PartsTable TECHNICAL DATA SHEET
Download PDF
NSN 4730-01-135-6947Government record, cited
Home › MRO › Pipe, Tubing, Hose, and Fittings › 4730-01-135-6947

Spacer, Flexible, Pipeline4730-01-135-6947

NSN 4730-01-135-6947 · NIIN 011356947
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-135-6947 · 4730011356947 · NIIN 011356947 · 01-135-6947 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 501-4776081 · 2642-643-11ASSYA · 87643-3221IT F-45 · 87643-3221 · 4776081-0F45
Nearby stock numbers  ·
L 2.120 INCHES NOMINAL IN HOSE FITTING
4730-01-135-6947 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Spacer,flexible,pipeline — FSC 4730
  • Flange Thickness: 0.190 INCHES NOMINAL IN
  • Style Designator: ROUND
  • Material Document and Classification: MIL-R-6855, CLASS 2, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE
  • Outside Diameter: 27.350 INCHES NOMINAL IN
  • Body Length: 2.120 INCHES NOMINAL IN
  • Inside Diameter: 23.100 INCHES NOMINAL IN
  • Flange Height: 2.125 INCHES NOMINAL IN
Identification
  • NSN: 4730-01-135-6947
  • NIIN: 011356947
  • 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 4730-01-135-6947, 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10 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-135-6947
Item NameSpacer,flexible,pipeline
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Flange Thickness0.190 INCHES NOMINAL IN
Style DesignatorROUND
Material Document and ClassificationMIL-R-6855, CLASS 2, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE
Outside Diameter27.350 INCHES NOMINAL IN
Body Length2.120 INCHES NOMINAL IN
Inside Diameter23.100 INCHES NOMINAL IN
Flange Height2.125 INCHES NOMINAL IN
MaterialRUBBER CHLOROPRENE CLASS CR
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 9
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-135-770187643-2611ITEM F45 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-139-192687643-3221 ITEM F-51 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-140-179887643-3221ITEM F-43 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-147-564687643-3610IT F-8 POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
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
4730-01-153-88164775081-0F15 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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
501-4776081 D/9 Drawing number reference only
U.S. Government activity
2642-643-11ASSYA D/9 Drawing number reference only
U.S. Government activity
87643-3221IT F-45 3/2 Design control — primary reference
U.S. Government activity
87643-3221 D/9 Drawing number reference only
U.S. Government activity
4776081-0F45 5/9 Secondary reference
U.S. Government activity
4775081-0F45 C/1 Advisory reference — outside the item-of-supply concept
U.S. Government activity
Related Parts
4730-01-135-7701POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-2611ITEM F45
4730-01-139-1926POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-3221 ITEM F-51
4730-01-140-1798POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-3221ITEM F-43
4730-01-147-5646POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-3610IT F-8
4730-01-149-7989POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
87643-2501 ITEM F-32
4730-01-153-8816POSSIBLE MATCH
SPACER,FLEXIBLE,PIPELINE
4775081-0F15
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

Frequently Asked Questions

What is NSN 4730-01-135-6947?

NSN 4730-01-135-6947 is a Spacer,flexible,pipeline, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-135-6947?

9 possible matches (shared part number, not a government interchangeability claim): 4730-01-135-7701, 4730-01-139-1926, 4730-01-140-1798. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-135-6947?

Key specifications for 4730-01-135-6947: Flange Thickness: 0.190 INCHES NOMINAL IN; Style Designator: ROUND; Material Document and Classification: MIL-R-6855, CLASS 2, GRADE 40 MIL SPEC SINGLE MATERIAL RESPONSE; Outside Diameter: 27.350 INCHES NOMINAL IN. 10 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-135-6947 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.

PartsTable — the parts reference. Every fact cited to its source.
partstable.com/parts/4730-01-135-6947
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
PartsTable Design LLC · partstable.com
partstable.com · © 2026 PartsTable. Data for reference only.
Home · MRO Catalog · Pipe, Tubing, Hose, and Fittings