NSN 5365-01-731-0348 · NIIN 017310348 · Part number 4N31R18AP
W J Roberts Co Inc · FSC 5365 — Bushings, Rings, Shims, and Spacers · FSG 53 — Hardware and Abrasives · CAGE 35ND4
Government record, cited
NSN 5365-01-731-0348 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-731-0348. Manufacturer of record part number: 4N31R18AP.
Also searched as5365-01-731-0348 ·
5365017310348 ·
NIIN 017310348 ·
01-731-0348 ·
FSC 5365 Bushings, Rings, Shims, and Spacers · CAGE 35ND4 · 4N31R18AP
Inside Diameter: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Material: ALUMINUM ALLOY
1 manufacturer part number on file
Manufacturer of record: W J Roberts Co Inc
Identification
NSN: 5365-01-731-0348
NIIN: 017310348
FSC: 5365 — Bushings, Rings, Shims, and Spacers
FSG: 53 — Hardware and Abrasives
Primary part number: 4N31R18AP
Manufacturer: W J Roberts Co Inc
General Description
The Spacer,ring, cataloged under National Stock Number 5365-01-731-0348, is classified within Federal Supply Class 5365 (Bushings, Rings, Shims, and Spacers) of the Hardware and Abrasives group. The manufacturer of record is W J Roberts Co Inc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Other items in FSC 5365 — Bushings, Rings, Shims, and Spacers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5365-00-000-6078
5365-00-000-6078 · Item name not on file
5365-00-000-7436
5365-00-000-7436 · Item name not on file
5365-00-001-1292
PLUG,MACHINE THREAD
5365-00-001-1365
5365-00-001-1365 · Item name not on file
5365-00-001-1841
RING,TORQUE,TUBE,INBOARD,RUDDER
5365-00-001-1915
5365-00-001-1915 · Item name not on file
5365-00-001-1916
5365-00-001-1916 · Item name not on file
5365-00-001-1940
5365-00-001-1940 · Item name not on file
Frequently Asked Questions
What is NSN 5365-01-731-0348?
NSN 5365-01-731-0348 is a Spacer,ring, manufactured by W J Roberts Co Inc, classified under FSC 5365, Bushings, Rings, Shims, and Spacers. Status: active.
What part numbers are listed for NSN 5365-01-731-0348?
NSN 5365-01-731-0348 has 1 manufacturer part number on file: 4N31R18AP (W J Roberts Co Inc).
What are the specifications of 4N31R18AP?
Key specifications for 4N31R18AP: Outside Diameter: 0.1875 INCHES NOMINAL IN; Overall Thickness: 0.0725 INCHES NOMINAL IN; Inside Diameter: 0.115 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN; Part Name Assigned by Controlling Agency: RING SPACER. 4 specifications are documented in the U.S. Government catalog.
Is NSN 5365-01-731-0348 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.