PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21317-1018-18Restrictor,fluid Flow

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4730-01-419-7087 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-419-7087 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-419-7087. Primary manufacturer part number: 21317-1018-18.
Features
  • Restrictor,fluid Flow — FSC 4730
  • Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED
  • Design Type: TUBULAR
  • Material: STEEL CORROSION RESISTING
  • 8 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Restrictor,fluid Flow, cataloged under National Stock Number 4730-01-419-7087, 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 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4730-01-419-7087
Primary Part Number21317-1018-18
Item NameRestrictor,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusCANCELLED
Thread ProvisionTHREADED LOCATION NOT OTHERWISE SPECIFIED
Design TypeTUBULAR
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-142221309 INTERCHANGEABLE
Bearing,roller,self-Aligning
Naval Ship Systems Command
5940-00-164-425021-140CA INTERCHANGEABLE
Terminal Board
Cinch Connectivity Solutions Inc.
5315-00-248-9385PM-21140 INTERCHANGEABLE
Pin,straight,headless
Mason Electric Co. Dba Mason Controls
6685-00-249-7662151-6 INTERCHANGEABLE
Control,temperature,indicating
Emerson Electric Co White Rodgers Co Div
9540-00-261-5637 INTERCHANGEABLE
Angle,structural
2920-00-474-9843A326167 INTERCHANGEABLE
Flyweight
U S Army Tank Automotive Command Amsta-Im-Mm
9540-00-540-5937 INTERCHANGEABLE
Angle,structural
5930-00-548-8471149455QHC INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch
5977-00-636-1379 INTERCHANGEABLE
Brush,electrical Contact
9540-00-720-1324 INTERCHANGEABLE
Angle,structural
Cross-Reference Index
Part NumberManufacturer
21140-25 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21140 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21140 FIND 25 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21309 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21309 FN 51 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21309-51 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21317-1018-18 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21317-1018-26 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
3110-00-156-1422INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
21309
5940-00-164-4250INTERCHANGEABLE
TERMINAL BOARD
21-140CA
5315-00-248-9385INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
PM-21140
6685-00-249-7662INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
151-6
9540-00-261-5637INTERCHANGEABLE
ANGLE,STRUCTURAL
2920-00-474-9843INTERCHANGEABLE
FLYWEIGHT
A326167
9540-00-540-5937INTERCHANGEABLE
ANGLE,STRUCTURAL
5930-00-548-8471INTERCHANGEABLE
SWITCH,ROTARY
149455QHC
5977-00-636-1379INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
9540-00-720-1324INTERCHANGEABLE
ANGLE,STRUCTURAL
5331-00-762-7483INTERCHANGEABLE
O-RING
S2603-19T
5905-00-930-7187INTERCHANGEABLE
RESISTOR,THERMAL
0839-0022

Frequently Asked Questions

What is NSN 4730-01-419-7087?

NSN 4730-01-419-7087 is a Restrictor,fluid Flow, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4730 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4730-01-419-7087?

NSN 4730-01-419-7087 has 8 cross-referenced part numbers: 21140-25 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21140 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21140 FIND 25 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21309 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21309 FN 51 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace) and 3 more.

What NSN replaces 4730-01-419-7087?

There are 12 known substitutes for 4730-01-419-7087: 3110-00-156-1422, 5940-00-164-4250, 5315-00-248-9385 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21317-1018-18?

Key specifications for 21317-1018-18: End Item Identification: SEAWOLF CLASS SSN; Thread Provision: THREADED LOCATION NOT OTHERWISE SPECIFIED; Design Type: TUBULAR; Material: STEEL CORROSION RESISTING. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4730-01-419-7087 still in active supply?

NSN 4730-01-419-7087 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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