PartsTable TECHNICAL DATA SHEET
NSN 4730-01-598-3427Government record, cited

Retainer, Coupling4730-01-598-3427

NSN 4730-01-598-3427 · NIIN 015983427 · Part number 2528251
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 10001
Government record, cited
NSN 4730-01-598-3427 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-598-3427. Manufacturer of record part number: 2528251.
Also searched as  4730-01-598-3427 · 4730015983427 · NIIN 015983427 · 01-598-3427 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 10001 · 2528251
Nearby stock numbers  ·
Features
  • Retainer,coupling — FSC 4730
  • Thickness: 0.312 INCHES IN
  • Outside Diameter: 2.000 INCHES NOMINAL IN
  • Inside Diameter: 0.3418 INCHES MINIMUM AND 0.3518 INCHES MAXIMUM IN
  • Material: STEEL
  • 1 manufacturer part number on file
  • Manufacturer of record: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Identification
  • NSN: 4730-01-598-3427
  • NIIN: 015983427
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 2528251
  • Manufacturer: Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
General Description

The Retainer,coupling, cataloged under National Stock Number 4730-01-598-3427, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 4 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
NSN4730-01-598-3427
Primary Part Number2528251
Item NameRetainer,coupling
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Thickness0.312 INCHES IN
Outside Diameter2.000 INCHES NOMINAL IN
Inside Diameter0.3418 INCHES MINIMUM AND 0.3518 INCHES MAXIMUM IN
MaterialSTEEL
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
2528251 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (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 4730-01-598-3427?

NSN 4730-01-598-3427 is a Retainer,coupling, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-598-3427?

NSN 4730-01-598-3427 has 1 manufacturer part number on file: 2528251 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).

What are the specifications of 2528251?

Key specifications for 2528251: Thickness: 0.312 INCHES IN; Outside Diameter: 2.000 INCHES NOMINAL IN; Inside Diameter: 0.3418 INCHES MINIMUM AND 0.3518 INCHES MAXIMUM IN; Special Features: MATERIAL:STEEL 1020, SUB:0D 8853 TYPE A, GRADE II, ALT:QQ-S-634, C1020; NEXT ASSEMBLY:2527215 AND 2862408; USED ON:LM 2527215 AND LM 2862408. 4 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-598-3427 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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