Locknut, Pipe4730-01-311-4173

NSN 4730-01-311-4173 · NIIN 013114173 · Part number 163522-A

L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 30086

Government record, cited

NSN 4730-01-311-4173 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-311-4173. Manufacturer of record part number: 163522-A.

Also searched as 4730-01-311-4173 · 4730013114173 · NIIN 013114173 · 01-311-4173 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 30086 · 163522-A

Nearby stock numbers ← 4730-01-311-4163 Reducer, Tube · 4730-01-311-4174 →

4730-01-311-4173 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Locknut,pipe — FSC 4730
1 manufacturer part number on file
Manufacturer of record: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.

Identification

NSN: 4730-01-311-4173
NIIN: 013114173
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 163522-A
Manufacturer: L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.

General Description

The Locknut,pipe, cataloged under National Stock Number 4730-01-311-4173, 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 L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Locknut,pipe
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (CAGE 30086)

Technical Specifications

Parameter	Value
NSN	4730-01-311-4173
Primary Part Number	163522-A
Item Name	Locknut,pipe
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
163522-A PRIMARY	L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA)

Frequently Asked Questions

What is NSN 4730-01-311-4173?

NSN 4730-01-311-4173 is a Locknut,pipe, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-311-4173?

NSN 4730-01-311-4173 has 1 manufacturer part number on file: 163522-A (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).

Is NSN 4730-01-311-4173 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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