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90C0001 — ELBOW,BOSS

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

90C0001: ELBOW,BOSS.

The ELBOW,BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, flow_angle: 90.0 DEGREES, leg_length: 0.683 INCHES NOMINAL FIRST END IN, thread_class: 2B FIRST END, connection_type: THREADED INTERNAL BOSS FIRST END, connection_style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-201-4705, 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
90C0001
NSN: 4730-00-201-4705
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 0BUJ0 — DASH ENGINEERING INC DBA D E I (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
flow_angle90.0 DEGREES
leg_length0.683 INCHES NOMINAL FIRST END IN
thread_class2B FIRST END
connection_typeTHREADED INTERNAL BOSS FIRST END
connection_styleEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.250 INCHES FIRST END IN
thread_series_designatorUNF ALL ENDS
material_document_and_classificationQQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-201-4705
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 90C0001 · 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
•
FLOW ANGLE: 90.0 DEGREES
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: 11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
•
CONNECTION TYPE: THREADED INTERNAL BOSS FIRST END
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
LEG LENGTH: 0.683 INCHES NOMINAL FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW ANGLE90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION11-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END
CONNECTION STYLEGASKET SEAL (BOSS) FIRST END
CONNECTION TYPETHREADED INTERNAL BOSS FIRST END
CONNECTION TYPETHREADED EXTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-769,TYPE 303SE,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE OVERALL
LEG LENGTH0.683 INCHES NOMINAL FIRST END IN
LEG LENGTH0.893 INCHES NOMINAL SECOND END IN
NOMINAL THREAD SIZE0.625 INCHES SECOND END IN
SUBSTITUTES & CROSS-REFERENCES 2
MSS21789-2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
A51K9035-17Reference 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 90C0001?
90C0001 is a ELBOW,BOSS.
What parts can replace 90C0001?
There are 2 known substitutes for 90C0001: MSS21789-2, A51K9035-17. Substitute compatibility should be verified for your specific system.
What is the NSN for 90C0001?
90C0001 is cataloged in the U.S. Government catalog under NSN 4730-00-201-4705. This indicates validated use in U.S. government and defense supply chains.
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