Hofmann Fluid Power Inc.

Serving the Fluid Power Industry Since 1950

ARO Series 210-310

1/4″ Body Size • 3/8″ Body Size

ARO Series couplers are available in 1/4″ and 3/8″ body; some with automatic one hand connect, and interchange fully with all ARO interchange couplers. The body is either plated steel, brass or select stainless steel plugs. Couplers come with all stainless components.



210 Sockets (Valved)

FNPT 210 Sockets (Valved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series210-fnpt210-FA11/4"1/8"3/4"1.981.020.25
210-FA21/4"1/4"3/4"1.981.020.25
210-FA31/4"3/8"3/4"1.981.020.25

MNPT 210 Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series210-mnpt210-MA11/4"1/8"3/4"2.391.020.20
210-MA21/4"1/4"3/4"2.101.020.20
210-MA31/4"3/8"3/4"2.141.020.23

Hose Barb 210 Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series210-hb210-SA21/4"1/4"3/4"2.521.020.20
210-SA251/4"5/16"3/4"2.521.020.20
210-SA31/4"3/8"3/4"2.521.020.21

PL Hose Barb 210 Sockets (Valved)
 Part #Body SizeThread Size [A] Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series210-plhb210-SA2-PL1/4"1/4"3/4"2.751.020.20
210-SA3-PL1/4"3/8"3/4"2.751.020.20

210 Plugs (Unvalved)

FNPT 210 Plugs (Unvalved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D] Max OD [E]Weight Lbs.
series210-fnpt-plug210-FPA21/4"1/4"5/8"1.50".58 .05
210-FPA31/4"3/8"7/8"1.57"1.01".10

MNPT 210 Plugs (Unvalved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series210-mnpt-plug210-MPA11/4"1/8"1/2" 1.48".58.04
210-MPA21/4"1/4"9/16"1.60".65.05
210-MPA31/4"3/8"11/16"1.80".79.06

Hose Barb 210 Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
series210-hb-plug210-SPA21/4"1/4"2.00".56.03
210-SPA251/4"5/16"2.00".56.05
210-SPA31/4"3/8"2.25".88.09

PL Hose Barb 210 Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
series210-plhb-plug210-SPA2-PL1/4"1/4"2.09".69.03

210 Sleeve Fittings

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-FA1-SS1/8"3/4"13/16"1.98"1.02".25
210-FA2-SS1/4"3/4"13/16"1.98"1.02".25
210-FA3-SS3/8"3/4"13/16"2.06"1.02".25
210-FA4-SS1/2"15/16"13/16"2.18"1.10".30

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-MA1-SS1/8"11/16"13/16"2.39"1.02".23
210-MA2-SS1/4"3/4"13/16"2.10"1.02".24
210-MA3-SS3/8"11/16"13/16"2.14"1.02".25
210-MA4-SS1/2"7/8"13/16"2.39"1.00".30

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-SA2-SS1/4"11/16"13/16"2.52"1.02".20
210-SA25-SS5/16"11/16"13/16"2.52"1.02".20
210-SA3-SS3/8"11/16"13/16"2.52"1.02".20

 Part #Thread [A]Hex Size 1 [B]Hex Size 2 [C]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-SA2-PL-SS1/4"11/16"13/16"3.10"1.02".22
210-SA3-PL-SS3/8"11/16"13/16"3.10"1.02".23

 Part #Thread [A]Hex Size 1 [B]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-FPA2-SS1/4"5/8"1.51".710".05

 Part #Thread [A]Hex Size 1 [B]O.A.L. [D]Max O.D. [E]Weight Lbs.
210-MPA2-SS1/4"9/16"1.63".650".05

310 Sockets (Valved)

FNPT 310 Sockets (Valved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-fnpt310-FB23/8"1/4"15/16"2.28"1.19"0.40
310-FB33/8"3/8"15/16"2.38"1.19"0.40
310-FB43/8"1/2"15/16"2.50"1.19"0.41

MNPT 310 Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-mnpt310-MB23/8"1/4"15/16"2.42"1.19"0.37
310-MB33/8"3/8"15/16"2.48"1.19"0.38
310-MB43/8"1/2"15/16"2.52"1.19"0.39

Hose Barb 310 Sockets (Valved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-hb310-SB23/8"1/4"15/16"2.76"1.19"0.35
310-SB253/8"5/16"15/16"2.80"1.19"0.35
310-SB33/8"3/8"15/16"2.89"1.19"0.36
310-SB43/8"1/2"15/16"3.07"1.19"0.38

PL Hose Barb 310 Sockets (Valved)
 Part #Body SizeHose I.D. [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-plhb310-SB3-PL3/8"3/8"15/16"2.77"1.19"0.35
310-SB4-PL3/8"1/2"15/16"2.87"1.19"0.37

310 Plugs (Unvalved)

FNPT 310 Plugs (Unvalved)

 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-fnpt-plug310-FPB33/8"3/8"7/8"1.78"1.01"0.12

MNPT 310 Plugs (Unvalved)
 Part #Body SizeThread Size [A]Hex Size [B]O.A.L. [D]Max OD [E]Weight Lbs.
series310-mnpt-plug310-MPB33/8"3/8"11/16"1.97".80"0.10

Hose Barb 310 Plugs (Unvalved)
 Part #Body SizeHose I.D. [A]O.A.L. [D]Max OD [E]Weight Lbs.
series310-hb-plug310-SPB33/8"3/8"2.33".62"0.08
310-SPB43/8"1/2"2.51".69"0.09


Socket:
Automatic
One Hand Connect
Seal Material:
Steel: Buna
Stainless: Buna
Valve Material:
Standard: Plated Steel
Stainless: 303SS
Socket Material:
Brass & Plated Steel
303SS On Stainless Version
Plug Material:
Standard: Plated Steel
Stainless: 303SS