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PWA55889-8 — CAP,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

PWA55889-8: CAP,TUBE.

The CAP,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, seat_angle: 37.0 DEGREES, thread_class: 2B INTERNAL, connection_style: FLARE, special_features: ALTERED FROM MS51532B12;U/O F100/200 ACFT ENG, style_designator: CAP, TUBE, FLARED. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-234-9069, 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
PWA55889-8
NSN: 4730-01-234-9069
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES
thread_class2B INTERNAL
connection_styleFLARE
special_featuresALTERED FROM MS51532B12;U/O F100/200 ACFT ENG
style_designatorCAP, TUBE, FLARED
thread_directionRIGHT-HAND INTERNAL
surface_treatmentCADMIUM OVERALL
nominal_thread_size1.0625 INCHES INTERNAL IN
thread_quantity_per_inch12 INTERNAL
thread_series_designatorUN INTERNAL
tube_outside_diameter_for_which_designed0.750 INCHES NOMINAL IN
NSN4730-01-234-9069
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: PWA55889-8 · 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: FLARE
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CAP, TUBE, FLARED
•
THREAD DIRECTION: RIGHT-HAND INTERNAL
•
NOMINAL THREAD SIZE: 1.0625 INCHES INTERNAL IN
•
SEAT ANGLE: 37.0 DEGREES
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEFLARE
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.750 INCHES NOMINAL IN
STYLE DESIGNATORCAP, TUBE, FLARED
THREAD DIRECTIONRIGHT-HAND INTERNAL
NOMINAL THREAD SIZE1.0625 INCHES INTERNAL IN
SEAT ANGLE37.0 DEGREES
SPECIAL FEATURESALTERED FROM MS51532B12;U/O F100/200 ACFT ENG
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2B INTERNAL
THREAD QUANTITY PER INCH12 INTERNAL
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
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 PWA55889-8?
PWA55889-8 is a CAP,TUBE.
What is the NSN for PWA55889-8?
PWA55889-8 is cataloged in the U.S. Government catalog under NSN 4730-01-234-9069. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.