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Technical Data Sheet
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9979M98P01 — ELBOW,TUBE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

9979M98P01: ELBOW,TUBE.

The ELBOW,TUBE is a the manufacturer industrial component. Key specifications include connection_type: UNTHREADED EXTERNAL TUBE FIRST END, special_features: FIRST END COUNTERBORED 0.377-0.379,0.150-0.170 DEEP; SECOND END COUNTERBORED 0.189-0.191,0.150-0.170 DEEP, special_test_features: FAILURE OF THE PART CAN CAUSE AN UNCOMMANDED ENGINE SHUT DOWN. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-174-2995, 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
9979M98P01
NSN: 4730-01-174-2995
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)
SPECIFICATIONS
connection_typeUNTHREADED EXTERNAL TUBE FIRST END
special_featuresFIRST END COUNTERBORED 0.377-0.379,0.150-0.170 DEEP; SECOND END COUNTERBORED 0.189-0.191,0.150-0.170 DEEP
special_test_featuresFAILURE OF THE PART CAN CAUSE AN UNCOMMANDED ENGINE SHUT DOWN
NSN4730-01-174-2995
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9979M98P01 · 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
•
SPECIAL TEST FEATURES: FAILURE OF THE PART CAN CAUSE AN UNCOMMANDED ENGINE SHUT DOWN
•
CONNECTION TYPE: UNTHREADED EXTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS
SPECIAL TEST FEATURESFAILURE OF THE PART CAN CAUSE AN UNCOMMANDED ENGINE SHUT DOWN
CONNECTION TYPEUNTHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL TUBE SECOND END
SPECIAL FEATURESFIRST END COUNTERBORED 0.377-0.379,0.150-0.170 DEEP; SECOND END COUNTERBORED 0.189-0.191,0.150-0.170 DEEP
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
1784M38P01Reference 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 9979M98P01?
9979M98P01 is a ELBOW,TUBE.
What parts can replace 9979M98P01?
There is 1 known substitute for 9979M98P01: 1784M38P01. Substitute compatibility should be verified for your specific system.
What is the NSN for 9979M98P01?
9979M98P01 is cataloged in the U.S. Government catalog under NSN 4730-01-174-2995. This indicates validated use in U.S. government and defense supply chains.
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