PartsTable
Technical Data Sheet
Download PDF

438057 — CONNECTOR,MULTIPLE,FLUID PRESSUR

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

438057: CONNECTOR,MULTIPLE,FLUID PRESSUR.

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include thickness: 1.750 INCHES NOMINAL IN, thread_size: 0.750-16 SECOND CONNECTION, thread_class: 2B SECOND CONNECTION, overall_width: 2.300 INCHES NOMINAL IN, overall_length: 6.500 INCHES NOMINAL IN, connection_style: PLAIN SECOND CONNECTION. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-274-0803, 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
438057
NSN: 4730-01-274-0803
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 91417 — L3HARRIS TECHNOLOGIES, INC. (USA)
SPECIFICATIONS
thickness1.750 INCHES NOMINAL IN
thread_size0.750-16 SECOND CONNECTION
thread_class2B SECOND CONNECTION
overall_width2.300 INCHES NOMINAL IN
overall_length6.500 INCHES NOMINAL IN
connection_stylePLAIN SECOND CONNECTION
thread_directionRIGHT-HAND SECOND CONNECTION
thread_provisionTHREADED FIRST CONNECTION
fluid_connection_quantity2 FIRST CONNECTION
screw_thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SECOND CONNECTION
NSN4730-01-274-0803
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 438057 · 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
•
THREAD PROVISION: THREADED SECOND CONNECTION
•
CONNECTION STYLE: PLAIN SECOND CONNECTION
•
FLUID CONNECTION QUANTITY: 2 FIRST CONNECTION
TECHNICAL CHARACTERISTICS
THREAD PROVISIONTHREADED SECOND CONNECTION
THREAD PROVISIONTHREADED FIRST CONNECTION
CONNECTION STYLEPLAIN SECOND CONNECTION
CONNECTION STYLEPLAIN FIRST CONNECTION
FLUID CONNECTION QUANTITY2 FIRST CONNECTION
FLUID CONNECTION QUANTITY4 SECOND CONNECTION
OVERALL LENGTH6.500 INCHES NOMINAL IN
OVERALL WIDTH2.300 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SECOND CONNECTION
THREAD DIRECTIONRIGHT-HAND FIRST CONNECTION
OTHER ITEMS IN FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895 4730-00-000-4289 4730-00-000-4445 4730-00-000-8373 4730-00-000-8897 4730-00-001-0007 4730-00-001-0008
SUBSTITUTES & CROSS-REFERENCES 1
438057-001Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
Ready to buy 438057?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 438057?
438057 is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace 438057?
There is 1 known substitute for 438057: 438057-001. Substitute compatibility should be verified for your specific system.
What is the NSN for 438057?
438057 is cataloged in the U.S. Government catalog under NSN 4730-01-274-0803. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 438057