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Technical Data Sheet
PartsTable / COMPONENT / B14-300
B14-300 ✓ 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 DUMMY LOAD,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, end_item_identification: NSN 4820-01-290-1055 - VALVE REGULATING, material_document_and_classification: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL, maximum_working_pressure_rating_and_service_for_which_designed: 250.0 POUNDS PER SQUARE INCH (PSI) WATER LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-491-2628, 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
B14-300
NSN: 4730-01-491-2628
FSC: 4730
CAGE: 036N2 — SHIPYARD SUPPLY CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
end_item_identificationNSN 4820-01-290-1055 - VALVE REGULATING
material_document_and_classificationMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
maximum_working_pressure_rating_and_service_for_which_designed250.0 POUNDS PER SQUARE INCH (PSI) WATER LBS
NSN4730-01-491-2628
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B14-300 · 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
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED: 250.0 POUNDS PER SQUARE INCH (PSI) WATER LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-B-16541 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALCOPPER ALLOY OVERALL
MAXIMUM WORKING PRESSURE RATING AND SERVICE FOR WHICH DESIGNED250.0 POUNDS PER SQUARE INCH (PSI) WATER LBS
END ITEM IDENTIFICATIONNSN 4820-01-290-1055 - VALVE REGULATING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
19600Interchangeable
interchangeable cross-reference
interchangeable
123SEAV11697-1Interchangeable
interchangeable cross-reference
interchangeable
GR-3001-ZInterchangeable
interchangeable cross-reference
interchangeable
DA362APM202Interchangeable
interchangeable cross-reference
interchangeable
A19-600Interchangeable
interchangeable cross-reference
interchangeable
22187Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B14-300?
B14-300 is a DUMMY LOAD,ELECTRICAL.
What parts can replace B14-300?
There are 19 known substitutes for B14-300: 19600, 123SEAV11697-1, GR-3001-Z and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B14-300?
B14-300 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-491-2628. 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