PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

531-6985695-F24Restrictor Unit,fluid Flow

Naval Sea Systems Command · NSN 4730-01-501-3207 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-501-3207 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-501-3207. Primary manufacturer part number: 531-6985695-F24.
Features
  • Restrictor Unit,fluid Flow — FSC 4730
  • Orifice Diameter: 0.0595 INCHES NOMINAL IN
  • Design Type: STRAIGHT
  • End Connection Similarity: IDENTICAL
  • End Connection Type: ANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED
  • Material: NICKEL ALLOY BODY
  • Valve Size: 0.250 INCHES IN
  • 4 verified cross-references
Applications
  • Applications requiring Nickel Alloy Body construction
General Description

The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-01-501-3207, 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 Naval Sea Systems Command. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-501-3207
Primary Part Number531-6985695-F24
Item NameRestrictor Unit,fluid Flow
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Orifice Diameter0.0595 INCHES NOMINAL IN
Design TypeSTRAIGHT
End Connection SimilarityIDENTICAL
End Connection TypeANY ACCEPTABLE LOCATION NOT OTHERWISE SPECIFIED
MaterialNICKEL ALLOY BODY
Valve Size0.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4730-00-906-1777375-190093-20 INTERCHANGEABLE
Elbow,hose
Hydrasearch Company, Llc
4730-01-501-3168531-6985695-F23 INTERCHANGEABLE
Restrictor Unit,fluid Flow
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
6985695 Naval Sea Systems Command (USA)
H655-1503-F24 Naval Sea Systems Command (USA)
2621-561-02 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
531-6985695-F24 PRIMARY Naval Sea Systems Command (USA)
Related Parts
4730-00-906-1777INTERCHANGEABLE
ELBOW,HOSE
375-190093-20
4730-01-501-3168INTERCHANGEABLE
RESTRICTOR UNIT,FLUID FLOW
531-6985695-F23

Frequently Asked Questions

What is NSN 4730-01-501-3207?

NSN 4730-01-501-3207 is a Restrictor Unit,fluid Flow, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-501-3207?

NSN 4730-01-501-3207 has 4 cross-referenced part numbers: 6985695 (Naval Sea Systems Command), H655-1503-F24 (Naval Sea Systems Command), 2621-561-02 (Electric Boat Corporation Div General Dynamics Electric Boat), 531-6985695-F24 (Naval Sea Systems Command).

What NSN replaces 4730-01-501-3207?

There are 2 known substitutes for 4730-01-501-3207: 4730-00-906-1777, 4730-01-501-3168. Verify interchangeability with system specifications before substitution.

What are the specifications of 531-6985695-F24?

Key specifications for 531-6985695-F24: End Item Identification: R.O. UNIT ST, WSD: LOS ANGELES CLASS SSN (688); Orifice Diameter: 0.0595 INCHES NOMINAL IN; Design Type: STRAIGHT; End Connection Similarity: IDENTICAL. 9 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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