C7856 — COUPLING,TUBE

✓ Government record, cited

— · HOSE FITTING

PRODUCT OVERVIEW

C7856: COUPLING,TUBE.

The COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 6061 OVERALL, thread_class: 3A FIRST END BULKHEAD A, connection_type: THREADED EXTERNAL TUBE FIRST END BULKHEAD, connection_style: SWAGED W/ GROOVES (TUBE) ALL ENDS, special_features: POLYTETRAFLUOROETHYLENE COAT BOTH ENDS INTERNALLY 0.425 IN. IN, style_designator: SWAGED ENDS W/BULKHEAD.

This part is cataloged in the U.S. Government catalog under NSN 4730-01-175-5140, 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

C7856

NSN: 4730-01-175-5140
NIINs: 011755140, 012733654, 012741836, 012741837, 012748406
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 81755 — LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY (USA)

SPECIFICATIONS

material	ALUMINUM ALLOY 6061 OVERALL
thread_class	3A FIRST END BULKHEAD A
connection_type	THREADED EXTERNAL TUBE FIRST END BULKHEAD
connection_style	SWAGED W/ GROOVES (TUBE) ALL ENDS
special_features	POLYTETRAFLUOROETHYLENE COAT BOTH ENDS INTERNALLY 0.425 IN. IN
style_designator	SWAGED ENDS W/BULKHEAD
surface_treatment	PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
nominal_thread_size	0.875 INCHES FIRST END BULKHEAD IN
nominal_overall_length	5.650 INCHES IN
thread_quantity_per_inch	12 FIRST END BULKHEAD
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END BULKHEAD
material_document_and_classification	QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN	4730-01-175-5140

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

CONNECTION STYLE: SWAGED W/ GROOVES (TUBE) ALL ENDS

•

TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED: 0.083 INCHES ALL ENDS IN

•

NOMINAL OVERALL LENGTH: 5.383 INCHES IN

•

CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END BULKHEAD

•

STYLE DESIGNATOR: SWAGED ENDS W/BULKHEAD

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLE	SWAGED W/ GROOVES (TUBE) ALL ENDS
TUBING WALL NOMINAL THICKNESS FOR WHICH DESIGNED	0.083 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH	5.383 INCHES IN
CONNECTION TYPE	THREADED EXTERNAL TUBE FIRST END BULKHEAD
CONNECTION TYPE	UNTHREADED INTERNAL TUBE ALL ENDS
STYLE DESIGNATOR	SWAGED ENDS W/BULKHEAD
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5656 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED	0.500 INCHES ALL ENDS IN
NOMINAL THREAD SIZE	0.750 INCHES FIRST END BULKHEAD IN

SUBSTITUTES & CROSS-REFERENCES 2

D10153Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

D10153-08Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 C7856?

C7856 is a COUPLING,TUBE.

What parts can replace C7856?

There are 2 known substitutes for C7856: D10153, D10153-08. Substitute compatibility should be verified for your specific system.

What is the NSN for C7856?

C7856 is cataloged in the U.S. Government catalog under NSN 4730-01-175-5140. This indicates validated use in U.S. government and defense supply chains.

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