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NSN 4730-01-137-1026Government record, cited
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Adapter Bushing4730-01-137-1026

NSN 4730-01-137-1026 · NIIN 011371026 · Part number 4623-H
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 76364
Government record, cited
NSN 4730-01-137-1026 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-137-1026. Manufacturer of record part number: 4623-H.
Also searched as  4730-01-137-1026 · 4730011371026 · NIIN 011371026 · 01-137-1026 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 76364 · 4623-H · 80000-01 ITEM 8 4623-H · 81551-01 PIECE 7 P/N 4623-H · 80000-01 ITEM 8 1 1-4 IN
Nearby stock numbers  ·
L 1.000 INCHES NOMINAL IN 0.875 INCHES NOMINAL IN HOSE FITTING
4730-01-137-1026 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Adapter Bushing — FSC 4730
  • Width Across Flats: 1.875 INCHES NOMINAL IN
  • Male End Thread Size: 1-9/16-12
  • Female End Thread Length: 1.000 INCHES NOMINAL IN
  • Female End Thread Class: 3B
  • Male End Thread Direction: RIGHT-HAND
  • Female End Thread Size: 3/4-7
  • Wrenching Facility Shape: HEXAGON
Identification
  • NSN: 4730-01-137-1026
  • NIIN: 011371026
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 4623-H
  • Manufacturer: Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
General Description

The Adapter Bushing, cataloged under National Stock Number 4730-01-137-1026, 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 Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-137-1026
Primary Part Number4623-H
Item NameAdapter Bushing
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerMilwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
StatusACTIVE
Width Across Flats1.875 INCHES NOMINAL IN
Male End Thread Size1-9/16-12
Female End Thread Length1.000 INCHES NOMINAL IN
Female End Thread Class3B
Male End Thread DirectionRIGHT-HAND
Female End Thread Size3/4-7
Wrenching Facility ShapeHEXAGON
Male End Screw Thread Series DesignatorUNS
Female End Screw Thread Series DesignatorACME G
Male End Thread Class2A A
Female End Thread DirectionRIGHT-HAND
MaterialCOPPER ALLOY
Male End Thread Length0.875 INCHES NOMINAL IN
Thickness0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
80000-01 ITEM 8 4623-H Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
81551-01 PIECE 7 P/N 4623-H Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
80000-01 ITEM 8 1 1-4 IN Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
4623-H PRIMARY Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA)
No interchangeability data on file.
Other items in FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4730-00-000-1895
4730-00-000-1895 · Item name not on file
4730-00-000-4289
4730-00-000-4289 · Item name not on file
4730-00-000-4445
4730-00-000-4445 · Item name not on file
4730-00-000-8373
4730-00-000-8373 · Item name not on file
4730-00-000-8897
4730-00-000-8897 · Item name not on file
4730-00-001-0007
4730-00-001-0007 · Item name not on file
4730-00-001-0008
COUPLING,TUBE
4730-00-001-0008
COUPLING,TUBE

Frequently Asked Questions

What is NSN 4730-01-137-1026?

NSN 4730-01-137-1026 is a Adapter Bushing, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-137-1026?

NSN 4730-01-137-1026 has 4 manufacturer part numbers on file: 80000-01 ITEM 8 4623-H (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 81551-01 PIECE 7 P/N 4623-H (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 80000-01 ITEM 8 1 1-4 IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 4623-H (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc).

What are the specifications of 4623-H?

Key specifications for 4623-H: Width Across Flats: 1.875 INCHES NOMINAL IN; Male End Thread Size: 1-9/16-12; Female End Thread Length: 1.000 INCHES NOMINAL IN; Female End Thread Class: 3B. 14 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-137-1026 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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