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4157-018 — LAMPHOLDER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

4157-018: LAMPHOLDER.

The LAMPHOLDER is a the manufacturer industrial component. Key specifications include material: STEEL MOUNTING, clip_width: 0.438 INCHES NOMINAL IN, clip_height: 0.562 INCHES NOMINAL IN, terminal_type: WIRE LEAD, overall_height: 1.000 INCHES NOMINAL IN, outside_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6250-00-299-3399, 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
4157-018
NSN: 6250-00-299-3399
FSC: 6250 — Ballasts, Lampholders, and Starters
CAGE: 71744 — CHICAGO MINIATURE LIGHTING LLC DBA CHICAGO MINIATURE OPTOELECTRON (USA)
SPECIFICATIONS
materialSTEEL MOUNTING
clip_width0.438 INCHES NOMINAL IN
clip_height0.562 INCHES NOMINAL IN
terminal_typeWIRE LEAD
overall_height1.000 INCHES NOMINAL IN
outside_diameter0.500 INCHES NOMINAL IN
style_designatorBAYONET
voltage_in_volts125.0
terminal_quantity2
mounting_clip_styleUP
mounting_feature_typeSURFACE
wiring_provision_length10.000 INCHES NOMINAL IN
NSN6250-00-299-3399
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available LAMPHOLDER TITLE COMPONENT PN 4157-018 MFR LAMPHOLDER
KEY FEATURES
•
CLIP HEIGHT: 0.562 INCHES NOMINAL IN
•
TERMINAL QUANTITY: 2
•
TERMINAL TYPE: WIRE LEAD
•
STYLE DESIGNATOR: BAYONET
•
VOLTAGE IN VOLTS: 125.0
•
OUTSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
LAMP BASE TYPE ACCOMMODATED: MINIATURE BAYONET
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.000 INCHES NOMINAL IN
CLIP HEIGHT0.562 INCHES NOMINAL IN
TERMINAL QUANTITY2
TERMINAL TYPEWIRE LEAD
STYLE DESIGNATORBAYONET
VOLTAGE IN VOLTS125.0
OUTSIDE DIAMETER0.500 INCHES NOMINAL IN
LAMP BASE TYPE ACCOMMODATEDMINIATURE BAYONET
MOUNTING CLIP STYLEUP
MOUNTING DEVICE QUANTITY1
OTHER ITEMS IN FSC 6250 — Ballasts, Lampholders, and Starters
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6250-00-001-1257 6250-00-001-1527 6250-00-001-1528 6250-00-001-3911 6250-00-001-4188 6250-00-001-4195 6250-00-001-8313 6250-00-003-0265
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4157-018?
4157-018 is a LAMPHOLDER.
What is the NSN for 4157-018?
4157-018 is cataloged in the U.S. Government catalog under NSN 6250-00-299-3399. 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.