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W1337 — REDUCER,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

W1337: REDUCER,TUBE.

The REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, scale_name: PRESSURE, scale_type: DIAL, reducer_type: CONCENTRIC, connection_type: UNTHREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (TUBE) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-808-7875, 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
W1337
NSN: 4730-00-808-7875
NIINs: 008087875, 015656352
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
scale_namePRESSURE
scale_typeDIAL
reducer_typeCONCENTRIC
connection_typeUNTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (TUBE) SECOND END
special_features10,000 PSI
nominal_overall_length2.156 INCHES IN
end_item_identificationNAVY,FINCANTIERI SPA
material_document_and_classificationWW-7-799,TYK OR L,CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyGAGE,PRESSURE,DIAL INDICATING
nominal_outside_diameter_tube_accommodated1.125 INCHES FIRST END IN
NSN4730-00-808-7875
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W1337 · 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: PLAIN (TUBE) SECOND END
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.045 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 2.156 INCHES IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: WW-7-799,TYK OR L,CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (TUBE) SECOND END
CONNECTION STYLESOCKET (TUBE) FIRST END
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.045 INCHES SECOND END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.050 INCHES FIRST END IN
NOMINAL OVERALL LENGTH2.156 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONWW-7-799,TYK OR L,CL 2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.125 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.875 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 4
MS35920-14Reference document
Same NSN cross-reference
Reference document — Secondary reference
PD15-410Reference document
Same NSN cross-reference
Reference document — Secondary reference
AA59444-14Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A-A-59444Reference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W1337?
W1337 is a REDUCER,TUBE.
What parts can replace W1337?
There are 4 known substitutes for W1337: MS35920-14, PD15-410, AA59444-14 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for W1337?
W1337 is cataloged in the U.S. Government catalog under NSN 4730-00-808-7875. This indicates validated use in U.S. government and defense supply chains.
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