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Technical Data Sheet
PartsTable / COMPONENT / 4568K131
4568K131 ✓ 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 SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include end_item_identification: B-2 BOMBER, part_name_assigned_by_controlling_agency: NIPPLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-222-1837, 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
4568K131
NSN: 4730-00-222-1837
FSC: 4730
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
end_item_identificationB-2 BOMBER
part_name_assigned_by_controlling_agencyNIPPLE
NSN4730-00-222-1837
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4568K131 · 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
•
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
•
NOMINAL OVERALL LENGTH: 0.875 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
•
NOMINAL THREAD SIZE: 0.540 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
NOMINAL OVERALL LENGTH0.875 INCHES IN
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
NOMINAL THREAD SIZE0.540 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
11096Interchangeable
interchangeable cross-reference
interchangeable
53-022-094-0500Interchangeable
interchangeable cross-reference
interchangeable
1N5141AInterchangeable
interchangeable cross-reference
interchangeable
RELEASE5259AInterchangeable
interchangeable cross-reference
interchangeable
9S4035LInterchangeable
interchangeable cross-reference
interchangeable
112BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4568K131?
4568K131 is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 4568K131?
There are 23 known substitutes for 4568K131: 11096, 53-022-094-0500, 1N5141A and 20 more. Substitute compatibility should be verified for your specific system.
Is 4568K131 still available?
4568K131 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026