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NSN 3110-01-554-5305Government record, cited

Bearing, Ball, Annular3110-01-554-5305

NSN 3110-01-554-5305 · NIIN 015545305 · Part number SS RI 518 ZZ R A5 P25 LO1
New Hampshire Ball Bearings Inc Div Precision Division · FSC 3110 — Bearings, Antifriction, Unmounted · FSG 31 — Bearings · CAGE 50294
Government record, cited
NSN 3110-01-554-5305 — this item is cataloged by the U.S. Government under National Stock Number 3110-01-554-5305. Manufacturer of record part number: SS RI 518 ZZ R A5 P25 LO1.
Also searched as  3110-01-554-5305 · 3110015545305 · NIIN 015545305 · 01-554-5305 · FSC 3110 Bearings, Antifriction, Unmounted · CAGE 50294 · SS RI 518 ZZ R A5 P25 LO1
Nearby stock numbers  ·
Features
  • Bearing,ball,annular — FSC 3110
  • Style Designator: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
  • Overall Outside Diameter: 0.3125 INCHES NOMINAL IN
  • Load Direction: ANGULAR
  • Bore Diameter: 0.1250 INCHES NOMINAL IN
  • Material: STEEL COMP 440C OVERALL
  • 1 manufacturer part number on file
  • Manufacturer of record: New Hampshire Ball Bearings Inc Div Precision Division
Identification
  • NSN: 3110-01-554-5305
  • NIIN: 015545305
  • FSC: 3110 — Bearings, Antifriction, Unmounted
  • FSG: 31 — Bearings
  • Primary part number: SS RI 518 ZZ R A5 P25 LO1
  • Manufacturer: New Hampshire Ball Bearings Inc Div Precision Division
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-01-554-5305, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Precision Division. Government technical data includes 5 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.

Technical Specifications
ParameterValue
NSN3110-01-554-5305
Primary Part NumberSS RI 518 ZZ R A5 P25 LO1
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — Bearings, Antifriction, Unmounted
ManufacturerNew Hampshire Ball Bearings Inc Div Precision Division
StatusACTIVE
Style Designator4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE
Overall Outside Diameter0.3125 INCHES NOMINAL IN
Load DirectionANGULAR
Bore Diameter0.1250 INCHES NOMINAL IN
MaterialSTEEL COMP 440C OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
SS RI 518 ZZ R A5 P25 LO1 PRIMARY New Hampshire Ball Bearings Inc Div Precision Division (USA)
No interchangeability data on file.
Other items in FSC 3110 — Bearings, Antifriction, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1937
BEARING,ROLLER,NEEDLE
3110-00-001-1938
BEARING,BALL,AIRFRAME
3110-00-001-4661
CONE AND ROLLERS,TAPERED ROLLER
3110-00-001-4662
CUP,TAPERED ROLLER BEARING
3110-00-001-4689
BEARING,BALL,ANNULAR
3110-00-001-4722
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 3110-01-554-5305?

NSN 3110-01-554-5305 is a Bearing,ball,annular, manufactured by New Hampshire Ball Bearings Inc Div Precision Division, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.

What part numbers are listed for NSN 3110-01-554-5305?

NSN 3110-01-554-5305 has 1 manufacturer part number on file: SS RI 518 ZZ R A5 P25 LO1 (New Hampshire Ball Bearings Inc Div Precision Division).

What are the specifications of SS RI 518 ZZ R A5 P25 LO1?

Key specifications for SS RI 518 ZZ R A5 P25 LO1: Style Designator: 4 POINT BALL CONTACT, SOLID INNER AND OUTER RINGS, NON-SEPARABLE; Overall Width: 0.1406 INCHES NOMINAL IN; Overall Outside Diameter: 0.3125 INCHES NOMINAL IN; Load Direction: ANGULAR. 5 specifications are documented in the U.S. Government catalog.

Is NSN 3110-01-554-5305 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.
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