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590079 — SWITCH,PRESSURE

✓ Government record, cited
Buffalo · HOSE FITTING
PRODUCT OVERVIEW

590079: SWITCH,PRESSURE.

The SWITCH,PRESSURE is a Buffalo industrial component. Key specifications include material: STEEL OVERALL, leg_length: 1.240 INCHES MINIMUM AND 1.270 INCHES MAXIMUM FIRST END IN, seat_angle: 37.0 DEGREES FIRST END, thread_class: 3A FIRST END A, connection_style: FLARED (TUBE) FIRST END, nominal_thread_size: 1.062 INCHES FIRST END IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-021-5239, 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
590079
NSN: 4730-00-021-5239
NIINs: 000215239, 000505262
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
leg_length1.240 INCHES MINIMUM AND 1.270 INCHES MAXIMUM FIRST END IN
seat_angle37.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_styleFLARED (TUBE) FIRST END
nominal_thread_size1.062 INCHES FIRST END IN
thread_quantity_per_inch12 FIRST END
thread_series_designatorUN FIRST END
material_document_and_classificationAMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-021-5239
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 590079 · Buffalo ⚠ 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: FLARED (TUBE) FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
LEG LENGTH: 1.240 INCHES MINIMUM AND 1.270 INCHES MAXIMUM FIRST END IN
•
NOMINAL THREAD SIZE: 1.062 INCHES FIRST END IN
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
THREAD CLASS: 3A FIRST END A
•
THREAD QUANTITY PER INCH: 12 FIRST END
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARED (TUBE) FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5646 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
LEG LENGTH1.240 INCHES MINIMUM AND 1.270 INCHES MAXIMUM FIRST END IN
NOMINAL THREAD SIZE1.062 INCHES FIRST END IN
SEAT ANGLE37.0 DEGREES FIRST END
THREAD CLASS3A FIRST END A
THREAD QUANTITY PER INCH12 FIRST END
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUN FIRST END
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 590079?
590079 is a SWITCH,PRESSURE manufactured by Buffalo.
What is the NSN for 590079?
590079 is cataloged in the U.S. Government catalog under NSN 4730-00-021-5239. This indicates validated use in U.S. government and defense supply chains.
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