NSN 3120-01-677-8445 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-677-8445. Manufacturer of record part number: ATSB18-4001.
Manufacturer of record: New Hampshire Ball Bearings Inc Div Astro Division
Identification
NSN: 3120-01-677-8445
NIIN: 016778445
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: ATSB18-4001
Manufacturer: New Hampshire Ball Bearings Inc Div Astro Division
General Description
The Bearing,plain,spherical, cataloged under National Stock Number 3120-01-677-8445, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is New Hampshire Ball Bearings Inc Div Astro Division. Government technical data includes 1 specification, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-677-8445
Primary Part Number
ATSB18-4001
Item Name
Bearing,plain,spherical
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
New Hampshire Ball Bearings Inc Div Astro Division
New Hampshire Ball Bearings Inc Div Astro Division (USA)
No interchangeability data on file.
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 3120-01-677-8445?
NSN 3120-01-677-8445 is a Bearing,plain,spherical, manufactured by New Hampshire Ball Bearings Inc Div Astro Division, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-677-8445?
NSN 3120-01-677-8445 has 1 manufacturer part number on file: ATSB18-4001 (New Hampshire Ball Bearings Inc Div Astro Division).
What are the specifications of ATSB18-4001?
Key specifications for ATSB18-4001: Style Designator: SEGMENTED; Part Name Assigned by Controlling Agency: BEARING,PLAIN,SPHERICAL; End Item Identification: BEARINGS,PLAIN,UNMOUNTED. 1 specification is documented in the U.S. Government catalog.
Is NSN 3120-01-677-8445 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.