PartsTable
Technical Data Sheet
ASTM A733S-81CFB ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: LONG, surface_treatment: OXIDE OVERALL, nominal_thread_size: 0.500 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-4161, 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
ASTM A733S-81CFB
NSN: 4730-00-278-4161
FSC: 4730
CAGE: 81346 — AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL (USA)
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorLONG
surface_treatmentOXIDE OVERALL
nominal_thread_size0.500 INCHES ALL ENDS IN
nominal_overall_length3.500 INCHES IN
thread_series_designatorNPT ALL ENDS
specification/standard_data81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
material_document_and_classificationASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-278-4161
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASTM A733S-81CFB · 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
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
THREAD SERIES DESIGNATOR: NPT ALL ENDS
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
SPECIFICATION/STANDARD DATA: 81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
SURFACE TREATMENT: OXIDE OVERALL
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
MATERIAL: STEEL OVERALL
STYLE DESIGNATOR: LONG
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
SPECIFICATION/STANDARD DATA81346-ASTM A733 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51953 GOVERNMENT STANDARD
SURFACE TREATMENTOXIDE OVERALL
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALSTEEL OVERALL
STYLE DESIGNATORLONG
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH3.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
934012Interchangeable
interchangeable cross-reference
interchangeable
804777-00Interchangeable
interchangeable cross-reference
interchangeable
902-12-711-70Interchangeable
interchangeable cross-reference
interchangeable
SALP-T06-12Interchangeable
interchangeable cross-reference
interchangeable
NAS1446-12Interchangeable
interchangeable cross-reference
interchangeable
4730002784161Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASTM A733S-81CFB?
ASTM A733S-81CFB is a NIPPLE,PIPE.
What parts can replace ASTM A733S-81CFB?
There are 11 known substitutes for ASTM A733S-81CFB: 934012, 804777-00, 902-12-711-70 and 8 more. Substitute compatibility should be verified for your specific system.
Is ASTM A733S-81CFB still available?
ASTM A733S-81CFB is currently cancelled.
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