C7866-8L — ELBOW,TUBE TO BOSS

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

C7866-8L: ELBOW,TUBE TO BOSS.

The ELBOW,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: TITANIUM NUT, flow_angle: 90.0 DEGREES, leg_length: 1.920 INCHES MINIMUM AND 1.950 INCHES MAXIMUM FIRST END IN, thread_class: 3B SECOND END, connection_type: THREADED INTERNAL BOSS SECOND END, connection_style: GASKET SEAL (BOSS) SECOND END. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-042-2965, 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

C7866-8L

NSN: 4730-01-042-2965
NIINs: 010422965, 011756364
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	TITANIUM NUT
flow_angle	90.0 DEGREES
leg_length	1.920 INCHES MINIMUM AND 1.950 INCHES MAXIMUM FIRST END IN
thread_class	3B SECOND END
connection_type	THREADED INTERNAL BOSS SECOND END
connection_style	GASKET SEAL (BOSS) SECOND END
surface_treatment	PASSIVATE BODY
nominal_thread_size	0.718 INCHES SECOND END IN
thread_quantity_per_inch	20 SECOND END
material_document_and_classification	AMS5656 ASSN STD SINGLE MATERIAL RESPONSE BODY
surface_treatment_document_and_classification	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BODY
NSN	4730-01-042-2965

COMPONENT DIAGRAM

KEY FEATURES

•

FLOW ANGLE: 90.0 DEGREES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BODY

•

CONNECTION STYLE: GASKET SEAL (BOSS) SECOND END

•

CONNECTION TYPE: UNTHREADED EXTERNAL TUBE FIRST END

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5656 ASSN STD SINGLE MATERIAL RESPONSE BODY

TECHNICAL CHARACTERISTICS

FLOW ANGLE	90.0 DEGREES
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE BODY
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-L-8937B MIL SPEC SINGLE TREATMENT RESPONSE THREAD PIECE
CONNECTION STYLE	GASKET SEAL (BOSS) SECOND END
CONNECTION TYPE	UNTHREADED EXTERNAL TUBE FIRST END
CONNECTION TYPE	THREADED INTERNAL BOSS SECOND END
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5656 ASSN STD SINGLE MATERIAL RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATION	AMS4965 ASSN STD SINGLE MATERIAL RESPONSE NUT
LEG LENGTH	1.292 INCHES MINIMUM AND 1.322 INCHES MAXIMUM SECOND END IN
LEG LENGTH	1.920 INCHES MINIMUM AND 1.950 INCHES MAXIMUM FIRST END IN

SUBSTITUTES & CROSS-REFERENCES 2

D11021AT-08WSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D11021AT8WReference 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 C7866-8L?

C7866-8L is a ELBOW,TUBE TO BOSS.

What parts can replace C7866-8L?

There are 2 known substitutes for C7866-8L: D11021AT-08W, D11021AT8W. Substitute compatibility should be verified for your specific system.

What is the NSN for C7866-8L?

C7866-8L is cataloged in the U.S. Government catalog under NSN 4730-01-042-2965. This indicates validated use in U.S. government and defense supply chains.

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