PartsTable TECHNICAL DATA SHEET

NSN 4730-01-308-7177Government record, cited

Coupling, Tube4730-01-308-7177

NSN 4730-01-308-7177 · NIIN 013087177

FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4730-01-308-7177 · 4730013087177 · NIIN 013087177 · 01-308-7177 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 704-4685582 ITEM F14 · 704-4685582 · 2621-791-03 PIECE 16

Nearby stock numbers ← 4730-01-308-7176 Coupling, Pipe · 4730-01-308-7178 Elbow, Flange →

4730-01-308-7177 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Coupling,tube — FSC 4730
Material: COPPER ALLOY OVERALL

Identification

NSN: 4730-01-308-7177
NIIN: 013087177
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Coupling,tube, cataloged under National Stock Number 4730-01-308-7177, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-308-7177
Item Name	Coupling,tube
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Material	COPPER ALLOY OVERALL

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 12

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

4730-01-308-717815-97-7043 POSSIBLE MATCH

ELBOW,FLANGE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-71792621166002-0193 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-718015-97-3350 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-718115-97-2881 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-71822621-166-03 ASSY 54 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-71832621-166-03 PIECE 68 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-718415-97-7044 POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-71852621-754-02 PIECE 12 POSSIBLE MATCH

TEE,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-718615-97-3952 POSSIBLE MATCH

TEE,FLANGE TO PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

4730-01-308-878613-97-0886 POSSIBLE MATCH

FLANGE,PIPE

Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat

Cross-Reference Index

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

Reference documents

Reference	Meaning
704-4685582 ITEM F14	5/2 Secondary reference U.S. Government activity
704-4685582	D/9 Drawing number reference only U.S. Government activity
2621-791-03 PIECE 16	3/2 Design control — primary reference U.S. Government activity

Related Parts

4730-01-308-7178POSSIBLE MATCH

ELBOW,FLANGE

15-97-7043

4730-01-308-7179POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

2621166002-0193

4730-01-308-7180POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

15-97-3350

4730-01-308-7181POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

15-97-2881

4730-01-308-7182POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

2621-166-03 ASSY 54

4730-01-308-7183POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

2621-166-03 PIECE 68

4730-01-308-7184POSSIBLE MATCH

ELBOW,FLANGE TO PIPE

15-97-7044

4730-01-308-7185POSSIBLE MATCH

TEE,FLANGE TO PIPE

2621-754-02 PIECE 12

4730-01-308-7186POSSIBLE MATCH

TEE,FLANGE TO PIPE

15-97-3952

4730-01-308-8786POSSIBLE MATCH

FLANGE,PIPE

13-97-0886

4730-01-309-5099POSSIBLE MATCH

TRAP,AIR

262174501-024A

4730-01-309-8215POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

13-97-0806

Frequently Asked Questions

What is NSN 4730-01-308-7177?

NSN 4730-01-308-7177 is a Coupling,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-308-7177?

12 possible matches (shared part number, not a government interchangeability claim): 4730-01-308-7178, 4730-01-308-7179, 4730-01-308-7180. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-308-7177?

Key specifications for 4730-01-308-7177: Part Name Assigned by Controlling Agency: COUPLING,TUBE; Material: COPPER ALLOY OVERALL. 1 specification is documented in the U.S. Government catalog.

Is NSN 4730-01-308-7177 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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