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8455374 — ADAPTER,STRAIGHT,TUBE TO BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

8455374: ADAPTER,STRAIGHT,TUBE TO BOSS.

The ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, seat_angle: 60.0 DEGREES FIRST END, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL TUBE FIRST END, connection_style: GASKET SEAL (BOSS) SECOND END, special_features: DRILLED 0.090 IN. DIA THRU BOTH WALLS FIRST END FOR LEAK CHECK; 0.750 IN.

HEX WRENCHING FACILITY FIRST END IN. This part is cataloged in the U.S. Government catalog under NSN 4730-01-073-1372, 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
8455374
NSN: 4730-01-073-1372
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
seat_angle60.0 DEGREES FIRST END
thread_class2B FIRST END
connection_typeTHREADED INTERNAL TUBE FIRST END
connection_styleGASKET SEAL (BOSS) SECOND END
special_featuresDRILLED 0.090 IN. DIA THRU BOTH WALLS FIRST END FOR LEAK CHECK; 0.750 IN. HEX WRENCHING FACILITY FIRST END IN
operating_pressure6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.437 INCHES SECOND END IN
maximum_operating_temp160.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.120 INCHES IN
media_for_which_designedAIR SINGLE RESPONSE
thread_series_designatorUNF SECOND END
NSN4730-01-073-1372
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 8455374 · 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
•
CONNECTION STYLE: GASKET SEAL (BOSS) SECOND END
•
NOMINAL OVERALL LENGTH: 1.120 INCHES IN
•
CONNECTION TYPE: THREADED INTERNAL BOSS SECOND END
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM-A581 ASSN STD 1ST MATERIAL RESPONSE AND ASTM-A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.250 INCHES FIRST END IN
•
OPERATING PRESSURE: 6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS
CONNECTION STYLEGASKET SEAL (BOSS) SECOND END
CONNECTION STYLEHIGH PRESSURE FLARE (USED W/ MALE THREADED STYLE NO. 78)(TUBE) FIRST END
NOMINAL OVERALL LENGTH1.120 INCHES IN
CONNECTION TYPETHREADED INTERNAL BOSS SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM-A581 ASSN STD 1ST MATERIAL RESPONSE AND ASTM-A582 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
OPERATING PRESSURE6600.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL THREAD SIZE0.437 INCHES SECOND END IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
SUBSTITUTES & CROSS-REFERENCES 2
3304588-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
3304588Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8455374?
8455374 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace 8455374?
There are 2 known substitutes for 8455374: 3304588-1, 3304588. Substitute compatibility should be verified for your specific system.
What is the NSN for 8455374?
8455374 is cataloged in the U.S. Government catalog under NSN 4730-01-073-1372. This indicates validated use in U.S. government and defense supply chains.
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