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Fitting Perm NPSM Swivel

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Description & Features

The Fitting Perm NPSM Swivel is expertly crafted by Danfoss (IGS) ensuring it meets the highest standards of quality and durability.

Designed for general purpose low and medium pressure hydraulics it is ideal for use in applications exposed to shock hazards when paired with hoses such as H277 or H435.

Constructed from carbon steel this fitting boasts a female 1 FPT end size and a line/hose/tube end type featuring a hex size of 1.38 inches and a width of 1.94 inches. The innovative design improves performance and maximizes uptime.

Engineered to enhance the longevity of hose assemblies the fitting includes Dura-Kote plating that provides superior corrosion resistance. Certified to meet SAE J1176 standards it ensures reliability in demanding environments.

Supplier Part Number: 16Z-066

ECCN: EAR99

Specifications

Brand
Weatherhead® by Danfoss
Compatible Hose ID
1 in
Compatible Tube OD
1 in
Connection Size 1
1 in
Connection Size 2
1 in
Connection Type
FNPT, Hose
Connection Type 1
Hose
Connection Type 2
Female NPT
Construction Style
Crimp
Cut-Off Factor
1.18 in
Dimension Standards
SAE J1176
Dimensions
3.11 in L
End Gender 1
Female
End Size 1
1 in
Finish
Dura-Kote™
Fitting Type
Hose Fitting
For Use With
H180, H145R, H190H, H280, H881, H290H, H245L, H190, H400, H290, H421, H039, H039H, EC115, EC215, EC118 and WH004 Series Hoses
Hex Size
1-3/8 x 1-1/2 in
Hose Dash Size
16
Inside Diameter
0.81 in
Material
Steel
Material Construction
Carbon Steel
Series
1Z Series
Thread Sealant
Without Thread Sealant
Thread Size
1-11-1/2
Tube Outside Diameter 1
1 in

Product Questions & Answers (3)

Question by: Duane D on Apr 12, 2025, 7:32 AM
Got a setup running H277 hose and wondering if this swivel fitting'll hold up where we got some shock load going through the line. That a good match or should I be looking at something else?
Answer by: Customer Support on Apr 14, 2025, 6:33 AM
Running H277 with this fitting is exactly what it's built for. The application spec calls out H277 and H435 as the right hose pairings when shock hazards are present, so you're already lined up correctly. The carbon steel construction and Dura-Kote plating help it hold up in rougher conditions, and the swivel design takes some of the stress off the hose assembly during movement or pressure spikes.
Question by: Randy L on Jan 19, 2026, 3:37 PM
What kind of pressures can this handle, generally speaking?
Answer by: Customer Support on Jan 21, 2026, 6:41 AM
This fitting is best for general purpose hydraulic systems operating at low to medium pressures.
Question by: Dale T on Oct 26, 2025, 6:20 PM
got a hose setup that takes a -16, is this fitting the right dash size for that?
Answer by: Customer Support on Oct 28, 2025, 2:12 PM
It’s a -16 hose dash size fitting with a female 1 inch FPT end, so it matches assemblies that call for a -16 and a 1 inch FPT connection on that end.

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