Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style Designator: FLAT RACE SURFACE
Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.2510 INCHES MINIMUM AND 0.2514 INCHES MAXIMUM IN
Surface Treatment: PASSIVATE OVERALL
Bore Diameter: 0.0430 INCHES NOMINAL IN
Material: STEEL COMP 630 OVERALL
Identification
NSN: 3110-01-191-0568
NIIN: 011910568
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
General Description
The Seat,bearing, cataloged under National Stock Number 3110-01-191-0568, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-191-0568
Item Name
Seat,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Status
ACTIVE
Surface Treatment Document and Classification
QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Style Designator
FLAT RACE SURFACE
Material Document and Classification
AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
0.2510 INCHES MINIMUM AND 0.2514 INCHES MAXIMUM IN
Surface Treatment
PASSIVATE OVERALL
Bore Diameter
0.0430 INCHES NOMINAL IN
Material
STEEL COMP 630 OVERALL
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
3087817-1
3/2Design control — primary reference
U.S. Government activity
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 3110-01-191-0568?
NSN 3110-01-191-0568 is a Seat,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What are the specifications of 3110-01-191-0568?
Key specifications for 3110-01-191-0568: Surface Treatment Document and Classification: QQ-P-35,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: FLAT RACE SURFACE; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.0300 INCHES NOMINAL IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-191-0568 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.