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1PB557 — SWITCH,PUSH

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

1PB557: SWITCH,PUSH.

The SWITCH,PUSH is a the manufacturer industrial component. Key specifications include body_style: BUSHING MOUNTED, body_width: 0.390 INCHES MAXIMUM IN, body_height: 0.665 INCHES MAXIMUM IN, body_length: 0.780 INCHES MAXIMUM IN, bushing_length: 0.250 INCHES NOMINAL IN, inclosure_type: UNINCLOSED. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-005-5051, 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
MRO→ MRO_GENERAL→ 1PB557
NSN: 5930-01-005-5051
FSC: 5930 — Switches
CAGE: F3767 — SEF POWER (FRA)
SPECIFICATIONS
body_styleBUSHING MOUNTED
body_width0.390 INCHES MAXIMUM IN
body_height0.665 INCHES MAXIMUM IN
body_length0.780 INCHES MAXIMUM IN
bushing_length0.250 INCHES NOMINAL IN
inclosure_typeUNINCLOSED
actuator_height0.580 INCHES MAXIMUM IN
mounting_methodTHREADED BUSHING
actuator_diameter0.220 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch40
thread_series_designatorUNS
NSN5930-01-005-5051
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,PUSH TITLE COMPONENT PN 1PB557 MFR SWITCH,PUSH
KEY FEATURES
•
BUSHING LENGTH: 0.250 INCHES NOMINAL IN
•
ACTUATOR DIAMETER: 0.220 INCHES NOMINAL IN
•
INCLOSURE TYPE: UNINCLOSED
•
BODY STYLE: BUSHING MOUNTED
•
MOUNTING METHOD: THREADED BUSHING
•
BODY WIDTH: 0.390 INCHES MAXIMUM IN
•
BODY HEIGHT: 0.665 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
BUSHING LENGTH0.250 INCHES NOMINAL IN
ACTUATOR DIAMETER0.220 INCHES NOMINAL IN
INCLOSURE TYPEUNINCLOSED
BODY STYLEBUSHING MOUNTED
MOUNTING METHODTHREADED BUSHING
BODY WIDTH0.390 INCHES MAXIMUM IN
BODY HEIGHT0.665 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.250 INCHES IN
BODY LENGTH0.780 INCHES MAXIMUM IN
COLORWHITE SINGLE ACTUATOR
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 1PB557?
1PB557 is a SWITCH,PUSH. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 1PB557?
1PB557 is cataloged in the U.S. Government catalog under NSN 5930-01-005-5051. 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.