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NSN 4730-01-229-5511Government record, cited

Restrictor, Fluid Flow4730-01-229-5511

NSN 4730-01-229-5511 · NIIN 012295511 · Part number 20643
Real-Time Laboratories, Llc · FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings · CAGE 62319
Government record, cited
NSN 4730-01-229-5511 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-229-5511. Manufacturer of record part number: 20643.
Also searched as  4730-01-229-5511 · 4730012295511 · NIIN 012295511 · 01-229-5511 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · CAGE 62319 · 20643
Nearby stock numbers  ·
Features
  • Restrictor,fluid Flow — FSC 4730
  • 1 manufacturer part number on file
  • Manufacturer of record: Real-Time Laboratories, Llc
Identification
  • NSN: 4730-01-229-5511
  • NIIN: 012295511
  • FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
  • FSG: 47 — Pipe, Tubing, Hose, and Fittings
  • Primary part number: 20643
  • Manufacturer: Real-Time Laboratories, Llc
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-229-5511, 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 Real-Time Laboratories, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-229-5511
Primary Part Number20643
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
ManufacturerReal-Time Laboratories, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5975-01-368-1116206-43 POSSIBLE MATCH
CONDUIT ASSEMBLY,METAL,FLEXIBLE
Possible match (shared part number)Dcx-Chol Enterprises, Inc.
3120-01-433-955220643 POSSIBLE MATCH
BEARING,PLAIN,SELF-ALIGNING
Possible match (shared part number)Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
20643 PRIMARY Real-Time Laboratories, Llc (USA)
Related Parts
5975-01-368-1116POSSIBLE MATCH
CONDUIT ASSEMBLY,METAL,FLEXIBLE
206-43
3120-01-433-9552POSSIBLE MATCH
BEARING,PLAIN,SELF-ALIGNING
20643

Frequently Asked Questions

What is NSN 4730-01-229-5511?

NSN 4730-01-229-5511 is a Restrictor,fluid Flow, manufactured by Real-Time Laboratories, Llc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What part numbers are listed for NSN 4730-01-229-5511?

NSN 4730-01-229-5511 has 1 manufacturer part number on file: 20643 (Real-Time Laboratories, Llc).

What NSN replaces 4730-01-229-5511?

2 possible matches (shared part number, not a government interchangeability claim): 5975-01-368-1116, 3120-01-433-9552. Verify interchangeability with system specifications before substitution.

What are the specifications of 20643?

Key specifications for 20643: End Item Identification: M1 TANK. 0 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-229-5511 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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