PartsTable TECHNICAL DATA SHEET

NSN 4710-01-444-7520Government record, cited

Tube and Fittings, Metallic4710-01-444-7520

NSN 4710-01-444-7520 · NIIN 014447520

FSC 4710 — Pipe, Tube and Rigid Tubing · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4710-01-444-7520 · 4710014447520 · NIIN 014447520 · 01-444-7520 · FSC 4710 Pipe, Tube and Rigid Tubing · 656-12001-2 · 656-12001-2 · 656-12001

Nearby stock numbers ← 4710-01-444-7514 Tube and Fittings, Metallic · 4710-01-444-7523 Tube and Fittings, Metallic →

4710-01-444-7520 — Pipe, Tube and Rigid Tubing

Features

Tube and Fittings,metallic — FSC 4710

Identification

NSN: 4710-01-444-7520
NIIN: 014447520
FSC: 4710 — Pipe, Tube and Rigid Tubing
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Tube and Fittings,metallic, cataloged under National Stock Number 4710-01-444-7520, is classified within Federal Supply Class 4710 (Pipe, Tube and Rigid Tubing) of the Pipe, Tubing, Hose, and Fittings group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Tube and Fittings,metallic
FSC / FSG	4710 — Pipe, Tube and Rigid Tubing (FSG 47)

Technical Specifications

Parameter	Value
NSN	4710-01-444-7520
Item Name	Tube and Fittings,metallic
FSC / FSG	4710 / 47 — Pipe, Tube and Rigid Tubing
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

⇄ Related Items 7

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4710-01-444-7523656-12001-1 POSSIBLE MATCH

TUBE AND FITTINGS,METALLIC

Possible match (shared part number)The Boeing Company Div Legacy Wichita

4710-01-444-8964656-12001-13 POSSIBLE MATCH

TUBE,BENT,METALLIC

Possible match (shared part number)The Boeing Company Div Legacy Wichita

4710-01-445-0253656-12001-15 POSSIBLE MATCH

TUBE ASSEMBLY,METAL,BRANCHED

Possible match (shared part number)The Boeing Company Div Legacy Wichita

4710-01-445-0255656-12001-16 POSSIBLE MATCH

TUBE ASSEMBLY,METAL

Possible match (shared part number)The Boeing Company Div Legacy Wichita

4710-01-445-0259656-12001-20 POSSIBLE MATCH

TUBE ASSEMBLY,METAL,BRANCHED

Possible match (shared part number)The Boeing Company Div Legacy Wichita

4710-01-445-0263 POSSIBLE MATCH

TUBE ASSEMBLY,METAL

Possible match (shared part number)

4710-01-445-0266656-12001-23 POSSIBLE MATCH

TUBE ASSEMBLY,METAL

Possible match (shared part number)The Boeing Company Div Legacy Wichita

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
656-12001-2	3/2 Design control — primary reference U.S. Government activity
656-12001-2	5/2 Secondary reference U.S. Government activity
656-12001	D/9 Drawing number reference only U.S. Government activity

Related Parts

4710-01-444-7523POSSIBLE MATCH

TUBE AND FITTINGS,METALLIC

656-12001-1

4710-01-444-8964POSSIBLE MATCH

TUBE,BENT,METALLIC

656-12001-13

4710-01-445-0253POSSIBLE MATCH

TUBE ASSEMBLY,METAL,BRANCHED

656-12001-15

4710-01-445-0255POSSIBLE MATCH

TUBE ASSEMBLY,METAL

656-12001-16

4710-01-445-0259POSSIBLE MATCH

TUBE ASSEMBLY,METAL,BRANCHED

656-12001-20

4710-01-445-0263POSSIBLE MATCH

TUBE ASSEMBLY,METAL

4710-01-445-0266POSSIBLE MATCH

TUBE ASSEMBLY,METAL

656-12001-23

Frequently Asked Questions

What is NSN 4710-01-444-7520?

NSN 4710-01-444-7520 is a Tube and Fittings,metallic, classified under FSC 4710, Pipe, Tube and Rigid Tubing. Status: active.

What NSN replaces 4710-01-444-7520?

7 possible matches (shared part number, not a government interchangeability claim): 4710-01-444-7523, 4710-01-444-8964, 4710-01-445-0253. Verify interchangeability with system specifications before substitution.

Is NSN 4710-01-444-7520 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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