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B4745 — B4745

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

B4745: B4745.

The B4745 is a the manufacturer industrial component. Key specifications include material: PLASTIC, movement_type: MOVING IRON VANE, overall_width: 2.594 INCHES NOMINAL IN, overall_height: 2.375 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, style_designator: RECTANGULAR FLUSH MTG. This part is cataloged in the U.S.

Government catalog under NSN 6625-00-903-8041, 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→ B4745
NSN: 6625-00-903-8041
FSC: 6625 — Electrical and Electronic Properties Measuring and Testing Instruments
CAGE: 74542 — HOYT ELECTRICAL INSTRUMENT WORKS, INC. DBA HOYT ELECTRICAL INSTRUMENT WORKS INC (USA)
SPECIFICATIONS
materialPLASTIC
movement_typeMOVING IRON VANE
overall_width2.594 INCHES NOMINAL IN
overall_height2.375 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
style_designatorRECTANGULAR FLUSH MTG
measurement_range+0.0 TO 8.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
accuracy_in_percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
installation_designPANEL
scale_division_quantity40 SINGLE INDICATOR SINGLE RANGE
dial_scale_marking_colorBLACK SINGLE INDICATOR SINGLE RANGE
circuit_current_for_which_designedDC
NSN6625-00-903-8041
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available B4745 TITLE COMPONENT PN B4745 MFR B4745
KEY FEATURES
•
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 2.156 INCHES NOMINAL IN
•
CIRCUIT ATTACHMENT METHOD AND QUANTITY: 2 THREADED STUD
•
METER DEPTH BEHIND MOUNTING FLANGE: 1.125 INCHES NOMINAL IN
•
CIRCUIT CURRENT FOR WHICH DESIGNED: DC
•
MOVEMENT TYPE: MOVING IRON VANE
•
ACCURACY IN PERCENT: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
•
STYLE DESIGNATOR: RECTANGULAR FLUSH MTG
TECHNICAL CHARACTERISTICS
METER BODY DIAMETER BEHIND MOUNTING FLANGE2.156 INCHES NOMINAL IN
OVERALL HEIGHT2.375 INCHES NOMINAL IN
CIRCUIT ATTACHMENT METHOD AND QUANTITY2 THREADED STUD
METER DEPTH BEHIND MOUNTING FLANGE1.125 INCHES NOMINAL IN
CIRCUIT CURRENT FOR WHICH DESIGNEDDC
MOVEMENT TYPEMOVING IRON VANE
ACCURACY IN PERCENT-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
STYLE DESIGNATORRECTANGULAR FLUSH MTG
OVERALL LENGTH2.250 INCHES NOMINAL IN
OVERALL WIDTH2.594 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
750515Reference document
Same NSN cross-reference
Reference document — Secondary reference
753372Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
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 B4745?
B4745 is a B4745. It is classified as a MRO (MRO_GENERAL).
What parts can replace B4745?
There are 2 known substitutes for B4745: 750515, 753372. Substitute compatibility should be verified for your specific system.
What is the NSN for B4745?
B4745 is cataloged in the U.S. Government catalog under NSN 6625-00-903-8041. 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.