PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

53535Disk,grooved

Spirax Sarco Inc Dba Spirax Sarco · NSN 4730-00-019-0645 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-019-0645 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-019-0645. Primary manufacturer part number: 53535.
Features
  • Disk,grooved — FSC 4730
  • General Characteristics Item Description: STEEL; 1.315 IN. OD; 0.095 IN. THK; ONE FACE HAS CIRCULAR GROOVE; 0.070 IN. GROOVE WIDTH BY 0.025 IN. DEPTH; 0.887 IN. GROOVE OD IN
  • 1 verified cross-reference
  • Primary manufacturer: Spirax Sarco Inc Dba Spirax Sarco
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Disk,grooved, cataloged under National Stock Number 4730-00-019-0645, 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 Spirax Sarco Inc Dba Spirax Sarco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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
NSN4730-00-019-0645
Primary Part Number53535
Item NameDisk,grooved
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerSpirax Sarco Inc Dba Spirax Sarco
StatusACTIVE
General Characteristics Item DescriptionSTEEL; 1.315 IN. OD; 0.095 IN. THK; ONE FACE HAS CIRCULAR GROOVE; 0.070 IN. GROOVE WIDTH BY 0.025 IN. DEPTH; 0.887 IN. GROOVE OD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-019-80195353-5 INTERCHANGEABLE
Nut,plain,hexagon
Goodrich Aerospace Canada Ltd
3455-00-239-548154-10071 INTERCHANGEABLE
Cutter,milling,involute Gear
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
5133-00-596-0544 INTERCHANGEABLE
Drill,twist
5330-00-606-8634 INTERCHANGEABLE
Seal Assembly,n
5120-01-649-482853535 INTERCHANGEABLE
Extractor Set,screw
Irwin Industrial Tool Company
Cross-Reference Index
Part NumberManufacturer
53535 PRIMARY Spirax Sarco Inc Dba Spirax Sarco (USA)
Related Parts
5310-00-019-8019INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5353-5
3455-00-239-5481INTERCHANGEABLE
CUTTER,MILLING,INVOLUTE GEAR
54-10071
5133-00-596-0544INTERCHANGEABLE
DRILL,TWIST
5330-00-606-8634INTERCHANGEABLE
SEAL ASSEMBLY,N
5120-01-649-4828INTERCHANGEABLE
EXTRACTOR SET,SCREW
53535

Frequently Asked Questions

What is NSN 4730-00-019-0645?

NSN 4730-00-019-0645 is a Disk,grooved, manufactured by Spirax Sarco Inc Dba Spirax Sarco, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-019-0645?

NSN 4730-00-019-0645 has 1 cross-referenced part number: 53535 (Spirax Sarco Inc Dba Spirax Sarco).

What NSN replaces 4730-00-019-0645?

There are 5 known substitutes for 4730-00-019-0645: 5310-00-019-8019, 3455-00-239-5481, 5133-00-596-0544 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 53535?

Key specifications for 53535: General Characteristics Item Description: STEEL; 1.315 IN. OD; 0.095 IN. THK; ONE FACE HAS CIRCULAR GROOVE; 0.070 IN. GROOVE WIDTH BY 0.025 IN. DEPTH; 0.887 IN. GROOVE OD IN. 1 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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