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NSN 4730-01-138-1870Government record, cited

Spacer, Flexible, Pipeline4730-01-138-1870

NSN 4730-01-138-1870 · NIIN 011381870

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

Government record, cited

Also searched as 4730-01-138-1870 · 4730011381870 · NIIN 011381870 · 01-138-1870 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 501-4675177F12 · 87643-2221ITF12 · 501-4675177

Nearby stock numbers ← 4730-01-138-1845 Seal, Nut · 4730-01-138-1967 →

4730-01-138-1870 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Spacer,flexible,pipeline — FSC 4730

Identification

NSN: 4730-01-138-1870
NIIN: 011381870
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Spacer,flexible,pipeline, cataloged under National Stock Number 4730-01-138-1870, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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	Spacer,flexible,pipeline
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)

Technical Specifications

Parameter	Value
NSN	4730-01-138-1870
Item Name	Spacer,flexible,pipeline
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 4

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

4730-01-148-149187643-2221IT F-20 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-148-149287643-2221ITEM F-58 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-149-79904675177-0F87 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-151-991187643-2221 IT F-10 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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
501-4675177F12	5/2 Secondary reference U.S. Government activity
87643-2221ITF12	3/2 Design control — primary reference U.S. Government activity
501-4675177	D/9 Drawing number reference only U.S. Government activity

Related Parts

4730-01-148-1491POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

87643-2221IT F-20

4730-01-148-1492POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

87643-2221ITEM F-58

4730-01-149-7990POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

4675177-0F87

4730-01-151-9911POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

87643-2221 IT F-10

Frequently Asked Questions

What is NSN 4730-01-138-1870?

NSN 4730-01-138-1870 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-138-1870?

4 possible matches (shared part number, not a government interchangeability claim): 4730-01-148-1491, 4730-01-148-1492, 4730-01-149-7990. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-138-1870 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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