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5108921 — FLANGE,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

5108921: FLANGE,PIPE.

The FLANGE,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL, thickness: 1.000 INCHES NOMINAL IN, flange_width: 5.562 INCHES NOMINAL IN, style_designator: SQUARE, ONE BOLT HOLE CIRCLE, nominal_thread_size: 4.500 INCHES IN, bolt_circle_diameter: 4.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-020-5319, 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
5108921
NSN: 4730-00-020-5319
NIINs: 000205319, 008405246
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 72582 — ROLLS-ROYCE SOLUTIONS AMERICA INC (USA)
SPECIFICATIONS
materialSTEEL
thickness1.000 INCHES NOMINAL IN
flange_width5.562 INCHES NOMINAL IN
style_designatorSQUARE, ONE BOLT HOLE CIRCLE
bolt_hole_quantity4
nominal_thread_size4.500 INCHES IN
bolt_circle_diameter4.500 INCHES NOMINAL IN
flange_section_stylePLAIN FACE
reducer_flange_hole_typeCONCENTRIC
thread_quantity_per_inch8
face_seating_surface_conditionUNFINISHED
screw_thread_series_designatorNPT
NSN4730-00-020-5319
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5108921 · 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: UNFINISHED
•
FLANGE SECTION STYLE: PLAIN FACE
•
STYLE DESIGNATOR: SQUARE, ONE BOLT HOLE CIRCLE
•
NOMINAL THREAD SIZE: 4.500 INCHES IN
•
REDUCER FLANGE HOLE TYPE: CONCENTRIC
•
BOLT HOLE QUANTITY: 4
•
BOLT CIRCLE DIAMETER: 4.500 INCHES NOMINAL IN
•
SCREW THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
FACE SEATING SURFACE CONDITIONUNFINISHED
FLANGE SECTION STYLEPLAIN FACE
STYLE DESIGNATORSQUARE, ONE BOLT HOLE CIRCLE
NOMINAL THREAD SIZE4.500 INCHES IN
REDUCER FLANGE HOLE TYPECONCENTRIC
BOLT HOLE QUANTITY4
BOLT CIRCLE DIAMETER4.500 INCHES NOMINAL IN
SCREW THREAD SERIES DESIGNATORNPT
FLANGE WIDTH5.562 INCHES NOMINAL IN
THREAD QUANTITY PER INCH8
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 5108921?
5108921 is a FLANGE,PIPE.
What is the NSN for 5108921?
5108921 is cataloged in the U.S. Government catalog under NSN 4730-00-020-5319. This indicates validated use in U.S. government and defense supply chains.
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