PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1831-3Spacer,ring

Stromag Inc · NSN 5365-01-506-8267 · FSC 5365 · No Item Name Available
Verified by PartsTable
NSN 5365-01-506-8267 — this item is cataloged by the U.S. Government under National Stock Number 5365-01-506-8267. Primary manufacturer part number: 1831-3.
Features
  • Spacer,ring — FSC 5365
  • Material: IRON MALLEABLE
  • Overall Thickness: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
  • Outside Diameter: 5.900 INCHES MINIMUM AND 5.920 INCHES MAXIMUM IN
  • Inside Diameter: 3.346 INCHES MINIMUM AND 3.351 INCHES MAXIMUM IN
  • 2 verified cross-references
  • Primary manufacturer: Stromag Inc
Applications
  • Applications requiring Iron Malleable construction
General Description

The Spacer,ring, cataloged under National Stock Number 5365-01-506-8267, is classified within Federal Supply Class 5365 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Stromag Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5365-01-506-8267
Primary Part Number1831-3
Item NameSpacer,ring
FSC / FSG5365 / 53 — No Item Name Available
ManufacturerStromag Inc
StatusACTIVE
MaterialIRON MALLEABLE
Overall Thickness0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN
Outside Diameter5.900 INCHES MINIMUM AND 5.920 INCHES MAXIMUM IN
Inside Diameter3.346 INCHES MINIMUM AND 3.351 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4820-00-036-1770 INTERCHANGEABLE
Disk,valve
5950-00-086-8832 INTERCHANGEABLE
Coil,radio Frequency
5330-00-291-3352 INTERCHANGEABLE
Seal,plain Encased
5330-00-451-017818313 INTERCHANGEABLE
Gasket
Lake Shore Systems, Inc.
4310-00-604-383618313 INTERCHANGEABLE
Connecting Rod,piston
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division
5955-01-042-0157712746-3 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
3010-01-506-19567067-11 INTERCHANGEABLE
Hub,coupling,flexible
Stromag Inc
5133-01-535-8384018313 INTERCHANGEABLE
Drill,twist
Precision Twist Drill Co
Cross-Reference Index
Part NumberManufacturer
1831-3 PRIMARY Stromag Inc (USA)
PS-27 Stromag Inc (USA)
Related Parts
4820-00-036-1770INTERCHANGEABLE
DISK,VALVE
5950-00-086-8832INTERCHANGEABLE
COIL,RADIO FREQUENCY
5330-00-291-3352INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-451-0178INTERCHANGEABLE
GASKET
18313
4310-00-604-3836INTERCHANGEABLE
CONNECTING ROD,PISTON
18313
5955-01-042-0157INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712746-3
3010-01-506-1956INTERCHANGEABLE
HUB,COUPLING,FLEXIBLE
7067-11
5133-01-535-8384INTERCHANGEABLE
DRILL,TWIST
018313

Frequently Asked Questions

What is NSN 5365-01-506-8267?

NSN 5365-01-506-8267 is a Spacer,ring, manufactured by Stromag Inc, classified under FSC 5365 (No Item Name Available). Status: active.

What are the part numbers for NSN 5365-01-506-8267?

NSN 5365-01-506-8267 has 2 cross-referenced part numbers: 1831-3 (Stromag Inc), PS-27 (Stromag Inc).

What NSN replaces 5365-01-506-8267?

There are 8 known substitutes for 5365-01-506-8267: 4820-00-036-1770, 5950-00-086-8832, 5330-00-291-3352 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1831-3?

Key specifications for 1831-3: Part Name Assigned by Controlling Agency: COMPRESSION RING; Material: IRON MALLEABLE; Overall Thickness: 0.440 INCHES MINIMUM AND 0.460 INCHES MAXIMUM IN; Outside Diameter: 5.900 INCHES MINIMUM AND 5.920 INCHES MAXIMUM IN. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com