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L5303326-005 — UNION,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

L5303326-005: UNION,TUBE.

The UNION,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, flange_shape: HEXAGON WITH HOLES ALL ENDS, connection_type: FLANGE ALL ENDS, style_designator: FLANGED, nominal_thickness: 0.688 INCHES ALL ENDS IN, bolt_hole_quantity: 2 ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-296-4950, 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
L5303326-005
NSN: 4730-01-296-4950
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL OVERALL
flange_shapeHEXAGON WITH HOLES ALL ENDS
connection_typeFLANGE ALL ENDS
style_designatorFLANGED
nominal_thickness0.688 INCHES ALL ENDS IN
bolt_hole_quantity2 ALL ENDS
flange_face_designRAISED STRAIGHT ALL ENDS
fsc_application_dataB-1B AIRCRAFT
nominal_overall_length2.800 INCHES IN
bolt_hole_nominal_diameter0.047 INCHES ALL ENDS IN
NSN4730-01-296-4950
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: L5303326-005 · 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
•
FLANGE SHAPE: HEXAGON WITH HOLES ALL ENDS
•
FSC APPLICATION DATA: B-1B AIRCRAFT
•
FLANGE FACE DESIGN: RAISED STRAIGHT ALL ENDS
•
NOMINAL OVERALL LENGTH: 2.800 INCHES IN
•
CONNECTION TYPE: FLANGE ALL ENDS
•
STYLE DESIGNATOR: FLANGED
•
BOLT HOLE NOMINAL DIAMETER: 0.047 INCHES ALL ENDS IN
•
BOLT HOLE QUANTITY: 2 ALL ENDS
TECHNICAL CHARACTERISTICS
FLANGE SHAPEHEXAGON WITH HOLES ALL ENDS
FSC APPLICATION DATAB-1B AIRCRAFT
FLANGE FACE DESIGNRAISED STRAIGHT ALL ENDS
NOMINAL OVERALL LENGTH2.800 INCHES IN
CONNECTION TYPEFLANGE ALL ENDS
STYLE DESIGNATORFLANGED
BOLT HOLE NOMINAL DIAMETER0.047 INCHES ALL ENDS IN
BOLT HOLE QUANTITY2 ALL ENDS
MATERIALSTEEL OVERALL
NOMINAL THICKNESS0.688 INCHES ALL ENDS IN
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)Demilitarization required — critical (Q)
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FREQUENTLY ASKED QUESTIONS
What is L5303326-005?
L5303326-005 is a UNION,TUBE.
What is the NSN for L5303326-005?
L5303326-005 is cataloged in the U.S. Government catalog under NSN 4730-01-296-4950. 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.