PartsTable TECHNICAL DATA SHEET
NSN 4730-01-424-5428Government record, cited

Union, Pipe4730-01-424-5428

NSN 4730-01-424-5428 · NIIN 014245428 · Part number 1602AS211-57
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 30003
Government record, cited
NSN 4730-01-424-5428 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-424-5428. Manufacturer of record part number: 1602AS211-57.
Also searched as  4730-01-424-5428 · 4730014245428 · NIIN 014245428 · 01-424-5428 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 30003 · 1602AS211-57 · 1602AS211
Nearby stock numbers  ·
Features
  • Union,pipe — FSC 4730
  • Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN
  • Connection Style: INVERTED FLARE (TUBE) ALL ENDS
  • Connection Type: THREADED INTERNAL PIPE ALL ENDS
  • Style Designator: THREADED
  • Material Document and Classification: A182-84,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Size: 0.750 INCHES ALL ENDS IN
  • Material: STEEL COMP 304 OVERALL
Identification
  • NSN: 4730-01-424-5428
  • NIIN: 014245428
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 1602AS211-57
  • Manufacturer: Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
General Description

The Union,pipe, cataloged under National Stock Number 4730-01-424-5428, 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 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 8 items share a part number with this NSN in the catalog (possible match — not a government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.

Technical Specifications
ParameterValue
NSN4730-01-424-5428
Primary Part Number1602AS211-57
Item NameUnion,pipe
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerNaval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
StatusACTIVE
Nominal Pipe Size Accommodated0.750 INCHES ALL ENDS IN
Connection StyleINVERTED FLARE (TUBE) ALL ENDS
Connection TypeTHREADED INTERNAL PIPE ALL ENDS
Style DesignatorTHREADED
Material Document and ClassificationA182-84,TYPE 304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Size0.750 INCHES ALL ENDS IN
MaterialSTEEL COMP 304 OVERALL
Thread Series DesignatorNPT ALL ENDS
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.
4730-01-424-54291602AS211-50 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4730-01-424-54301602AS211-56 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4730-01-424-9055 POSSIBLE MATCH
NIPPLE,PIPE
Possible match (shared part number)
4730-01-424-9056 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)
4730-01-424-9057 POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)
4730-01-424-9060 POSSIBLE MATCH
UNION,PIPE
Possible match (shared part number)
4730-01-425-0359 POSSIBLE MATCH
COUPLING,PIPE
Possible match (shared part number)
4710-01-425-0399 POSSIBLE MATCH
PIPE,METALLIC
Possible match (shared part number)
Cross-Reference Index
Part NumberManufacturer
1602AS211-57 PRIMARY Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Reference documents
ReferenceMeaning
1602AS211 D/9 Drawing number reference only
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
Related Parts
4730-01-424-5429POSSIBLE MATCH
UNION,PIPE
1602AS211-50
4730-01-424-5430POSSIBLE MATCH
UNION,PIPE
1602AS211-56
4730-01-424-9055POSSIBLE MATCH
NIPPLE,PIPE
4730-01-424-9056POSSIBLE MATCH
UNION,PIPE
4730-01-424-9057POSSIBLE MATCH
COUPLING,PIPE
4730-01-424-9060POSSIBLE MATCH
UNION,PIPE
4730-01-425-0359POSSIBLE MATCH
COUPLING,PIPE
4710-01-425-0399POSSIBLE MATCH
PIPE,METALLIC

Frequently Asked Questions

What is NSN 4730-01-424-5428?

NSN 4730-01-424-5428 is a Union,pipe, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-424-5428?

NSN 4730-01-424-5428 has 1 manufacturer part number on file: 1602AS211-57 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 4730-01-424-5428?

8 possible matches (shared part number, not a government interchangeability claim): 4730-01-424-5429, 4730-01-424-5430, 4730-01-424-9055. Verify interchangeability with system specifications before substitution.

What are the specifications of 1602AS211-57?

Key specifications for 1602AS211-57: Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Connection Style: INVERTED FLARE (TUBE) ALL ENDS; Connection Type: THREADED INTERNAL PIPE ALL ENDS; Style Designator: THREADED. 8 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-424-5428 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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