PartsTable TECHNICAL DATA SHEET

NSN 4730-01-147-5645Government record, cited

Spacer, Flexible, Pipeline4730-01-147-5645

NSN 4730-01-147-5645 · NIIN 011475645

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

Government record, cited

Also searched as 4730-01-147-5645 · 4730011475645 · NIIN 011475645 · 01-147-5645 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 87643-1801 · 4675101-0F33 · 501-4675101 · 501-4675101-F33

Nearby stock numbers ← 4730-01-147-5644 Spacer, Flexible, Pipeline · 4730-01-147-5646 Spacer, Flexible, Pipeline →

4730-01-147-5645 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Spacer,flexible,pipeline — FSC 4730
Inside Width: 10.500 INCHES NOMINAL IN
Inside Length: 22.000 INCHES NOMINAL IN
Flange Thickness: 0.200 INCHES NOMINAL IN
Style Designator: OVAL
Body Length: 2.100 INCHES NOMINAL IN
Outside Width: 13.100 INCHES NOMINAL IN
Flange Height: 1.300 INCHES NOMINAL IN

Identification

NSN: 4730-01-147-5645
NIIN: 011475645
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 4730-01-147-5645, 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 10 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications

Parameter	Value
NSN	4730-01-147-5645
Item Name	Spacer,flexible,pipeline
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Inside Width	10.500 INCHES NOMINAL IN
Inside Length	22.000 INCHES NOMINAL IN
Flange Thickness	0.200 INCHES NOMINAL IN
Style Designator	OVAL
Body Length	2.100 INCHES NOMINAL IN
Outside Width	13.100 INCHES NOMINAL IN
Flange Height	1.300 INCHES NOMINAL IN
Material	RUBBER SYNTHETIC
Fabrication Method	MOLDED
Thickness	0.200 INCHES NOMINAL IN

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.

4730-01-147-64924675101-0F47 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-147-64934675101-0F51 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-147-802987643-1801IT F30 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-147-803087643-1801IT F-52 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-162-44404675101-0F56 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4730-01-162-44414675101-0F60 POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

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

4720-01-184-425287643-1801 IT F-4 POSSIBLE MATCH

TUBING,NONMETALLIC

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
87643-1801	D/9 Drawing number reference only U.S. Government activity
4675101-0F33	3/2 Design control — primary reference U.S. Government activity
501-4675101	D/9 Drawing number reference only U.S. Government activity
501-4675101-F33	5/2 Secondary reference U.S. Government activity

Related Parts

4730-01-147-6492POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

4675101-0F47

4730-01-147-6493POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

4675101-0F51

4730-01-147-8029POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

87643-1801IT F30

4730-01-147-8030POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

87643-1801IT F-52

4730-01-162-4440POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

4675101-0F56

4730-01-162-4441POSSIBLE MATCH

SPACER,FLEXIBLE,PIPELINE

4675101-0F60

4720-01-184-4252POSSIBLE MATCH

TUBING,NONMETALLIC

87643-1801 IT F-4

Frequently Asked Questions

What is NSN 4730-01-147-5645?

NSN 4730-01-147-5645 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-147-5645?

7 possible matches (shared part number, not a government interchangeability claim): 4730-01-147-6492, 4730-01-147-6493, 4730-01-147-8029. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-147-5645?

Key specifications for 4730-01-147-5645: Inside Width: 10.500 INCHES NOMINAL IN; Inside Length: 22.000 INCHES NOMINAL IN; Flange Thickness: 0.200 INCHES NOMINAL IN; Style Designator: OVAL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-147-5645 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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