PartsTable TECHNICAL DATA SHEET

NSN 4730-01-417-2820Government record, cited

Restrictor, Fluid Flow4730-01-417-2820

NSN 4730-01-417-2820 · NIIN 014172820

FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings

Government record, cited

Also searched as 4730-01-417-2820 · 4730014172820 · NIIN 014172820 · 01-417-2820 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 21333-49 · 21333 · JEDA1875800L

Nearby stock numbers ← 4730-01-417-2819 Tailpiece, Union · 4730-01-417-2823 Ferrule, Compression, Tube Fitting →

4730-01-417-2820 — Hose, Pipe, Tube, Lubrication, and Railing Fittings

Features

Restrictor,fluid Flow — FSC 4730
Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
Design Type: TUBULAR
Material: STEEL CORROSION RESISTING

Identification

NSN: 4730-01-417-2820
NIIN: 014172820
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
FSG: 47 — Pipe, Tubing, Hose, and Fittings

General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-417-2820, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4730-01-417-2820
Item Name	Restrictor,fluid Flow
FSC / FSG	4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Status	ACTIVE
Thread Provision	THREADED LOCATION NOT OTHERWISE SPECIFIED
Design Type	TUBULAR
Material	STEEL CORROSION RESISTING

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

⇄ Related Items 5

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

4820-01-419-057421333-850-1 POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-419-160421333-002 POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-419-160821333-001 POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

4820-01-419-1669 POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

Possible match (shared part number)

4820-01-419-167121333-851-1 POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

Possible match (shared part number)Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
21333-49	5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
21333	D/9 Drawing number reference only Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
JEDA1875800L	3/2 Design control — primary reference U.S. Government activity

Related Parts

4820-01-419-0574POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

21333-850-1

4820-01-419-1604POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

21333-002

4820-01-419-1608POSSIBLE MATCH

VALVE,LINEAR,DIRECTIONAL CONTROL

21333-001

4820-01-419-1669POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

4820-01-419-1671POSSIBLE MATCH

SLEEVE AND SLIDE,DIRECTIONAL CON

21333-851-1

Frequently Asked Questions

What is NSN 4730-01-417-2820?

NSN 4730-01-417-2820 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-417-2820?

5 possible matches (shared part number, not a government interchangeability claim): 4820-01-419-0574, 4820-01-419-1604, 4820-01-419-1608. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-417-2820?

Key specifications for 4730-01-417-2820: Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; End Item Identification: SEAWOLF CLASS SSN; Material: STEEL CORROSION RESISTING. 3 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-417-2820 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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