2741 is a SWITCH,TELEPHONE,SELECTOR.
What parts can replace PR2741?
There are 2 known substitutes for PR2741: 89-491, 1-A. Substitute compatibility should be verified for your specific system.
What is the NSN for PR2741?
PR2741 is cataloged in the U.S. Government catalog under NSN 5120-00-528-2741. 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.