PartsTable
Technical Data Sheet
W1011 ✓ 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 REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: SOCKET (TUBE) ALL ENDS, nominal_overall_length: 0.125 INCHES IN, specification/standard_data: 96906-MS35923 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-6136, 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
W1011
NSN: 4730-00-278-6136
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleSOCKET (TUBE) ALL ENDS
nominal_overall_length0.125 INCHES IN
specification/standard_data96906-MS35923 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
material_document_and_classificationASTM B88-66 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
nominal_outside_diameter_tube_accommodated0.250 INCHES SECOND END IN
tubing_wall_nominal_thickness_for_which_designed0.022 INCHES SECOND END IN
NSN4730-00-278-6136
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W1011 · 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
CONNECTION STYLE: SOCKET (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH: 0.125 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.375 INCHES FIRST END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.026 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B88-66 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL: COPPER ALLOY OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLESOCKET (TUBE) ALL ENDS
NOMINAL OVERALL LENGTH0.125 INCHES IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.375 INCHES FIRST END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.026 INCHES FIRST END IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B88-66 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES SECOND END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.022 INCHES SECOND END IN
MATERIALCOPPER ALLOY OVERALL
SPECIFICATION/STANDARD DATA96906-MS35923 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
401RInterchangeable
interchangeable cross-reference
interchangeable
MILP36637Interchangeable
interchangeable cross-reference
interchangeable
3001AInterchangeable
interchangeable cross-reference
interchangeable
NR15Interchangeable
interchangeable cross-reference
interchangeable
G379508SH2PC43Interchangeable
interchangeable cross-reference
interchangeable
MAFB2435APC24Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is W1011?
W1011 is a REDUCER,TUBE.
What parts can replace W1011?
There are 22 known substitutes for W1011: 401R, MILP36637, 3001A and 19 more. Substitute compatibility should be verified for your specific system.
Is W1011 still available?
W1011 is currently cancelled.
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