PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28-4-1Adapter,straight,pipe to Hose

Parker-Hannifin Corp Div Fluid System Connector Division · NSN 4730-01-297-9071 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-297-9071 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-297-9071. Primary manufacturer part number: 28-4-1.
Features
  • Adapter,straight,pipe to Hose — FSC 4730
  • Connection Type: UNTHREADED EXTERNAL HOSE SECOND END
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 0.062 INCHES FIRST END IN
  • Connection Style: PLAIN (PIPE) FIRST END
  • Material: COPPER ALLOY OVERALL
  • Nominal Inside Diameter Hose Accommodated: 0.250 INCHES SECOND END IN
  • Nominal Overall Length: 1.062 INCHES IN
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Copper Alloy Overall construction
General Description

The Adapter,straight,pipe to Hose, cataloged under National Stock Number 4730-01-297-9071, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Parker-Hannifin Corp Div Fluid System Connector Division. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-297-9071
Primary Part Number28-4-1
Item NameAdapter,straight,pipe to Hose
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerParker-Hannifin Corp Div Fluid System Connector Division
StatusACTIVE
Connection TypeUNTHREADED EXTERNAL HOSE SECOND END
Thread Series DesignatorNPT FIRST END
Nominal Thread Size0.062 INCHES FIRST END IN
Connection StylePLAIN (PIPE) FIRST END
MaterialCOPPER ALLOY OVERALL
Nominal Inside Diameter Hose Accommodated0.250 INCHES SECOND END IN
Nominal Overall Length1.062 INCHES IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Connection StyleBARBED OR BEADED (HOSE) SECOND END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3810-00-006-6258F23222 INTERCHANGEABLE
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Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
2825-00-388-11992841 INTERCHANGEABLE
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5950-00-518-3347575-6202-1444156REVEPC930 INTERCHANGEABLE
Transformer,power
Naval Ship Systems Command
5930-00-548-51501815D INTERCHANGEABLE
Switch,toggle
Bryant Electric
5935-01-052-9228284-1 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Cables on Demand Corp Div Cables on Demand
6510-01-107-75753360 INTERCHANGEABLE
Pad,cotton
Dynarex Corp
4810-01-255-327752B10859-9 INTERCHANGEABLE
Valve,linear,directional Control
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
4810-01-301-27332841 INTERCHANGEABLE
Valve Diverter
Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba
6515-01-497-6430 INTERCHANGEABLE
Shield,eye,surgical
6130-01-562-3407320-8328766 ITEM 58 INTERCHANGEABLE
Adapter,battery Charger
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Cross-Reference Index
Part NumberManufacturer
28-4-1 PRIMARY Parker-Hannifin Corp Div Fluid System Connector Division (USA)
1068X4X1 Danfoss Power Solutions II, Llc (USA)
1068X4X1 Dana Corp Weatherhead Div (USA)
Related Parts
3810-00-006-6258INTERCHANGEABLE
CYLINDER
F23222
2825-00-388-1199INTERCHANGEABLE
RING,SEAL OIL SHAFT
2841
5950-00-518-3347INTERCHANGEABLE
TRANSFORMER,POWER
575-6202-1444156REVEPC930
5930-00-548-5150INTERCHANGEABLE
SWITCH,TOGGLE
1815D
5935-01-052-9228INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
284-1
6510-01-107-7575INTERCHANGEABLE
PAD,COTTON
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VALVE,LINEAR,DIRECTIONAL CONTROL
52B10859-9
4810-01-301-2733INTERCHANGEABLE
VALVE DIVERTER
2841
6515-01-497-6430INTERCHANGEABLE
SHIELD,EYE,SURGICAL
6130-01-562-3407INTERCHANGEABLE
ADAPTER,BATTERY CHARGER
320-8328766 ITEM 58
6625-01-679-4711INTERCHANGEABLE
OHMMETER
2841

Frequently Asked Questions

What is NSN 4730-01-297-9071?

NSN 4730-01-297-9071 is a Adapter,straight,pipe to Hose, manufactured by Parker-Hannifin Corp Div Fluid System Connector Division, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-297-9071?

NSN 4730-01-297-9071 has 3 cross-referenced part numbers: 28-4-1 (Parker-Hannifin Corp Div Fluid System Connector Division), 1068X4X1 (Danfoss Power Solutions II, Llc), 1068X4X1 (Dana Corp Weatherhead Div).

What NSN replaces 4730-01-297-9071?

There are 11 known substitutes for 4730-01-297-9071: 3810-00-006-6258, 2825-00-388-1199, 5950-00-518-3347 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28-4-1?

Key specifications for 28-4-1: Connection Type: UNTHREADED EXTERNAL HOSE SECOND END; Thread Series Designator: NPT FIRST END; Nominal Thread Size: 0.062 INCHES FIRST END IN; Connection Style: PLAIN (PIPE) FIRST END. 10 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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