The High Pressure Nitrogen Backpack Kit
The Nitrogen Backpack Kit (NBK-4) is a lightweight, high pressure nitrogen backpack service kit that provides a more efficient method of servicing rotary or fixed wing aircraft and other equipment requiring nitrogen gas servicing. The nitrogen cylinders are the quick disconnect version of same high pressure cylinders used with the CvI Nitrogen Backpack Service System (NBSS) and Nitrogen Deployment Sustainment Kit (NDSK).
The backpack is ideal for delivering a gas cylinder for high pressure nitrogen service. The cylinders are easily filled using the Containment Fill Kit (CFK-1) with a supplied source of high pressure nitrogen gas from a Mobile Nitrogen Generator (MNG), Stationary Nitrogen Generator (SNG), Generic Aircraft Nitrogen Generator (GANG), or directly in the CvI nitrogen generating Mobile Air/Nitrogen Charging System (MANCS).
Part number: 40610
High Pressure Service Kit (HPSK-1A)
Part number: 410727 (NSN 3655-01-572-6314)
Supply Pressure gauge: 0-5000 psig.
Fill Pressure gauge: 0-5000 psig.
Pressure Regulator: 0-5000 psig.
High pressure hose: Length, 28 in.
High pressure service hose: Length, 48 in.
Cylinder Assembly (CYL-74)
Part number: 410780 (NSN 8120-01-572-6397)
Length: 25.5 in.
Diameter: 6.9 in.
Weight (empty): 13 lbs.
Weight (filled): 20 lbs.
Cylinder Pressure: 4500 psig.
Cylinder Capacity: 88 scf.
Backpack Harness Assembly (HRN-3A)
Part number: 410735-1 (NSN 3655-01-572-6308)
Length: 18 in.
Width: 12 in.
Weight: 6 lbs.
CGA-680 to QD Adapter (CGA-QD)
Part number: 410810 (NSN 8140-01-572-6392)
QD to CGA-680 Adapter (QD-CGA)
Part number: 410787 (NSN 8120-01-572-6405)
Cylinder Sleeve (SLV-1)
Part number: 410789-1
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