PartsTable
Technical Data Sheet
B-1 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Stranded for flexible routing, solid for conduit THHN/THWN dual-rated — check both tables
Ampacity depends on installation method
PRODUCT OVERVIEW

The RELAY,ELECTROMAGNETIC is a the manufacturer industrial component. Key specifications include color: NATURAL, cover: NOT PROVIDED, phase: SINGLE, width: 2.750 INCHES IN, author: MEMOVOX INC, handle: NOT FURNISHED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6145-00-128-8690, 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 B-1
NSN: 6145-00-128-8690
FSC: 6145
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
colorNATURAL
coverNOT PROVIDED
phaseSINGLE
width2.750 INCHES IN
authorMEMOVOX INC
handleNOT FURNISHED
height0.875 INCHES NOMINAL IN
ladderINCLUDED
length4.500 INCHES IN
liningNOT FURNISHED
materialCOPPER ALLOY BODY
quantity2
NSN6145-00-128-8690
COMPONENT DIAGRAM
WIRE / CABLE — AMPACITY DEPENDS ON INSTALLATION CROSS-SECTION JACKET WIRE SPECIFICATIONS Conductor Size: — Conductor Count: — Voltage Rating: — Insulation: — Temp Rating: — PN: B-1 · OEM ⚠ VERIFY BEFORE ORDERING Ampacity depends on installation method — conduit ≠ free air ≠ underground. Same wire, different ratings. AWG sizing is inverse — smaller number = thicker wire (4 AWG > 12 AWG) ✓ BROKER TIP Stranded = flexible routing and vibration resistance. Solid = fixed conduit runs only. THHN/THWN = dual rated — check both dry and wet ampacity tables PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
CROSS SECTION OUTSIDE DIAMETER: 0.040 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-W-343,HARD FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
SPECIFICATION/STANDARD DATA: 81346-ASTMB1-56 MANUFACTURERS STANDARD
TEST DATA DOCUMENT: 81346-ASTMB1-56 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CONDUCTOR FORM: SOLID SINGLE CONDUCTOR
MATERIAL: COPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE: 18 AWG SINGLE CONDUCTOR
TEMP RATING: 20.0 CELSIUS DEGC
TECHNICAL CHARACTERISTICS (FLIS)
CROSS SECTION OUTSIDE DIAMETER0.040 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-W-343,HARD FED SPEC SINGLE MATERIAL RESPONSE CORE CONDUCTOR SINGLE CONDUCTOR
SPECIFICATION/STANDARD DATA81346-ASTMB1-56 MANUFACTURERS STANDARD
TEST DATA DOCUMENT81346-ASTMB1-56 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
CONDUCTOR FORMSOLID SINGLE CONDUCTOR
MATERIALCOPPER CORE CONDUCTOR SINGLE CONDUCTOR
ROUND CONDUCTOR SIZE18 AWG SINGLE CONDUCTOR
TEMP RATING20.0 CELSIUS DEGC
CROSS-SECTIONAL SHAPE STYLEROUND
CROSS SECTION OUTSIDE DIAMETER0.040 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
B1Upgraded Successor
successor cross-reference
successor
61042Interchangeable
interchangeable cross-reference
interchangeable
H42Interchangeable
interchangeable cross-reference
interchangeable
45616337-01Interchangeable
interchangeable cross-reference
interchangeable
43764Interchangeable
interchangeable cross-reference
interchangeable
1S035PC17Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B-1?
B-1 is a RELAY,ELECTROMAGNETIC. It is classified as a MRO (MRO_GENERAL).
What parts can replace B-1?
There are 7 known substitutes for B-1: B1, 61042, H42 and 4 more. Substitute compatibility should be verified for your specific system.
Is B-1 still available?
B-1 is currently cancelled.
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