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NSN 4730-01-322-0108Government record, cited
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Restrictor, Fluid Flow4730-01-322-0108

NSN 4730-01-322-0108 · NIIN 013220108
FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as  4730-01-322-0108 · 4730013220108 · NIIN 013220108 · 01-322-0108 · FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 845-4864184 · 845-4864184 PIECE 16 · 2621-561-03 PIECE 16
Nearby stock numbers  ·
L 0.188 INCHES NOMINAL IN ⌀0.375 INCHES NOMINAL IN UNTHREADED LOCATION NOT OTHERWISE SPECIFIED HOSE FITTING
4730-01-322-0108 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
  • Restrictor,fluid Flow — FSC 4730
  • Length: 0.188 INCHES NOMINAL IN
  • Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: PLATE
  • Outside Diameter: 5.062 INCHES NOMINAL IN
  • Material: NICKEL ALLOY
  • Orifice Diameter: 0.375 INCHES NOMINAL IN
Identification
  • NSN: 4730-01-322-0108
  • NIIN: 013220108
  • 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 4730-01-322-0108, 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 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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
NSN4730-01-322-0108
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
StatusACTIVE
Length0.188 INCHES NOMINAL IN
Thread ProvisionUNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypePLATE
Outside Diameter5.062 INCHES NOMINAL IN
MaterialNICKEL ALLOY
Orifice Diameter0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
⇄ Related Items 10
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-343-34514864184 PIECE 59 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Naval Ship Systems Command
4730-01-343-34522621-561-03 PIECE 60 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-377-74952621-561-03 PIECE 68 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Electric Boat Corporation Div General Dynamics Electric Boat
4730-01-377-7592845-4864184 PIECE 67 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Naval Ship Systems Command
4730-01-468-3381845-4864184 ITEM 131 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Naval Ship Systems Command
4730-01-468-3383845-4864184 ITEM 134 POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)Naval Ship Systems Command
5365-01-477-6407845-4864184 ITEM 132 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Ship Systems Command
5365-01-477-6622845-4864184 ITEM 137 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Ship Systems Command
5365-01-477-7629845-4864184 ITEM 135 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Naval Ship Systems Command
5365-01-477-7654014777654-02080 POSSIBLE MATCH
SPACER,SLEEVE
Possible match (shared part number)Dla Aviation Engineering Div Department of Defense
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
ReferenceMeaning
845-4864184 D/9 Drawing number reference only
U.S. Government activity
845-4864184 PIECE 16 5/2 Secondary reference
U.S. Government activity
2621-561-03 PIECE 16 3/2 Design control — primary reference
U.S. Government activity
Related Parts
4730-01-343-3451POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
4864184 PIECE 59
4730-01-343-3452POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2621-561-03 PIECE 60
4730-01-377-7495POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
2621-561-03 PIECE 68
4730-01-377-7592POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
845-4864184 PIECE 67
4730-01-468-3381POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
845-4864184 ITEM 131
4730-01-468-3383POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
845-4864184 ITEM 134
5365-01-477-6407POSSIBLE MATCH
SPACER,SLEEVE
845-4864184 ITEM 132
5365-01-477-6622POSSIBLE MATCH
SPACER,SLEEVE
845-4864184 ITEM 137
5365-01-477-7629POSSIBLE MATCH
SPACER,SLEEVE
845-4864184 ITEM 135
5365-01-477-7654POSSIBLE MATCH
SPACER,SLEEVE
014777654-02080

Frequently Asked Questions

What is NSN 4730-01-322-0108?

NSN 4730-01-322-0108 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.

What NSN replaces 4730-01-322-0108?

10 possible matches (shared part number, not a government interchangeability claim): 4730-01-343-3451, 4730-01-343-3452, 4730-01-377-7495. Verify interchangeability with system specifications before substitution.

What are the specifications of 4730-01-322-0108?

Key specifications for 4730-01-322-0108: Length: 0.188 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Outside Diameter: 5.062 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 4730-01-322-0108 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.

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✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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