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Technical Data Sheet
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W-1138 — ADAPTER,STRAIGHT,PIPE TO TUBE

✓ Government record, cited
Mattel · HOSE FITTING
PRODUCT OVERVIEW

W-1138: ADAPTER,STRAIGHT,PIPE TO TUBE.

It's the best moment in any Disney Princess movie - the moment where an "ordinary" girl becomes the princess we all knew she'd become! Belle changes from her regular dress into a gorgeous gown perfect to wear on a date with her prince! - 1st costume inspired by her pre-princess look in the movie - 2nd costume is a beautiful ball gown fit for a princess!

- Get all the 2-in-1 Ballgown Surprise dolls for even more magical changes - Includes one doll with changing outfit and crown - People’s Play Awards Nominee. This part is cataloged in the U.S. Government catalog under NSN 4730-00-722-3572, indicating validated use in U.S.

government and defense logistics supply chains.

WHERE IT FITS
W-1138
NSN: 4730-00-722-3572
NIINs: 007223572, 012889331, 014268623
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
width4.000 INCHES NOMINAL IN
materialCOPPER ALLOY OVERALL
thickness0.005 INCHES NOMINAL IN
hole_diameter0.140 INCHES NOMINAL IN
connection_typeUNTHREADED INTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
overall_diameter0.250 INCHES NOMINAL IN
special_featuresMATERIAL: BRASS OVERALL
nominal_thread_size0.750 INCHES SECOND END IN
nominal_overall_length1.281 INCHES IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
NSN4730-00-722-3572
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W-1138 · Mattel ⚠ 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 PIPE SIZE ACCOMMODATED: 0.750 INCHES SECOND END IN
•
CONNECTION STYLE: SOCKET (TUBE) FIRST END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.045 INCHES FIRST END IN
•
NOMINAL OVERALL LENGTH: 1.281 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES SECOND END IN
CONNECTION STYLESOCKET (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.045 INCHES FIRST END IN
NOMINAL OVERALL LENGTH1.281 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
NOMINAL THREAD SIZE0.750 INCHES SECOND END IN
MATERIALCOPPER ALLOY OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
B1622Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W-1138?
W-1138 is a ADAPTER,STRAIGHT,PIPE TO TUBE manufactured by Mattel.
What parts can replace W-1138?
There is 1 known substitute for W-1138: B1622. Substitute compatibility should be verified for your specific system.
What is the NSN for W-1138?
W-1138 is cataloged in the U.S. Government catalog under NSN 4730-00-722-3572. This indicates validated use in U.S. government and defense supply chains.
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