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B-44-3 — RESISTOR,FIXED,WIRE WOUND

✓ Government record, cited
Bosch · PIPE SECTION
PRODUCT OVERVIEW

B-44-3: RESISTOR,FIXED,WIRE WOUND.

The B443 provides 3G/4G IP communication over a GPRS/EDGE/UMTS/HSPA+ cellular network by plugging into any compatible Bosch control panel or B450 Conettix Plug-in Communicator Interface. Typical applications are: • Alarm reporting to a central station • Remote control panel programming through Remote Programming Software with supported control panels • Remote monitoring and control through a mobile application with supported control panels • Personal notification using SMS for compatible control panels The B443 is built for a wide variety of secure commercial and industrial applications. Flexible endto-end path supervision, 128-bit to 256-bit AES encryption, and anti-substitution features make B443 desirable for high security and fire monitoring applications.

This part is cataloged in the U.S. Government catalog under NSN 4720-00-125-7873, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
B-44-3
NSN: 4720-00-125-7873
NIINs: 001257873, 001819140, 001819156, 002570405, 003517316, 004219302, 007640713, 007640714, 007640716, 008340568, 008380435, 009529358, 009569338, 009747071, 009766779, 009766832, 009960371, 009960377, 009960379, 010880877, 011952724, 012831895, 013208875, 013250019, 013250020, 013634289, 015600580, 017000419
FSC: 4720 — Hose and Flexible Tubing
CAGE: 61501 — SAINT-GOBAIN PERFORMANCE PLASTICS (USA)
SPECIFICATIONS
materialALUMINUM OXIDE
body_width4.000 INCHES NOMINAL IN
cover_typeBLANK
body_length4.000 INCHES NOMINAL IN
flexibilityFLEXIBLE
temp_rating-49.0 FAHRENHEIT AND 165.0 FAHRENHEIT SINGLE RESPONSE DEGF
inside_depth2.040 INCHES NOMINAL IN
overall_width7.75 INCHES NOMINAL IN
exterior_colorCLEAR
overall_height16.0 INCHES NOMINAL IN
inside_diameter0.250 INCHES NOMINAL IN
outside_diameter0.438 INCHES NOMINAL IN
NSN4720-00-125-7873
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: B-44-3 · Bosch ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
TEMP RATING: -49.0 FAHRENHEIT AND 165.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
FLEXIBILITY: FLEXIBLE
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
OPERATING PRESSURE: 45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
EXTERIOR COLOR: CLEAR
•
INSIDE DIAMETER: 0.188 INCHES NOMINAL IN
•
INSIDE SURFACE CONDITION: SMOOTH
TECHNICAL CHARACTERISTICS
TEMP RATING-49.0 FAHRENHEIT AND 165.0 FAHRENHEIT SINGLE RESPONSE DEGF
FLEXIBILITYFLEXIBLE
CROSS-SECTIONAL SHAPE STYLEROUND
OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
OPERATING PRESSURE45.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
EXTERIOR COLORCLEAR
INSIDE DIAMETER0.188 INCHES NOMINAL IN
INSIDE SURFACE CONDITIONSMOOTH
MINIMUM TENSILE STRENGTH2300 POUNDS PER SQUARE INCH LBS
MATERIALPLASTIC VINYL TUBE
SUBSTITUTES & CROSS-REFERENCES 6
74-995Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
B44-3-3/16IDX5/16ODReference document
Same NSN cross-reference
Reference document — Replaced / superseded reference
90054276Reference document
Same NSN cross-reference
Reference document — Secondary reference
974-995Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
RNT-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
730 3/16 I.D.Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B-44-3?
B-44-3 is a RESISTOR,FIXED,WIRE WOUND manufactured by Bosch.
What parts can replace B-44-3?
There are 6 known substitutes for B-44-3: 74-995, B44-3-3/16IDX5/16OD, 90054276 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B-44-3?
B-44-3 is cataloged in the U.S. Government catalog under NSN 4720-00-125-7873. 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.