FSC 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings · FSG 47 — Pipe, Tubing, Hose, and Fittings
Government record, cited
Also searched as4730-01-435-6258 ·
4730014356258 ·
NIIN 014356258 ·
01-435-6258 ·
FSC 4730 Hose, Pipe, Tube, Lubrication, and Railing Fittings · 204-66034-43 · 204-66034
Nearby stock numbers← 4730-01-435-6211 Elbow, Tube to Boss
·
4730-01-435-6269 Restrictor, Fluid Flow →
4730-01-435-6258 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
Features
Restrictor,fluid Flow — FSC 4730
Length: 0.140 INCHES NOMINAL IN
Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design Type: PLATE
Outside Diameter: 3.040 INCHES NOMINAL IN
Material: ALUMINUM ALLOY
Orifice Diameter: 1.750 INCHES NOMINAL IN
Identification
NSN: 4730-01-435-6258
NIIN: 014356258
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 4730-01-435-6258, 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6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 12 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
4730-01-435-6269204-66034-60POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-436-4183204-66034-73POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-436-4185204-66034-61POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-444-9618204-66034-50POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-444-9630204-66034-51POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-444-9640204-66034-104POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-444-9645204-66034-106POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-444-9685204-66034-107POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-449-1363204-66034-115POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
4730-01-449-1367204-66034-114POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
Possible match (shared part number)The Boeing Company Div Defense
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
204-66034-43
3/2Design control — primary reference
U.S. Government activity
204-66034
D/9Drawing number reference only
U.S. Government activity
Related Parts
4730-01-435-6269POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-60
4730-01-436-4183POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-73
4730-01-436-4185POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-61
4730-01-444-9618POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-50
4730-01-444-9630POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-51
4730-01-444-9640POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
204-66034-104
4730-01-444-9645POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
204-66034-106
4730-01-444-9685POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
204-66034-107
4730-01-449-1363POSSIBLE MATCH
RESTRICTOR UNIT,FLUID FLOW
204-66034-115
4730-01-449-1367POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-114
4730-01-605-3763POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-152
4730-01-605-3769POSSIBLE MATCH
RESTRICTOR,FLUID FLOW
204-66034-134
Frequently Asked Questions
What is NSN 4730-01-435-6258?
NSN 4730-01-435-6258 is a Restrictor,fluid Flow, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
What NSN replaces 4730-01-435-6258?
12 possible matches (shared part number, not a government interchangeability claim): 4730-01-435-6269, 4730-01-436-4183, 4730-01-436-4185. Verify interchangeability with system specifications before substitution.
What are the specifications of 4730-01-435-6258?
Key specifications for 4730-01-435-6258: Length: 0.140 INCHES NOMINAL IN; Thread Provision: UNTHREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: PLATE; Outside Diameter: 3.040 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Is NSN 4730-01-435-6258 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.