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Technical Data Sheet
PartsTable / COMPONENT / 856B1
856B1 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include body_width: 0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, body_height: 0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN, body_length: 0.785 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND POSITIVE OUTPUTS, output_logic_form: COMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC, inclosure_material: CERAMIC. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-736-8415, 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
856B1
NSN: 4730-00-736-8415
FSC: 4730
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
body_width0.220 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
body_height0.140 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
body_length0.785 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED AND BURN IN AND MONOLITHIC AND POSITIVE OUTPUTS
output_logic_formCOMPLEMENTARY-METAL OXIDE-SEMICONDUCTOR LOGIC
inclosure_materialCERAMIC
storage_temp_range-65.0 TO 150.0 CELSIUS DEGC
operating_temp_range-55.0 TO 125.0 CELSIUS DEGC
input_circuit_patternDUAL 4 INPUT
inclosure_configurationDUAL-IN-LINE
terminal_surface_treatmentSOLDER
terminal_type_and_quantity14 PRINTED CIRCUIT
NSN4730-00-736-8415
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 856B1 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
821150Interchangeable
interchangeable cross-reference
interchangeable
5214672Interchangeable
interchangeable cross-reference
interchangeable
5A7253Interchangeable
interchangeable cross-reference
interchangeable
M38510-05203BCBInterchangeable
interchangeable cross-reference
interchangeable
JM38510/05203BCXInterchangeable
interchangeable cross-reference
interchangeable
CM4002AEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 856B1?
856B1 is a MICROCIRCUIT,DIGITAL.
What parts can replace 856B1?
There are 8 known substitutes for 856B1: 821150, 5214672, 5A7253 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 856B1?
856B1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-736-8415. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026