PartsTable TECHNICAL DATA SHEET
NSN 4730-01-130-5686Government record, cited

Spacer, Flexible, Pipeline4730-01-130-5686

NSN 4730-01-130-5686 · NIIN 011305686
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-130-5686 · 4730011305686 · NIIN 011305686 · 01-130-5686 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 501-4788759 · 845-4675606 · 501-4788759F64 · 2642-643-11ASSY B · 4788759-0F64
Nearby stock numbers  ·
Features
  • Spacer,flexible,pipeline — FSC 4730
  • Inside Width: 4.000 INCHES NOMINAL IN
  • Inside Length: 6.400 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
  • Flange Thickness: 0.200 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
  • Style Designator: RECTANGULAR
  • Body Length: 2.050 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
  • Outside Width: 6.525 INCHES MINIMUM AND 6.609 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
Identification
  • NSN: 4730-01-130-5686
  • NIIN: 011305686
  • 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 4730-01-130-5686, 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9 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-130-5686
Item NameSpacer,flexible,pipeline
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Inside Width4.000 INCHES NOMINAL IN
Inside Length6.400 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN
Flange Thickness0.200 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN
Style DesignatorRECTANGULAR
Body Length2.050 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN
Outside Width6.525 INCHES MINIMUM AND 6.609 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Fabrication MethodMOLDED
Thickness0.200 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 8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-130-946087643-3702 IT F-56 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-131-6298876443-1918 IT F-31 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-131-974587643-1918ITEM F-54 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-138-67542642-643X11 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-147-503987643-2912IT F-69 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-147-649787643-2520IT F-26 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-148-14904788759-0F24 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Naval Ship Systems Command
4730-01-148-835687643-1918 ITEM F-42 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Unimasco Inc
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
501-4788759 D/9 Drawing number reference only
U.S. Government activity
845-4675606 D/9 Drawing number reference only
U.S. Government activity
501-4788759F64 5/2 Secondary reference
U.S. Government activity
2642-643-11ASSY B D/9 Drawing number reference only
U.S. Government activity
4788759-0F64 5/2 Secondary reference
U.S. Government activity
87643-1918ITEM F-64 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-130-9460POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-3702 IT F-56
4730-01-131-6298POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
876443-1918 IT F-31
4730-01-131-9745POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-1918ITEM F-54
4730-01-138-6754POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
2642-643X11
4730-01-147-5039POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-2912IT F-69
4730-01-147-6497POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-2520IT F-26
4730-01-148-1490POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4788759-0F24
4730-01-148-8356POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-1918 ITEM F-42

Frequently Asked Questions

What is NSN 4730-01-130-5686?

NSN 4730-01-130-5686 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-130-5686?

8 possible matches (shared part number, not a government interchangeability claim): 4730-01-130-9460, 4730-01-131-6298, 4730-01-131-9745. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-130-5686?

Key specifications for 4730-01-130-5686: Inside Width: 4.000 INCHES NOMINAL IN; Inside Length: 6.400 INCHES MINIMUM AND 6.500 INCHES MAXIMUM IN; Flange Thickness: 0.200 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Style Designator: RECTANGULAR. 9 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-130-5686 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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