PartsTable TECHNICAL DATA SHEET

NSN 4730-00-879-9993Government record, cited

Inverted Nut, Tube Coupling4730-00-879-9993

NSN 4730-00-879-9993 · NIIN 008799993 · Part number 517674

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 77445

Government record, cited

NSN 4730-00-879-9993 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-879-9993. Manufacturer of record part number: 517674.

Also searched as 4730-00-879-9993 · 4730008799993 · NIIN 008799993 · 00-879-9993 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 77445 · 517674

Nearby stock numbers ← 4730-00-879-9992 · 4730-00-879-9997 →

4730-00-879-9993 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Inverted Nut,tube Coupling — FSC 4730
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney

Identification

NSN: 4730-00-879-9993
NIIN: 008799993
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: 517674
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney

General Description

The Inverted Nut,tube Coupling, cataloged under National Stock Number 4730-00-879-9993, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.

Catalog Facts

Item Name	Inverted Nut,tube Coupling
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (CAGE 77445)

Technical Specifications

Parameter	Value
NSN	4730-00-879-9993
Primary Part Number	517674
Item Name	Inverted Nut,tube Coupling
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Status	ACTIVE

Lifecycle & Compliance

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

Cross-Reference Index

Part Number	Manufacturer
517674 PRIMARY	Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)

Reference documents

Reference	Meaning
517674	5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp

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 4730-00-879-9993?

NSN 4730-00-879-9993 is a Inverted Nut,tube Coupling, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-879-9993?

NSN 4730-00-879-9993 has 1 manufacturer part number on file: 517674 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

Is NSN 4730-00-879-9993 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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