PartsTable
Technical Data Sheet
2403-18-08 ✓ 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 PLUG,PIPE is a the manufacturer industrial component. Key specifications include material: IRON OVERALL, body_type: SOLID, head_type: SOLID, drive_end_style: RECESSED HEXAGON, connection_style: PLAIN, thread_direction: RIGHT-HAND EXTERNAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-555-8292, 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
2403-18-08
NSN: 4730-00-555-8292
FSC: 4730
CAGE: 99166 — SUNDSTRAND CORP SUNDSTRAND HYDRAULICS DIV (USA)
SPECIFICATIONS
materialIRON OVERALL
body_typeSOLID
head_typeSOLID
drive_end_styleRECESSED HEXAGON
connection_stylePLAIN
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentZINC OVERALL
nominal_thread_size0.500 INCHES EXTERNAL IN
thread_series_designatorNPTF EXTERNAL
nondefinitive_spec/std_data2 TYPE AND C STYLE
material_document_and_classificationQQ-I-666,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_pipe_size_for_which_designed0.500 INCHES IN
NSN4730-00-555-8292
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2403-18-08 · 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
HEAD TYPE: SOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 0.500 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-I-666,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: ZINC OVERALL
THREAD SERIES DESIGNATOR: NPTF EXTERNAL
THREAD DIRECTION: RIGHT-HAND EXTERNAL
DRIVE END STYLE: RECESSED HEXAGON
TECHNICAL CHARACTERISTICS (FLIS)
HEAD TYPESOLID
NOMINAL PIPE SIZE FOR WHICH DESIGNED0.500 INCHES IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-Z-17871 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-I-666,GR 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
THREAD SERIES DESIGNATORNPTF EXTERNAL
THREAD DIRECTIONRIGHT-HAND EXTERNAL
DRIVE END STYLERECESSED HEXAGON
MATERIALIRON OVERALL
BODY TYPESOLID
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
444873Interchangeable
interchangeable cross-reference
interchangeable
0206514-00Interchangeable
interchangeable cross-reference
interchangeable
5182581Interchangeable
interchangeable cross-reference
interchangeable
196826PC10Interchangeable
interchangeable cross-reference
interchangeable
12Z6000-9Interchangeable
interchangeable cross-reference
interchangeable
15962Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2403-18-08?
2403-18-08 is a PLUG,PIPE.
What parts can replace 2403-18-08?
There are 14 known substitutes for 2403-18-08: 444873, 0206514-00, 5182581 and 11 more. Substitute compatibility should be verified for your specific system.
Is 2403-18-08 still available?
2403-18-08 is currently cancelled.
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