PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00-0531Spacer,ring

Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company · NSN 5365-01-178-2031 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-178-2031 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-178-2031. Primary manufacturer part number: 00-0531.
Features
  • Spacer,ring — FSC 5365
  • 3 verified cross-references
  • Primary manufacturer: Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-178-2031, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSpacer,ring
FSC / FSG5365 — No Item Name Available (FSG 53)
ManufacturersPrototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company (CAGE 3A7L4); Randolph Austin Co (CAGE 9R846); Randolph Co (CAGE 22202)
Technical Specifications
ParameterValue
NSN5365-01-178-2031
Primary Part Number00-0531
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerPrototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-068-7201 INTERCHANGEABLE
Belt,v
2930-01-369-31568866303 INTERCHANGEABLE
Blower,engine Cooling System
Jlg Industries, Inc.
6515-01-478-7739SC083510 INTERCHANGEABLE
Catheter,neonatal Pediatriac
Repro-Med Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
00-0531 Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company (USA)
00-0531 Randolph Austin Co (USA)
R6-0.005 Randolph Co (USA)
Related Parts
3030-00-068-7201INTERCHANGEABLE
BELT,V
2930-01-369-3156INTERCHANGEABLE
BLOWER,ENGINE COOLING SYSTEM
8866303
6515-01-478-7739INTERCHANGEABLE
CATHETER,NEONATAL PEDIATRIAC
SC083510

Frequently Asked Questions

What is NSN 5365-01-178-2031?

NSN 5365-01-178-2031 is a Spacer,ring, manufactured by Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-178-2031?

NSN 5365-01-178-2031 has 3 cross-referenced part numbers: 00-0531 (Prototype Machine Company Dba Randolph Austin Company Div Randolph Austin Company), 00-0531 (Randolph Austin Co), R6-0.005 (Randolph Co).

What NSN replaces 5365-01-178-2031?

There are 3 known substitutes for 5365-01-178-2031: 3030-00-068-7201, 2930-01-369-3156, 6515-01-478-7739. Verify interchangeability with system specifications before substitution.

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