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Technical Data Sheet
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645111.300 — ELBOW,PIPE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

645111.300: ELBOW,PIPE.

The ELBOW,PIPE is a the manufacturer industrial component. Key specifications include leg_length: 3.125 INCHES NOMINAL ALL ENDS IN, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) ALL ENDS, special_features: THE MATERIAL IS COPPER NICKEL C96400 (CUNI 70/30), operating_pressure: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS, maximum_operating_temp: 350.0 FAHRENHEIT SECOND RESPONSE DEGF. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-416-6904, 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
645111.300
NSN: 4730-01-416-6904
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 1QP40 — W & O SUPPLY INC (USA)
SPECIFICATIONS
leg_length3.125 INCHES NOMINAL ALL ENDS IN
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) ALL ENDS
special_featuresTHE MATERIAL IS COPPER NICKEL C96400 (CUNI 70/30)
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
maximum_operating_temp350.0 FAHRENHEIT SECOND RESPONSE DEGF
media_for_which_designedWATER-OIL-GAS SECOND RESPONSE
nominal_pipe_size_accommodated1.500 INCHES ALL ENDS IN
NSN4730-01-416-6904
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 645111.300 · 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
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
LEG LENGTH: 3.125 INCHES NOMINAL ALL ENDS IN
•
MAXIMUM OPERATING TEMP: 350.0 FAHRENHEIT SECOND RESPONSE DEGF
TECHNICAL CHARACTERISTICS
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS IN
CONNECTION STYLESOCKET (PIPE) ALL ENDS
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
OPERATING PRESSURE200.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
LEG LENGTH3.125 INCHES NOMINAL ALL ENDS IN
MAXIMUM OPERATING TEMP350.0 FAHRENHEIT SECOND RESPONSE DEGF
MAXIMUM OPERATING TEMP400.0 FAHRENHEIT FIRST RESPONSE DEGF
SPECIAL FEATURESTHE MATERIAL IS COPPER NICKEL C96400 (CUNI 70/30)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
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 2
00699067685413Reference document
Same NSN cross-reference
Reference document — Secondary reference
6911-300Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 645111.300?
645111.300 is a ELBOW,PIPE.
What parts can replace 645111.300?
There are 2 known substitutes for 645111.300: 00699067685413, 6911-300. Substitute compatibility should be verified for your specific system.
What is the NSN for 645111.300?
645111.300 is cataloged in the U.S. Government catalog under NSN 4730-01-416-6904. This indicates validated use in U.S. government and defense supply chains.
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