Material Document and Classification: ASTM-A108,GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter: 0.8750 INCHES NOMINAL IN
Bore Diameter: 0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
Material: STEEL COMP 1018 OVERALL
Identification
NSN: 3110-01-271-2688
NIIN: 012712688
FSC: 3110 — Bearings, Antifriction, Unmounted
FSG: 31 — Bearings
General Description
The Collar,bearing, cataloged under National Stock Number 3110-01-271-2688, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3110-01-271-2688
Item Name
Collar,bearing
FSC / FSG
3110 / 31 — Bearings, Antifriction, Unmounted
Status
ACTIVE
Style Designator
BEARING
Material Document and Classification
ASTM-A108,GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Outside Diameter
0.8750 INCHES NOMINAL IN
Bore Diameter
0.4380 INCHES MINIMUM AND 0.4390 INCHES MAXIMUM IN
Material
STEEL COMP 1018 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
1244578-1
3/9Design control — primary reference
Goodrich Corporation Div Advanced Structures Landing Systems
1244578-1
5/9Secondary reference
Goodrich Corp Dba Goodrich Corp
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 3110-01-271-2688?
NSN 3110-01-271-2688 is a Collar,bearing, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
What are the specifications of 3110-01-271-2688?
Key specifications for 3110-01-271-2688: Style Designator: BEARING; Material Document and Classification: ASTM-A108,GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Width: 0.3120 INCHES NOMINAL IN; Outside Diameter: 0.8750 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3110-01-271-2688 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.