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Technical Data Sheet
PartsTable / COMPONENT / 9-2838-1-4D
9-2838-1-4D ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include material: ALUMINUM ALLOY 2014, thickness: 0.750 INCHES NOMINAL IN, thread_size: 1/2 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN, thread_class: 3A LOCATION NOT OTHERWISE SPECIFIED A, overall_width: 0.813 INCHES NOMINAL IN, overall_length: 1.531 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9758, 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
9-2838-1-4D
NSN: 4730-00-277-9758
FSC: 4730
CAGE: 92003 — PARKER HANNIFIN CORPORATION DIV AEROSPACE GROUP HEADQUARTERS (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014
thickness0.750 INCHES NOMINAL IN
thread_size1/2 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN
thread_class3A LOCATION NOT OTHERWISE SPECIFIED A
overall_width0.813 INCHES NOMINAL IN
overall_length1.531 INCHES NOMINAL IN
furnished_itemsSEAT LOCATION NOT OTHERWISE SPECIFIED
connection_styleFLARED LOCATION NOT OTHERWISE SPECIFIED
style_designator1 FLUID CONNECTION
thread_directionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
thread_provisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
seat_angle_in_deg37.0 LOCATION NOT OTHERWISE SPECIFIED
NSN4730-00-277-9758
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9-2838-1-4D · 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
•
BOLT HOLE FLUID PASSAGE: PROVIDED
•
SEAT ANGLE IN DEG: 37.0 LOCATION NOT OTHERWISE SPECIFIED
•
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED: 5/16 IN. OD TUBE IN
•
SCREW THREAD SERIES DESIGNATOR: UNF LOCATION NOT OTHERWISE SPECIFIED
•
CONNECTION STYLE: FLARED LOCATION NOT OTHERWISE SPECIFIED
•
THREAD SIZE: 1/2 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN
•
BOLT HOLE FLATS SERRATIONS: PROVIDED
•
THREAD PROVISION: THREADED LOCATION NOT OTHERWISE SPECIFIED
TECHNICAL CHARACTERISTICS (FLIS)
BOLT HOLE FLUID PASSAGEPROVIDED
SEAT ANGLE IN DEG37.0 LOCATION NOT OTHERWISE SPECIFIED
FLUID CONVEYANCE TYPE AND SIZE FOR WHICH DESIGNED5/16 IN. OD TUBE IN
SCREW THREAD SERIES DESIGNATORUNF LOCATION NOT OTHERWISE SPECIFIED
CONNECTION STYLEFLARED LOCATION NOT OTHERWISE SPECIFIED
THREAD SIZE1/2 IN.-20 LOCATION NOT OTHERWISE SPECIFIED IN
BOLT HOLE FLATS SERRATIONSPROVIDED
THREAD PROVISIONTHREADED LOCATION NOT OTHERWISE SPECIFIED
OVERALL WIDTH0.813 INCHES NOMINAL IN
FLUID CONNECTION QUANTITY1 LOCATION NOT OTHERWISE SPECIFIED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
AN776-4JInterchangeable
interchangeable cross-reference
interchangeable
AS5162J04Interchangeable
interchangeable cross-reference
interchangeable
AS4875/1Interchangeable
interchangeable cross-reference
interchangeable
AN776-4Interchangeable
interchangeable cross-reference
interchangeable
AS5162Interchangeable
interchangeable cross-reference
interchangeable
6026-91016RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9-2838-1-4D?
9-2838-1-4D is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace 9-2838-1-4D?
There are 17 known substitutes for 9-2838-1-4D: AN776-4J, AS5162J04, AS4875/1 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9-2838-1-4D?
9-2838-1-4D is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-9758. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026