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Technical Data Sheet
PartsTable / COMPONENT / 213748-2
213748-2 ✓ 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 ADAPTER,STRAIGHT,PIPE TO BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 377 OVERALL, leg_length: 0.891 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.250 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-256-4210, 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
213748-2
NSN: 4730-00-256-4210
FSC: 4730
CAGE: 80020 — NAVAL AIR WARFARE CENTER AIRCRAFT DIVISION JOINT BASE JBMDL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 377 OVERALL
leg_length0.891 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.250 INCHES ALL ENDS IN
thread_series_designatorANPT FIRST END
specification/standard_data88044-AN918 GOVERNMENT STANDARD AND 81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-256-4210
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 213748-2 · 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
•
THREAD SERIES DESIGNATOR: ANPT FIRST END
•
LEG LENGTH: 0.891 INCHES NOMINAL ALL ENDS IN
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: COPPER ALLOY 377 OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORANPT FIRST END
LEG LENGTH0.891 INCHES NOMINAL ALL ENDS IN
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
SURFACE TREATMENTCADMIUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALCOPPER ALLOY 377 OVERALL
SPECIFICATION/STANDARD DATA88044-AN918 GOVERNMENT STANDARD AND 81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
1838670Interchangeable
interchangeable cross-reference
interchangeable
2DY676Interchangeable
interchangeable cross-reference
interchangeable
89541Interchangeable
interchangeable cross-reference
interchangeable
AN918-2Interchangeable
Same NIIN cross-reference
interchangeable
AS4842Interchangeable
Same NIIN cross-reference
interchangeable
MIL-F-5509Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 213748-2?
213748-2 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace 213748-2?
There are 6 known substitutes for 213748-2: 1838670, 2DY676, 89541 and 3 more. Substitute compatibility should be verified for your specific system.
Is 213748-2 still available?
213748-2 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