PartsTable
Technical Data Sheet
Download PDF

1997028 — SWITCH,BEAM SELECTING,HEADLIGHT

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

1997028: SWITCH,BEAM SELECTING,HEADLIGHT.

SWITCH,BEAM SELECTING,HEADLIGHT. Key specifications include body_style: HOLE MOUNTED, body_width: 1.220 INCHES NOMINAL IN, body_height: 1.062 INCHES NOMINAL IN, body_length: 1.134 INCHES NOMINAL IN, actuator_style: ROUND, actuator_height: 1.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2590-00-860-9918, 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→ 1997028
NSN: 2590-00-860-9918
NIINs: 008609918, 008947387
FSC: 2590 — Miscellaneous Vehicular Components
CAGE: 1LW55 — BORGWARNER PDS (ANDERSON), L.L.C. (USA)
SPECIFICATIONS
body_styleHOLE MOUNTED
body_width1.220 INCHES NOMINAL IN
body_height1.062 INCHES NOMINAL IN
body_length1.134 INCHES NOMINAL IN
actuator_styleROUND
actuator_height1.000 INCHES NOMINAL IN
actuator_diameter0.810 INCHES NOMINAL IN
terminal_type_and_quantity3 TAB, SOLDER LUG
nonpile-up_contact_arrangement1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
hazardous_locations/environmental_protectionWEATHERPROOF
center_to_center_distance_between_mounting_facilities_parallel_to_length1.812 INCHES NOMINAL IN
NSN2590-00-860-9918
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,BEAM SELECTING,HEADLIGHT TITLE COMPONENT PN 1997028 MFR SWITCH,BEAM SELECTING,
KEY FEATURES
•
ACTUATOR DIAMETER: 0.810 INCHES NOMINAL IN
•
BODY STYLE: HOLE MOUNTED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.812 INCHES NOMINAL IN
•
ACTUATOR STYLE: ROUND
•
BODY WIDTH: 1.220 INCHES NOMINAL IN
•
BODY HEIGHT: 1.062 INCHES NOMINAL IN
•
BODY LENGTH: 1.134 INCHES NOMINAL IN
•
NONPILE-UP CONTACT ARRANGEMENT: 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
TECHNICAL CHARACTERISTICS
ACTUATOR DIAMETER0.810 INCHES NOMINAL IN
BODY STYLEHOLE MOUNTED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.812 INCHES NOMINAL IN
ACTUATOR STYLEROUND
BODY WIDTH1.220 INCHES NOMINAL IN
BODY HEIGHT1.062 INCHES NOMINAL IN
BODY LENGTH1.134 INCHES NOMINAL IN
NONPILE-UP CONTACT ARRANGEMENT1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT
TERMINAL TYPE AND QUANTITY3 TAB, SOLDER LUG
ACTUATOR HEIGHT1.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
594189C1Reference 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
Ready to buy 1997028?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1997028?
1997028 is a SWITCH,BEAM SELECTING,HEADLIGHT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1997028?
There is 1 known substitute for 1997028: 594189C1. Substitute compatibility should be verified for your specific system.
What is the NSN for 1997028?
1997028 is cataloged in the U.S. Government catalog under NSN 2590-00-860-9918. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1997028

✓ 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.