Restrictor, Pitot St4730-00-173-3274

NSN 4730-00-173-3274 · NIIN 001733274 · Part number SS49PA837-4D31Y

Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 78286

Government record, cited

NSN 4730-00-173-3274 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-173-3274. Manufacturer of record part number: SS49PA837-4D31Y.

Also searched as 4730-00-173-3274 · 4730001733274 · NIIN 001733274 · 00-173-3274 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 78286 · SS49PA837-4D31Y · SS49PA837D4-31Y · SS49PA837D4-31Y

Nearby stock numbers ← 4730-00-173-3273 Restrictor, Pitot St · 4730-00-173-3452 →

4730-00-173-3274 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Restrictor,pitot St — FSC 4730
3 manufacturer part numbers on file
Manufacturer of record: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

Identification

NSN: 4730-00-173-3274
NIIN: 001733274
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings
Primary part number: SS49PA837-4D31Y
Manufacturer: Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp

General Description

The Restrictor,pitot St, cataloged under National Stock Number 4730-00-173-3274, 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 Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Restrictor,pitot St
FSC / FSG	4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings (FSG 47)
Manufacturers	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (CAGE 78286); Airbus Deutschland Gmbh -Werk Bremen- (CAGE D1081)

Technical Specifications

Parameter	Value
NSN	4730-00-173-3274
Primary Part Number	SS49PA837-4D31Y
Item Name	Restrictor,pitot St
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Manufacturer	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
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
SS49PA837D4-31Y	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
SS49PA837-4D31Y PRIMARY	Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp (USA)
SS49PA837D4-31Y	Airbus Deutschland Gmbh -Werk Bremen- (DEU)

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 4730-00-173-3274?

NSN 4730-00-173-3274 is a Restrictor,pitot St, manufactured by Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-00-173-3274?

NSN 4730-00-173-3274 has 3 manufacturer part numbers on file: SS49PA837D4-31Y (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS49PA837-4D31Y (Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp), SS49PA837D4-31Y (Airbus Deutschland Gmbh -Werk Bremen-).

Is NSN 4730-00-173-3274 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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