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443979 — TELETYPEWRITER SUBASSEMBLY

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

443979: TELETYPEWRITER SUBASSEMBLY.

The TELETYPEWRITER SUBASSEMBLY is a the manufacturer industrial component. Key specifications include material: STEEL, flow_angle: 45.0 DEGREES, leg_length: 1.000 INCHES NOMINAL FIRST END IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, special_features: WEAPON SYSTEM ESSENTIAL. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-3722, 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
443979
NSN: 4730-00-278-3722
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
materialSTEEL
flow_angle45.0 DEGREES
leg_length1.000 INCHES NOMINAL FIRST END IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
special_featuresWEAPON SYSTEM ESSENTIAL
style_designatorOUTSIDE HEXAGON OR OCTAGON (PARTIAL OR FULL THREAD OPTIONAL)
surface_treatmentPHOSPHATE
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES ALL ENDS IN
external_thread_size1-1/2-11-1/2
internal_thread_size1-1/4-11-1/2
NSN4730-00-278-3722
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 443979 · 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
SUBSTITUTES & CROSS-REFERENCES 7
4-4 140137CReference document
Same NSN cross-reference
Reference document — Secondary reference
1-4FF-SReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
1305359Reference document
Same NSN cross-reference
Reference document — Secondary reference
SAE J514,4-4 140137Reference document
Same NSN cross-reference
Reference document — Secondary reference
PF10-4Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
118-2658-003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 443979?
443979 is a TELETYPEWRITER SUBASSEMBLY.
What parts can replace 443979?
There are 7 known substitutes for 443979: 4-4 140137C, 1-4FF-S, 1305359 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 443979?
443979 is cataloged in the U.S. Government catalog under NSN 4730-00-278-3722. This indicates validated use in U.S. government and defense supply chains.
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