PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

328531Restrictor,fluid Flow

The Slabe Machine Products Llc · NSN 4730-00-541-1415 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-541-1415 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-541-1415. Primary manufacturer part number: 328531.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Thread Series: UNF LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: TUBULAR
  • Thread Length: 0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
  • Thread Size Designator: NO. 12-28 LOCATION NOT OTHERWISE SPECIFIED
  • Length: 0.150 INCHES NOMINAL IN
  • Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
  • Outside Diameter: 0.216 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-541-1415, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is The Slabe Machine Products Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-541-1415
Primary Part Number328531
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Slabe Machine Products Llc
StatusACTIVE
Thread SeriesUNF LOCATION NOT OTHERWISE SPECIFIED
Design TypeTUBULAR
Thread Length0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN
Thread Size DesignatorNO. 12-28 LOCATION NOT OTHERWISE SPECIFIED
Length0.150 INCHES NOMINAL IN
Thread ProvisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
Outside Diameter0.216 INCHES NOMINAL IN
Thread Class3A LOCATION NOT OTHERWISE SPECIFIED A
Thread DirectionRIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED
Orifice Diameter0.055 INCHES NOMINAL IN
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3455-00-021-2409 INTERCHANGEABLE
File,rotary
Cross-Reference Index
Part NumberManufacturer
328531 PRIMARY The Slabe Machine Products Llc (USA)
328531 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3455-00-021-2409INTERCHANGEABLE
FILE,ROTARY

Frequently Asked Questions

What is NSN 4730-00-541-1415?

NSN 4730-00-541-1415 is a Restrictor,fluid Flow, manufactured by The Slabe Machine Products Llc, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-541-1415?

NSN 4730-00-541-1415 has 2 cross-referenced part numbers: 328531 (The Slabe Machine Products Llc), 328531 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 4730-00-541-1415?

There is 1 known substitute for 4730-00-541-1415: 3455-00-021-2409. Verify interchangeability with system specifications before substitution.

What are the specifications of 328531?

Key specifications for 328531: Thread Series: UNF LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Thread Length: 0.150 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN; Thread Size Designator: NO. 12-28 LOCATION NOT OTHERWISE SPECIFIED. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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