PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

500621Reducer,tube

Mirion Technologies (canberra), Inc. · NSN 4730-01-060-9647 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-060-9647 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-060-9647. Primary manufacturer part number: 500621.
Features
  • Reducer,tube — FSC 4730
  • Thread Series Designator: UNF FIRST END
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Connection Style: PLAIN (TUBE) SECOND END
  • Nominal Thread Size: 0.875 INCHES FIRST END IN
  • Surface Treatment: CADMIUM OVERALL
  • Nominal Outside Diameter Tube Accommodated: 0.625 INCHES FIRST END IN
  • Connection Type: UNTHREADED INTERNAL TUBE SECOND END
Applications
  • Fluid conveyance
  • Hydraulic system plumbing
  • Pneumatic line routing
  • Applications requiring Steel Overall construction
General Description

The Reducer,tube, cataloged under National Stock Number 4730-01-060-9647, 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 Mirion Technologies (canberra), Inc.. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-01-060-9647
Primary Part Number500621
Item NameReducer,tube
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerMirion Technologies (canberra), Inc.
StatusACTIVE
Thread Series DesignatorUNF FIRST END
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Connection StylePLAIN (TUBE) SECOND END
Nominal Thread Size0.875 INCHES FIRST END IN
Surface TreatmentCADMIUM OVERALL
Nominal Outside Diameter Tube Accommodated0.625 INCHES FIRST END IN
Connection TypeUNTHREADED INTERNAL TUBE SECOND END
MaterialSTEEL OVERALL
Reducer TypeCONCENTRIC
Thread Class2B FIRST END
Seat Angle37.0 DEGREES FIRST END
Nominal Overall Length1.500 INCHES IN
Connection TypeTHREADED INTERNAL TUBE FIRST END
Connection StyleFLARED (TUBE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-550-3715MS35333-70 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5935-01-148-0989153704-09 INTERCHANGEABLE
Connector Body,plug,electrical
Ge Aviation Systems Llc
5133-01-443-630458121 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
4220-01-484-1683B50062-1 INTERCHANGEABLE
Hold-Down Board
Mission Systems Orchard Park Inc
5315-01-522-3102500621 INTERCHANGEABLE
Pin,spring
Huck International, Inc. Div Kingston Operations
Cross-Reference Index
Part NumberManufacturer
B500621 Mirion Technologies (canberra), Inc. (USA)
A500614 Mirion Technologies (canberra), Inc. (USA)
500621 PRIMARY Mirion Technologies (canberra), Inc. (USA)
Related Parts
5310-00-550-3715INTERCHANGEABLE
WASHER,LOCK
MS35333-70
5935-01-148-0989INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL
153704-09
5133-01-443-6304INTERCHANGEABLE
DRILL,TWIST
58121
4220-01-484-1683INTERCHANGEABLE
HOLD-DOWN BOARD
B50062-1
5315-01-522-3102INTERCHANGEABLE
PIN,SPRING
500621

Frequently Asked Questions

What is NSN 4730-01-060-9647?

NSN 4730-01-060-9647 is a Reducer,tube, manufactured by Mirion Technologies (canberra), Inc., classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-060-9647?

NSN 4730-01-060-9647 has 3 cross-referenced part numbers: B500621 (Mirion Technologies (canberra), Inc.), A500614 (Mirion Technologies (canberra), Inc.), 500621 (Mirion Technologies (canberra), Inc.).

What NSN replaces 4730-01-060-9647?

There are 5 known substitutes for 4730-01-060-9647: 5310-00-550-3715, 5935-01-148-0989, 5133-01-443-6304 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 500621?

Key specifications for 500621: Thread Series Designator: UNF FIRST END; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: PLAIN (TUBE) SECOND END; Nominal Thread Size: 0.875 INCHES FIRST END IN. 15 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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