The Collar,bearing, cataloged under National Stock Number 3110-01-515-1840, is classified within Federal Supply Class 3110 (Bearings, Antifriction, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3110-01-515-1840 |
| Primary Part Number | 5839C70H01 |
| Item Name | Collar,bearing |
| FSC / FSG | 3110 / 31 — Bearings, Antifriction, Unmounted |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Style Designator | BEARING |
| Material Document and Classification | ASTM-A66-1999 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM-240/A240M-2002A ASSN STD SINGLE MATERIAL RESPONSE AND ASTM-A693-1993(R99) ASSN STD SINGLE MATERIAL RESPONSE OVERALL A |
| Outside Diameter | 3.8800 INCHES NOMINAL IN |
| Bore Diameter | 1.9990 INCHES MINIMUM AND 2.0001 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5839C70H01 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 5839C70 | D/9 Drawing number reference only Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 3110-01-515-1840 is a Collar,bearing, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 3110, Bearings, Antifriction, Unmounted. Status: active.
NSN 3110-01-515-1840 has 1 manufacturer part number on file: 5839C70H01 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-515-1853. Verify interchangeability with system specifications before substitution.
Key specifications for 5839C70H01: Style Designator: BEARING; Material Document and Classification: ASTM-A66-1999 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM-240/A240M-2002A ASSN STD SINGLE MATERIAL RESPONSE AND ASTM-A693-1993(R99) ASSN STD SINGLE MATERIAL RESPONSE OVERALL A; Overall Width: 0.6250 INCHES NOMINAL IN; Outside Diameter: 3.8800 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.