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NSN 4730-01-186-3779Government record, cited
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Tailpiece, Union4730-01-186-3779

NSN 4730-01-186-3779 · NIIN 011863779 · Part number 045-0297-17
Portland Valve Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 53154
Government record, cited
NSN 4730-01-186-3779 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-186-3779. Manufacturer of record part number: 045-0297-17.
Also searched as  4730-01-186-3779 · 4730011863779 · NIIN 011863779 · 01-186-3779 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 53154 · 045-0297-17 · E-2104 · E-2104 PIECE 68 ASSEMBLY K
Nearby stock numbers  ·
HOSE FITTING
4730-01-186-3779 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Tailpiece,union — FSC 4730
  • 2 manufacturer part numbers on file
  • Manufacturer of record: Portland Valve Llc
Identification
  • NSN: 4730-01-186-3779
  • NIIN: 011863779
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 045-0297-17
  • Manufacturer: Portland Valve Llc
General Description

The Tailpiece,union, cataloged under National Stock Number 4730-01-186-3779, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Portland Valve Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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.

Catalog Facts
Item NameTailpiece,union
FSC / FSG4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
ManufacturersPortland Valve Llc (CAGE 53154)
Technical Specifications
ParameterValue
NSN4730-01-186-3779
Primary Part Number045-0297-17
Item NameTailpiece,union
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerPortland Valve Llc
StatusACTIVE
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.
4820-01-186-8663E-2104 ASSEMBLY CA 1/4IN POSSIBLE MATCH
VALVE,BALL
Possible match (shared part number)Portland Valve Llc
4730-01-186-9621045-0350-17 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-186-9622045-0351-17 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-186-9623045-0353-34 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-186-9624045-0380-17 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-189-4796045-0290-17 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-190-2582045-0289-17 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
4730-01-195-6225045-0208-10 POSSIBLE MATCH
TAILPIECE,UNION
Possible match (shared part number)Portland Valve Llc
Cross-Reference Index
Part NumberManufacturer
045-0297-17 PRIMARY Portland Valve Llc (USA)
E-2104 PIECE 68 ASSEMBLY K PRIMARY Portland Valve Llc (USA)
Reference documents
ReferenceMeaning
E-2104 D/9 Drawing number reference only
Portland Valve Llc
Related Parts
4820-01-186-8663POSSIBLE MATCH
VALVE,BALL
E-2104 ASSEMBLY CA 1/4IN
4730-01-186-9621POSSIBLE MATCH
TAILPIECE,UNION
045-0350-17
4730-01-186-9622POSSIBLE MATCH
TAILPIECE,UNION
045-0351-17
4730-01-186-9623POSSIBLE MATCH
TAILPIECE,UNION
045-0353-34
4730-01-186-9624POSSIBLE MATCH
TAILPIECE,UNION
045-0380-17
4730-01-189-4796POSSIBLE MATCH
TAILPIECE,UNION
045-0290-17
4730-01-190-2582POSSIBLE MATCH
TAILPIECE,UNION
045-0289-17
4730-01-195-6225POSSIBLE MATCH
TAILPIECE,UNION
045-0208-10

Frequently Asked Questions

What is NSN 4730-01-186-3779?

NSN 4730-01-186-3779 is a Tailpiece,union, manufactured by Portland Valve Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-186-3779?

NSN 4730-01-186-3779 has 2 manufacturer part numbers on file: 045-0297-17 (Portland Valve Llc), E-2104 PIECE 68 ASSEMBLY K (Portland Valve Llc).

What NSN replaces 4730-01-186-3779?

8 possible matches (shared part number, not a government interchangeability claim): 4820-01-186-8663, 4730-01-186-9621, 4730-01-186-9622. Verify interchangeability with system specifications before substitution.

Is NSN 4730-01-186-3779 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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