PartsTable TECHNICAL DATA SHEET
NSN 4730-01-527-4352Government record, cited

Adapter, Straight, Tube to Boss4730-01-527-4352

NSN 4730-01-527-4352 · NIIN 015274352 · Part number R53-043
Johnstone Supply an Independently Owned and Operated Business · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 9Y734
Government record, cited
NSN 4730-01-527-4352 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-527-4352. Manufacturer of record part number: R53-043.
Also searched as  4730-01-527-4352 · 4730015274352 · NIIN 015274352 · 01-527-4352 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 9Y734 · R53-043
Nearby stock numbers  ·
Features
  • Adapter,straight,tube to Boss — FSC 4730
  • Furnished Items and Quantity: 1 GASKET
  • Connection Style: PLAIN (TUBE) SECOND END
  • Connection Style: FLARED (TUBE) FIRST END
  • Connection Type: THREADED EXTERNAL TUBE FIRST END
  • Connection Type: THREADED INTERNAL BOSS SECOND END
  • Nominal Outside Diameter Tube Accommodated: 0.375 INCHES FIRST END IN
  • Seat Angle: 37.0 DEGREES FIRST END
Identification
  • NSN: 4730-01-527-4352
  • NIIN: 015274352
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: R53-043
  • Manufacturer: Johnstone Supply an Independently Owned and Operated Business
General Description

The Adapter,straight,tube to Boss, cataloged under National Stock Number 4730-01-527-4352, 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 Johnstone Supply an Independently Owned and Operated Business. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-527-4352
Primary Part NumberR53-043
Item NameAdapter,straight,tube to Boss
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerJohnstone Supply an Independently Owned and Operated Business
StatusACTIVE
Furnished Items and Quantity1 GASKET
Connection StylePLAIN (TUBE) SECOND END
Connection StyleFLARED (TUBE) FIRST END
Connection TypeTHREADED EXTERNAL TUBE FIRST END
Connection TypeTHREADED INTERNAL BOSS SECOND END
Nominal Outside Diameter Tube Accommodated0.375 INCHES FIRST END IN
Seat Angle37.0 DEGREES FIRST END
MaterialCOPPER ALLOY OVERALL
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
R53-043 PRIMARY Johnstone Supply an Independently Owned and Operated Business (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 4730-01-527-4352?

NSN 4730-01-527-4352 is a Adapter,straight,tube to Boss, manufactured by Johnstone Supply an Independently Owned and Operated Business, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-527-4352?

NSN 4730-01-527-4352 has 1 manufacturer part number on file: R53-043 (Johnstone Supply an Independently Owned and Operated Business).

What are the specifications of R53-043?

Key specifications for R53-043: Furnished Items and Quantity: 1 GASKET; Connection Style: PLAIN (TUBE) SECOND END; Connection Style: FLARED (TUBE) FIRST END; Connection Type: THREADED EXTERNAL TUBE FIRST END. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-527-4352 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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