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508-257 — PANEL,CONTROL,ELECTRICAL-ELECTRO

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

508-257: PANEL,CONTROL,ELECTRICAL-ELECTRO.

PANEL,CONTROL,ELECTRICAL-ELECTRO. Key specifications include material: STEEL OVERALL, largest_width: 0.188 INCHES SINGLE END IN, overall_width: 2.187 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN, overall_length: 5.687 INCHES MINIMUM AND 5.707 INCHES MAXIMUM IN, special_features: 0.156 IN. LONG SLOT INCLUDED AT CONDUCTOR END IN, basic_shape_style: SOLDER.

This part is cataloged in the U.S. Government catalog under NSN 5940-00-903-7754, 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
508-257
NSN: 5940-00-903-7754
NIINs: 009037754, 015186384
FSC: 5940 — Lugs, Terminals, and Terminal Strips
CAGE: 79963 — ZIERICK MFG CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
largest_width0.188 INCHES SINGLE END IN
overall_width2.187 INCHES MINIMUM AND 2.207 INCHES MAXIMUM IN
overall_length5.687 INCHES MINIMUM AND 5.707 INCHES MAXIMUM IN
special_features0.156 IN. LONG SLOT INCLUDED AT CONDUCTOR END IN
basic_shape_styleSOLDER
overall_thickness0.207 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN
surface_treatmentTIN OVERALL SINGLE LAYER
material_thickness0.025 INCHES IN
mounting_method_styleRING
mounting_tongue_width0.500 INCHES IN
mounting_hole_diameter0.257 INCHES IN
NSN5940-00-903-7754
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PANEL,CONTROL,ELECTRICAL-ELECTRO TITLE COMPONENT PN 508-257 MFR PANEL,CONTROL,ELECTRIC
KEY FEATURES
•
MOUNTING FACILITY THICKNESS: 0.025 INCHES IN
•
MOUNTING HOLE DIAMETER: 0.257 INCHES IN
•
MAXIMUM CONDUCTOR SIZE ACCOMMODATED: 6 AWG
•
BASIC SHAPE STYLE: SOLDER
•
MOUNTING METHOD STYLE: RING
•
ELECTRICAL INSULATION FEATURE: UNINSULATED
TECHNICAL CHARACTERISTICS
OVERALL LENGTH1.656 INCHES IN
MOUNTING FACILITY THICKNESS0.025 INCHES IN
MOUNTING HOLE DIAMETER0.257 INCHES IN
MAXIMUM CONDUCTOR SIZE ACCOMMODATED6 AWG
BASIC SHAPE STYLESOLDER
MOUNTING METHOD STYLERING
ELECTRICAL INSULATION FEATUREUNINSULATED
OVERALL WIDTH0.500 INCHES IN
CONDUCTOR ACCOMMODATION TYPEFLAT LUG W/SINGLE NOTCH ON EACH SIDE SINGLE END
SPECIAL FEATURES0.156 IN. LONG SLOT INCLUDED AT CONDUCTOR END IN
SUBSTITUTES & CROSS-REFERENCES 3
1145158Reference document
Same NSN cross-reference
Reference document — Secondary reference
979Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
508Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 508-257?
508-257 is a PANEL,CONTROL,ELECTRICAL-ELECTRO.
What parts can replace 508-257?
There are 3 known substitutes for 508-257: 1145158, 979, 508. Substitute compatibility should be verified for your specific system.
What is the NSN for 508-257?
508-257 is cataloged in the U.S. Government catalog under NSN 5940-00-903-7754. 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.