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NSN 4730-01-147-5646Government record, cited
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Spacer, Flexible, Pipeline4730-01-147-5646

NSN 4730-01-147-5646 · NIIN 011475646
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-147-5646 · 4730011475646 · NIIN 011475646 · 01-147-5646 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 501-4675402 · 87643-3610IT F-8 · 2642-643-11ASSY A · 845-4675606
Nearby stock numbers  ·
L 2.120 INCHES NOMINAL IN HOSE FITTING
4730-01-147-5646 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Spacer,flexible,pipeline — FSC 4730
  • Flange Thickness: 0.190 INCHES NOMINAL IN
  • Style Designator: ROUND
  • Outside Diameter: 11.500 INCHES NOMINAL IN
  • Body Length: 2.120 INCHES NOMINAL IN
  • Inside Diameter: 6.500 INCHES NOMINAL IN
  • Flange Height: 5.000 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
Identification
  • NSN: 4730-01-147-5646
  • NIIN: 011475646
  • 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 4730-01-147-5646, 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 9 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-147-5646
Item NameSpacer,flexible,pipeline
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Flange Thickness0.190 INCHES NOMINAL IN
Style DesignatorROUND
Outside Diameter11.500 INCHES NOMINAL IN
Body Length2.120 INCHES NOMINAL IN
Inside Diameter6.500 INCHES NOMINAL IN
Flange Height5.000 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Fabrication MethodMOLDED
Thickness0.190 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 5
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-149-798987643-2501 ITEM F-32 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-162-71514675093-00F8 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-163-09404675255-0F56 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-179-31334675165-0F10 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-188-22274675402-00F3 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
ReferenceMeaning
501-4675402 D/9 Drawing number reference only
U.S. Government activity
87643-3610IT F-8 3/2 Design control — primary reference
U.S. Government activity
2642-643-11ASSY A 5/1 Secondary reference
U.S. Government activity
845-4675606 D/9 Drawing number reference only
U.S. Government activity
Related Parts
4730-01-149-7989POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-2501 ITEM F-32
4730-01-162-7151POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4675093-00F8
4730-01-163-0940POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4675255-0F56
4730-01-179-3133POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4675165-0F10
4730-01-188-2227POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4675402-00F3

Frequently Asked Questions

What is NSN 4730-01-147-5646?

NSN 4730-01-147-5646 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-147-5646?

5 possible matches (shared part number, not a government interchangeability claim): 4730-01-149-7989, 4730-01-162-7151, 4730-01-163-0940. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-147-5646?

Key specifications for 4730-01-147-5646: Flange Thickness: 0.190 INCHES NOMINAL IN; Style Designator: ROUND; Outside Diameter: 11.500 INCHES NOMINAL IN; Body Length: 2.120 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-147-5646 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.

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