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W4091 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

W4091: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 2.325 INCHES NOMINAL SECOND END IN, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: CRIMPED (TUBE) ALL ENDS, end_item_identification: MULTIPLE APPLICATION, media_for_which_designed: HYDRAULIC FLUID SINGLE RESPONSE. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-263-6520, 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
W4091
NSN: 4730-00-263-6520
NIINs: 002636520, 007666561
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length2.325 INCHES NOMINAL SECOND END IN
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_styleCRIMPED (TUBE) ALL ENDS
end_item_identificationMULTIPLE APPLICATION
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
nominal_outside_diameter_tube_accommodated1.625 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.060 INCHES FIRST END IN
NSN4730-00-263-6520
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: W4091 · 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: CRIMPED (TUBE) ALL ENDS
•
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.060 INCHES FIRST END IN
•
CONNECTION TYPE: UNTHREADED INTERNAL TUBE ALL ENDS
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 1.375 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS
CONNECTION STYLECRIMPED (TUBE) ALL ENDS
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.060 INCHES FIRST END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.055 INCHES SECOND END IN
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED0.055 INCHES THIRD END IN
CONNECTION TYPEUNTHREADED INTERNAL TUBE ALL ENDS
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.375 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.625 INCHES FIRST END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED1.375 INCHES THIRD END IN
LEG LENGTH1.797 INCHES NOMINAL FIRST END IN
LEG LENGTH1.797 INCHES NOMINAL THIRD END IN
SUBSTITUTES & CROSS-REFERENCES 1
B16-22-1951Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is W4091?
W4091 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace W4091?
There is 1 known substitute for W4091: B16-22-1951. Substitute compatibility should be verified for your specific system.
What is the NSN for W4091?
W4091 is cataloged in the U.S. Government catalog under NSN 4730-00-263-6520. This indicates validated use in U.S. government and defense supply chains.
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