The Bearing,plain,self-Aligning, cataloged under National Stock Number 3120-00-975-0831, is classified within Federal Supply Class 3120 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3120-00-975-0831 |
| Primary Part Number | GB14D8 |
| Item Name | Bearing,plain,self-Aligning |
| FSC / FSG | 3120 / 31 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Hardness Rating | 56.0 ROCKWELL C NOMINAL INNER MEMBER |
| Material | COPPER ALLOY OUTER RACE MEMBER |
| Lubrication Feature | GROOVE INTERNAL INNER MEMBER |
| Outer Member Outside Diameter | 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN |
| Inner Member Width | 0.4950 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Static Radial Load Rating | 9750 POUNDS LBS |
| Outer Member Width | 0.3850 INCHES MINIMUM AND 0.3950 INCHES MAXIMUM IN |
| Test Data Document | 81349-MIL-B-8976 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Lubrication Feature | GROOVE EXTERNAL OUTER MEMBER |
| Material Document and Classification | MIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE LUBRICATION |
| Lubrication Feature | GROOVE INTERNAL OUTER MEMBER |
| Style Designator | WITHOUT INSERT OR LINER WITH STAKING GROOVE |
| Surface Treatment | CADMIUM OUTER RACE MEMBER |
| Material | GREASE AND LUBRICANT DRY FILM LUBRICATION |
| Lubrication Feature | PERFORATION INNER MEMBER |
| Lubrication Feature | PERFORATION OUTER RACE MEMBER |
| Material | STEEL COMP E52100 INNER MEMBER |
| Surface Treatment | CHROMIUM INNER MEMBER |
| Bore Diameter | 0.4995 INCHES MINIMUM AND 0.5000 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 55204 | Rbc Transport Dynamics Corp Div Rbc Transport Dynamics (USA) |
| HSBG8-13 | Sargent Aerospace & Defense, Llc Dba Kahr Bearings (USA) |
| RPG8A1 | Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc (USA) |
| LHBZ8 | Roller Bearing Company of America, Inc. (USA) |
| ASBG8SP11 | New Hampshire Ball Bearings Inc Div Astro Division (USA) |
| GB14D8 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| GB14D8 | U S Bearings (USA) |
NSN 3120-00-975-0831 is a Bearing,plain,self-Aligning, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120 (No Item Name Available). Status: active.
NSN 3120-00-975-0831 has 7 cross-referenced part numbers: 55204 (Rbc Transport Dynamics Corp Div Rbc Transport Dynamics), HSBG8-13 (Sargent Aerospace & Defense, Llc Dba Kahr Bearings), RPG8A1 (Radial Bearing Corporation Dba Radial Bearing Corp of Connecticu Div Radial Bearing Llc), LHBZ8 (Roller Bearing Company of America, Inc.), ASBG8SP11 (New Hampshire Ball Bearings Inc Div Astro Division) and 2 more.
There are 4 known substitutes for 3120-00-975-0831: 3110-01-025-1723, 2590-01-077-4709, 6695-01-180-5103 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for GB14D8: Hardness Rating: 56.0 ROCKWELL C NOMINAL INNER MEMBER; Material: COPPER ALLOY OUTER RACE MEMBER; Lubrication Feature: GROOVE INTERNAL INNER MEMBER; Outer Member Outside Diameter: 0.9995 INCHES MINIMUM AND 1.0000 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.