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3959X8 — CABLE ASSEMBLY,SPECIAL PURPOSE,E

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

3959X8: CABLE ASSEMBLY,SPECIAL PURPOSE,E.

CABLE ASSEMBLY,SPECIAL PURPOSE,E. Key specifications include material: IRON OVERALL, leg_length: 1.230 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.500 INCHES ALL ENDS IN. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-278-7792, 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
3959X8
NSN: 4730-00-278-7792
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialIRON OVERALL
leg_length1.230 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.500 INCHES ALL ENDS IN
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data1 TYPE
specification/standard_data81348-WW-P-521 GOVERNMENT SPECIFICATION
material_document_and_classificationASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-278-7792
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 3959X8 · 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: PLAIN (PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
LEG LENGTH: 1.230 INCHES NOMINAL ALL ENDS IN
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
•
SPECIFICATION/STANDARD DATA: 81348-WW-P-521 GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A197 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
LEG LENGTH1.230 INCHES NOMINAL ALL ENDS IN
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
SPECIFICATION/STANDARD DATA81348-WW-P-521 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 TYPE
MATERIALIRON OVERALL
THREAD SERIES DESIGNATORNPT ALL ENDS
SUBSTITUTES & CROSS-REFERENCES 6
1K1589Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
664-370Reference document
Same NSN cross-reference
Reference document — Secondary reference
64515Reference document
Same NSN cross-reference
Reference document — Secondary reference
WWP521Reference document
Same NSN cross-reference
Reference document — Identification reference
142340Reference document
Same NSN cross-reference
Reference document — Secondary reference
505-0708Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3959X8?
3959X8 is a CABLE ASSEMBLY,SPECIAL PURPOSE,E.
What parts can replace 3959X8?
There are 6 known substitutes for 3959X8: 1K1589, 664-370, 64515 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3959X8?
3959X8 is cataloged in the U.S. Government catalog under NSN 4730-00-278-7792. This indicates validated use in U.S. government and defense supply chains.
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