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04FP-06MJ BULKHEAD STRAIGHT W LOCKNUT

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Description & Features

Designed for bulkhead installations requiring a secure through-panel connection, the 04FP-06MJ Bulkhead Straight With Locknut joins a 1/4-18 Female Nptf port to a 9/16-18 Male JIC 37-degree flare fitting in a straight-through configuration. The included locknut (0306-06) anchors the fitting through a panel or bulkhead wall, holding it firmly in position under vibration or pressure cycling.

Manufactured from straight steel, this Brennan Series 2705-Ln fitting conforms to SAE J476 on the Female Nptf end and SAE J514 on the Male JIC end, making it compatible with standard hydraulic line assemblies that transition between Nptf and JIC connections at a panel interface. Overall length is 2.170 inches, with a hex dimension of 0.812 inches for wrenching.

SKU: 2705-LN-04-06

Supplier Part Number (MPN): 2705-LN-04-06

Alternate Part Numbers: A2239-4-6S

Specifications

Connection Size 1
3/8 in
Connection Size 2
1/4 in
Connection Type
FNPT, Male JIC
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Female SAE NPTF
Dimension Standards
SAE J476, SAE J514
Dimensions
2.17 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
0.81 in
Material
Steel
Material Construction
AISI 12L14/1045 Steel
Maximum Operating Pressure
6000 psi
Series
2705-LN Series
Thread 2 Drill Dimensions
0.297 in
Thread B1 Drill Dimensions
0.281 in
Thread B2 Drill Dimensions
0.297 in
Thread Size
1/4-18 x 9/16-18

Product Questions & Answers (1)

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Question by: Lyle M on Apr 23, 2025, 6:26 PM
Hey, will this fitting hold steady if it's bolted through a panel that vibrates a lot? I'm using it on some heavy equipment.
Answer by: Customer Support on Apr 25, 2025, 3:48 PM
Designed for bulkhead installations, this straight fitting includes a locknut (0306-06) to secure it tightly against a panel, which helps prevent loosening from vibration or pressure changes.

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