NSN 3120-01-321-4973 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-321-4973. Manufacturer of record part number: 123CSM10048-511.
Body Outside Diameter: 0.6257 INCHES MINIMUM AND 0.6264 INCHES MAXIMUM IN
Body Inside Diameter: 0.4930 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN
Flange Width: 0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Material: STEEL COMP XM-13 OVERALL
1 manufacturer part number on file
Manufacturer of record: Northrop Grumman Systems Corporation
Identification
NSN: 3120-01-321-4973
NIIN: 013214973
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 123CSM10048-511
Manufacturer: Northrop Grumman Systems Corporation
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-321-4973, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Northrop Grumman Systems Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-321-4973
Primary Part Number
123CSM10048-511
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Northrop Grumman Systems Corporation
Status
ACTIVE
Flange Outside Diameter
0.8500 INCHES NOMINAL IN
Body Outside Diameter
0.6257 INCHES MINIMUM AND 0.6264 INCHES MAXIMUM IN
Body Inside Diameter
0.4930 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN
Flange Width
0.0570 INCHES MINIMUM AND 0.0620 INCHES MAXIMUM IN
Other items in FSC 3120 — Bearings, Plain, Unmounted
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3120-00-001-1288
3120-00-001-1288 · Item name not on file
3120-00-001-1835
3120-00-001-1835 · Item name not on file
3120-00-001-1838
3120-00-001-1838 · Item name not on file
3120-00-001-1928
3120-00-001-1928 · Item name not on file
3120-00-001-1934
3120-00-001-1934 · Item name not on file
3120-00-001-3933
3120-00-001-3933 · Item name not on file
3120-00-001-3937
3120-00-001-3937 · Item name not on file
3120-00-001-3938
3120-00-001-3938 · Item name not on file
Frequently Asked Questions
What is NSN 3120-01-321-4973?
NSN 3120-01-321-4973 is a Bushing,sleeve, manufactured by Northrop Grumman Systems Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-321-4973?
NSN 3120-01-321-4973 has 1 manufacturer part number on file: 123CSM10048-511 (Northrop Grumman Systems Corporation).
What are the specifications of 123CSM10048-511?
Key specifications for 123CSM10048-511: Flange Outside Diameter: 0.8500 INCHES NOMINAL IN; Body Outside Diameter: 0.6257 INCHES MINIMUM AND 0.6264 INCHES MAXIMUM IN; Overall Length: 0.5490 INCHES MINIMUM AND 0.5590 INCHES MAXIMUM IN; Body Inside Diameter: 0.4930 INCHES MINIMUM AND 0.4950 INCHES MAXIMUM IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-321-4973 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.