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161K0227-5 — NUT,UNION

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

161K0227-5: NUT,UNION.

The NUT,UNION is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, nut_style: HEXAGON, nut_height: 1.063 INCHES NOMINAL IN, thread_class: 3B, thread_series: UN, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-517-6071, 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
161K0227-5
NSN: 4730-01-517-6071
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 5RQL2 — DRS ENVIRONMENTAL SYSTEMS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 304 OVERALL
nut_styleHEXAGON
nut_height1.063 INCHES NOMINAL IN
thread_class3B
thread_seriesUN
thread_directionRIGHT-HAND
width_across_flats2.250 INCHES NOMINAL IN
nominal_thread_size2.000 INCHES IN
shoulder_seat_diameter2.000 INCHES NOMINAL IN
end_item_identificationREVERSE OSMOSIS DISTILL UNIT 3000 GPD MDL
thread_quantity_per_inch12
NSN4730-01-517-6071
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 161K0227-5 · 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
•
WIDTH ACROSS FLATS: 2.250 INCHES NOMINAL IN
•
THREAD SERIES: UN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
NUT HEIGHT: 1.063 INCHES NOMINAL IN
•
NUT STYLE: HEXAGON
•
THREAD CLASS: 3B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS2.250 INCHES NOMINAL IN
THREAD SERIESUN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE2.000 INCHES IN
NUT HEIGHT1.063 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD CLASS3B
END ITEM IDENTIFICATIONREVERSE OSMOSIS DISTILL UNIT 3000 GPD MDL
THREAD QUANTITY PER INCH12
MATERIALSTEEL COMP 304 OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
161K0227 PN Q500N-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
161K0227Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
161K0000 ITEM 104Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 161K0227-5?
161K0227-5 is a NUT,UNION.
What parts can replace 161K0227-5?
There are 3 known substitutes for 161K0227-5: 161K0227 PN Q500N-4, 161K0227, 161K0000 ITEM 104. Substitute compatibility should be verified for your specific system.
What is the NSN for 161K0227-5?
161K0227-5 is cataloged in the U.S. Government catalog under NSN 4730-01-517-6071. This indicates validated use in U.S. government and defense supply chains.
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