PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3A691O-Ring

Link-Belt Cranes, L.p., Lllp · NSN 5331-01-231-5201 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-231-5201 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-231-5201. Primary manufacturer part number: 3A691.
Features
  • O-Ring — FSC 5331
  • 2 verified cross-references
  • Primary manufacturer: Link-Belt Cranes, L.p., Lllp
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-231-5201, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Link-Belt Cranes, L.p., Lllp. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersDana Commercial Vehicle Products, Llc (CAGE 52304); Link-Belt Cranes, L.p., Lllp (CAGE 2Y614)
Technical Specifications
ParameterValue
NSN5331-01-231-5201
Primary Part Number3A691
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLink-Belt Cranes, L.p., Lllp
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-005-6184 INTERCHANGEABLE
Bearing,ball,annular
1040-00-006-316315117 INTERCHANGEABLE
Plate,inlet Valve
L3harris Technologies, Inc. Div Space and Airborne Systems
5965-00-119-6207 INTERCHANGEABLE
Headset,electrical
5136-00-189-7816 INTERCHANGEABLE
Tap,thread Cutting
5133-00-236-4053 INTERCHANGEABLE
Drill,twist
5310-00-448-7264 INTERCHANGEABLE
Washer,key
5950-00-470-899215114 INTERCHANGEABLE
Reactor
Oeco, Llc Dba Pacific Scientific Oeco Div Fire Safety and Power Systems
4820-00-892-5904FIGURE 89 INTERCHANGEABLE
Valve,angle
Crane Co Div Valve Div
5910-01-048-743616PS-S20 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Sprague Electric Co World Hqs
5930-01-186-899515186 INTERCHANGEABLE
Switch,thermostatic
Star Mfg Intl Inc Dbaholman Cooking Equipment Inc
Cross-Reference Index
Part NumberManufacturer
15114 Dana Commercial Vehicle Products, Llc (USA)
3A691 PRIMARY Link-Belt Cranes, L.p., Lllp (USA)
Related Parts
3110-00-005-6184INTERCHANGEABLE
BEARING,BALL,ANNULAR
1040-00-006-3163INTERCHANGEABLE
PLATE,INLET VALVE
15117
5965-00-119-6207INTERCHANGEABLE
HEADSET,ELECTRICAL
5136-00-189-7816INTERCHANGEABLE
TAP,THREAD CUTTING
5133-00-236-4053INTERCHANGEABLE
DRILL,TWIST
5310-00-448-7264INTERCHANGEABLE
WASHER,KEY
5950-00-470-8992INTERCHANGEABLE
REACTOR
15114
4820-00-892-5904INTERCHANGEABLE
VALVE,ANGLE
FIGURE 89
5910-01-048-7436INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
16PS-S20
5930-01-186-8995INTERCHANGEABLE
SWITCH,THERMOSTATIC
15186
5120-01-397-5813INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
ET732
4320-01-422-0091INTERCHANGEABLE
MOTOR AND SHAFT ASSEMBLY
15114

Frequently Asked Questions

What is NSN 5331-01-231-5201?

NSN 5331-01-231-5201 is a O-Ring, manufactured by Link-Belt Cranes, L.p., Lllp, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-231-5201?

NSN 5331-01-231-5201 has 2 cross-referenced part numbers: 15114 (Dana Commercial Vehicle Products, Llc), 3A691 (Link-Belt Cranes, L.p., Lllp).

What NSN replaces 5331-01-231-5201?

There are 12 known substitutes for 5331-01-231-5201: 3110-00-005-6184, 1040-00-006-3163, 5965-00-119-6207 and 9 more. Verify interchangeability with system specifications before substitution.

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