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NSN 4730-01-308-7121Government record, cited

Coupling, Pipe4730-01-308-7121

NSN 4730-01-308-7121 · NIIN 013087121

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

Government record, cited

Also searched as 4730-01-308-7121 · 4730013087121 · NIIN 013087121 · 01-308-7121 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 2621-022-01 PIECE 8 · 704-4677577 ITEMF8 · 704-4677577 ITE · 704-4677577

Nearby stock numbers ← 4730-01-308-7114 Flange, Pipe · 4730-01-308-7122 →

4730-01-308-7121 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Coupling,pipe — FSC 4730

Identification

NSN: 4730-01-308-7121
NIIN: 013087121
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Coupling,pipe, cataloged under National Stock Number 4730-01-308-7121, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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	Coupling,pipe
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)

Technical Specifications

Parameter	Value
NSN	4730-01-308-7121
Item Name	Coupling,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE

Lifecycle & Compliance

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

⇄ Related Items 3

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

4730-01-309-07662621-092-01 PIECE 16A POSSIBLE MATCH

COUPLING,TUBE

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

4730-01-309-51192621-791-05 PIECE 142 POSSIBLE MATCH

TAILPIECE,UNION

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

4730-01-310-113217-97-0507 POSSIBLE MATCH

ELBOW,TUBE

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
2621-022-01 PIECE 8	3/2 Design control — primary reference U.S. Government activity
704-4677577 ITEMF8	5/2 Secondary reference U.S. Government activity
704-4677577 ITE	C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity
704-4677577	D/9 Drawing number reference only U.S. Government activity

Related Parts

4730-01-309-0766POSSIBLE MATCH

COUPLING,TUBE

2621-092-01 PIECE 16A

4730-01-309-5119POSSIBLE MATCH

TAILPIECE,UNION

2621-791-05 PIECE 142

4730-01-310-1132POSSIBLE MATCH

ELBOW,TUBE

17-97-0507

Frequently Asked Questions

What is NSN 4730-01-308-7121?

NSN 4730-01-308-7121 is a Coupling,pipe, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-308-7121?

3 possible matches (shared part number, not a government interchangeability claim): 4730-01-309-0766, 4730-01-309-5119, 4730-01-310-1132. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-308-7121 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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