NSN 4730-01-138-7477 · NIIN 011387477 · Part number 29903-1
Hyspan Precision Products, Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 70510
Government record, cited
NSN 4730-01-138-7477 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-138-7477. Manufacturer of record part number: 29903-1.
Also searched as4730-01-138-7477 ·
4730011387477 ·
NIIN 011387477 ·
01-138-7477 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 70510 · 29903-1
4730-01-138-7477 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Expansion Joint,pipe — FSC 4730
Nominal Pipe Size Designation: 16.000 INCHES IN
Design Type: CORRUGATED ELEMENT
Equalization Characteristic: SELF-EQUALIZING
End Connection Type: WELDED
Working Pressure Rating: 2.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
1 manufacturer part number on file
Manufacturer of record: Hyspan Precision Products, Inc.
Identification
NSN: 4730-01-138-7477
NIIN: 011387477
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 29903-1
Manufacturer: Hyspan Precision Products, Inc.
General Description
The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-138-7477, 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 Hyspan Precision Products, Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Hyspan Precision Products, Inc. Dba Hyspan Precision Products Inc
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 4730-01-138-7477?
NSN 4730-01-138-7477 is a Expansion Joint,pipe, manufactured by Hyspan Precision Products, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What part numbers are listed for NSN 4730-01-138-7477?
NSN 4730-01-138-7477 has 1 manufacturer part number on file: 29903-1 (Hyspan Precision Products, Inc.).
What are the specifications of 29903-1?
Key specifications for 29903-1: Nominal Pipe Size Designation: 16.000 INCHES IN; Design Type: CORRUGATED ELEMENT; Equalization Characteristic: SELF-EQUALIZING; End Connection Type: WELDED. 5 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-138-7477 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.