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B1443 — B1443

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

B1443: B1443.

The B1443 is a the manufacturer industrial component. Key specifications include width: 2.438 INCHES NOMINAL IN, length: 6.750 INCHES NOMINAL IN, material: PLASTIC BOARD, thickness: 0.250 INCHES NOMINAL IN, terminal_type: WIRE LEAD, component_name: FIXED WIRE WOUND RESISTOR. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-491-1595, 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→ B1443
NSN: 5330-00-491-1595
NIINs: 004911595, 009526541, 015797206
FSC: 5330 — Packing and Gasket Materials
CAGE: 61208 — TWIN DISC, INCORPORATED DBA TWIN DISC MID-ATLANTIC (USA)
SPECIFICATIONS
width2.438 INCHES NOMINAL IN
length6.750 INCHES NOMINAL IN
materialPLASTIC BOARD
thickness0.250 INCHES NOMINAL IN
terminal_typeWIRE LEAD
component_nameFIXED WIRE WOUND RESISTOR
mounting_methodHOLE
special_featuresSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
terminal_quantity40
component_quantity21
component_relationshipMATCHED FOR RESULTANT RESISTANCE
mounting_configurationFOUR HOLES SPACED 0.750 IN. BY 6.250 IN. APART IN
NSN5330-00-491-1595
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B1443 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B1443?
B1443 is a B1443. It is classified as a MRO (MRO_GENERAL).
What is the NSN for B1443?
B1443 is cataloged in the U.S. Government catalog under NSN 5330-00-491-1595. 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.