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5L1883 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5L1883: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 0.250 INCHES NOMINAL IN, flange_length: 2.000 INCHES NOMINAL IN, style_designator: OVAL, ONE BOLT HOLE CIRCLE, bolt_hole_diameter: 0.406 INCHES NOMINAL IN, bolt_circle_diameter: 0.344 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-377-6781, 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
5L1883
NSN: 4730-01-377-6781
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL
thickness0.250 INCHES NOMINAL IN
flange_length2.000 INCHES NOMINAL IN
style_designatorOVAL, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.406 INCHES NOMINAL IN
bolt_hole_quantity2
bolt_circle_diameter0.344 INCHES NOMINAL IN
flange_section_stylePLAIN FACE
face_seating_surface_conditionMACHINED
NSN4730-01-377-6781
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5L1883 · 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
•
FACE SEATING SURFACE CONDITION: MACHINED
•
FLANGE SECTION STYLE: PLAIN FACE
•
STYLE DESIGNATOR: OVAL, ONE BOLT HOLE CIRCLE
•
BOLT HOLE DIAMETER: 0.406 INCHES NOMINAL IN
•
FLANGE LENGTH: 2.000 INCHES NOMINAL IN
•
BOLT HOLE QUANTITY: 2
•
BOLT CIRCLE DIAMETER: 0.344 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS
FACE SEATING SURFACE CONDITIONMACHINED
FLANGE SECTION STYLEPLAIN FACE
STYLE DESIGNATOROVAL, ONE BOLT HOLE CIRCLE
BOLT HOLE DIAMETER0.406 INCHES NOMINAL IN
FLANGE LENGTH2.000 INCHES NOMINAL IN
BOLT HOLE QUANTITY2
BOLT CIRCLE DIAMETER0.344 INCHES NOMINAL IN
MATERIALSTEEL
THICKNESS0.250 INCHES NOMINAL 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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5L1883?
5L1883 is a FLANGE,PIPE.
What is the NSN for 5L1883?
5L1883 is cataloged in the U.S. Government catalog under NSN 4730-01-377-6781. This indicates validated use in U.S. government and defense supply chains.
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