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S1928 — INDICATOR,SYNCHRONIZATION

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

S1928: INDICATOR,SYNCHRONIZATION.

The INDICATOR,SYNCHRONIZATION is a the manufacturer industrial component. Key specifications include shape: TAPERED, material: ALUMINUM BODY, voltage_rating_in_volts: 28.0 DC NOMINAL, lamp_type_accommodated_and_quantity: 1 INCANDESCENT. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-403-1613, 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
S1928
NSN: 2990-00-403-1613
NIINs: 004031613, 014171446
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
shapeTAPERED
materialALUMINUM BODY
voltage_rating_in_volts28.0 DC NOMINAL
lamp_type_accommodated_and_quantity1 INCANDESCENT
NSN2990-00-403-1613
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available INDICATOR,SYNCHRONIZATION TITLE COMPONENT PN S1928 MFR INDICATOR,SYNCHRONIZAT
KEY FEATURES
•
INLET OUTSIDE DIAMETER: 3.640 INCHES NOMINAL SINGLE INLET IN
•
INLET LOCATION: LOCATED 6-3/4 IN. C TO C FROM HORIZONTAL CENTER LINE IN
•
COOLANT TYPE: AIR
•
DESIGN TYPE: DRY
•
OUTLET INSIDE DIAMETER: 3.025 INCHES NOMINAL FIRST OUTLET IN
•
INLET PROJECTION LENGTH: 2.500 INCHES NOMINAL SINGLE INLET IN
•
BAFFLE QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT10.000 INCHES NOMINAL IN
INLET OUTSIDE DIAMETER3.640 INCHES NOMINAL SINGLE INLET IN
INLET LOCATIONLOCATED 6-3/4 IN. C TO C FROM HORIZONTAL CENTER LINE IN
COOLANT TYPEAIR
DESIGN TYPEDRY
OUTLET INSIDE DIAMETER3.025 INCHES NOMINAL FIRST OUTLET IN
INLET PROJECTION LENGTH2.500 INCHES NOMINAL SINGLE INLET IN
BAFFLE QUANTITY2
OVERALL LENGTH28.000 INCHES NOMINAL IN
OVERALL WIDTH11.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 3
ABT9520Reference document
Same NSN cross-reference
Reference document — Secondary reference
09520NSame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
9520Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is S1928?
S1928 is a INDICATOR,SYNCHRONIZATION.
What parts can replace S1928?
There are 3 known substitutes for S1928: ABT9520, 09520N, 9520. Substitute compatibility should be verified for your specific system.
What is the NSN for S1928?
S1928 is cataloged in the U.S. Government catalog under NSN 2990-00-403-1613. 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.