PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8216-366YO-Ring

Minnesota Rubber Co · NSN 5331-00-257-3605 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-257-3605 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-257-3605. Primary manufacturer part number: 8216-366Y.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • Center Hole Diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Minnesota Rubber Co
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-257-3605, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Minnesota Rubber Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-257-3605
Primary Part Number8216-366Y
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerMinnesota Rubber Co
StatusACTIVE
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Center Hole Diameter1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-059-2899 INTERCHANGEABLE
Transformer,power
5910-00-081-1041NLW25-25 INTERCHANGEABLE
Capacitor,fixed,electrolytic
Cornell-Dubilier Marketing Inc
2520-00-149-74801441 INTERCHANGEABLE
Retainer,clutch Sha
Dana Corp Spicer Transmission Div
3030-00-269-7203166T INTERCHANGEABLE
Belt,v
Gates Corporation
4720-00-274-11541525-6 INTERCHANGEABLE
Hose,nonmetallic
Danfoss Power Solutions II, Llc
2510-00-278-1310 INTERCHANGEABLE
Spring Assembly,leaf
5330-00-338-356562489-21 INTERCHANGEABLE
Packing,preformed
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5340-00-374-5316 INTERCHANGEABLE
Clip,retaining
3030-00-415-00667495 INTERCHANGEABLE
Belt,v
Gates Corporation
5996-00-420-1267 INTERCHANGEABLE
Amplifier,radio Frequency
Cross-Reference Index
Part NumberManufacturer
8216-366Y Minnesota Rubber Co (USA)
1441 Warn Industries Inc (USA)
8216 Minnesota Rubber Co (USA)
1441 Warn Industries, Inc. Dba Warn Div Warn Industries (USA)
Related Parts
5950-00-059-2899INTERCHANGEABLE
TRANSFORMER,POWER
5910-00-081-1041INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
NLW25-25
2520-00-149-7480INTERCHANGEABLE
RETAINER,CLUTCH SHA
1441
3030-00-269-7203INTERCHANGEABLE
BELT,V
166T
4720-00-274-1154INTERCHANGEABLE
HOSE,NONMETALLIC
1525-6
2510-00-278-1310INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
5330-00-338-3565INTERCHANGEABLE
PACKING,PREFORMED
62489-21
5340-00-374-5316INTERCHANGEABLE
CLIP,RETAINING
3030-00-415-0066INTERCHANGEABLE
BELT,V
7495
5996-00-420-1267INTERCHANGEABLE
AMPLIFIER,RADIO FREQUENCY
6145-00-606-8237INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5910-00-901-8796INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC

Frequently Asked Questions

What is NSN 5331-00-257-3605?

NSN 5331-00-257-3605 is a O-Ring, manufactured by Minnesota Rubber Co, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-257-3605?

NSN 5331-00-257-3605 has 4 cross-referenced part numbers: 8216-366Y (Minnesota Rubber Co), 1441 (Warn Industries Inc), 8216 (Minnesota Rubber Co), 1441 (Warn Industries, Inc. Dba Warn Div Warn Industries).

What NSN replaces 5331-00-257-3605?

There are 12 known substitutes for 5331-00-257-3605: 5950-00-059-2899, 5910-00-081-1041, 2520-00-149-7480 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8216-366Y?

Key specifications for 8216-366Y: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC; Center Hole Diameter: 1.103 INCHES MINIMUM AND 1.115 INCHES MAXIMUM IN. 3 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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