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475599 — EXTINGUISHER,FIRE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

475599: EXTINGUISHER,FIRE.

The EXTINGUISHER,FIRE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND, nominal_thread_size: 2.125 INCHES IN, thread_quantity_per_inch: 12. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-075-2772, 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
475599
NSN: 4730-00-075-2772
NIINs: 000752772, 016201248
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 6X436 — K & K GRINDING & MACHINE CO. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
nominal_thread_size2.125 INCHES IN
thread_quantity_per_inch12
NSN4730-00-075-2772
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 475599 · 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
•
THREAD SERIES: UN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.125 INCHES IN
•
THREAD CLASS: 3B
•
THREAD QUANTITY PER INCH: 12
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.125 INCHES IN
THREAD CLASS3B
THREAD QUANTITY PER INCH12
MATERIALSTEEL CORROSION RESISTING OVERALL
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 475599?
475599 is a EXTINGUISHER,FIRE.
What is the NSN for 475599?
475599 is cataloged in the U.S. Government catalog under NSN 4730-00-075-2772. 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.