NSN 3120-01-159-6431 · NIIN 011596431 · Part number 2531721
Hewins, Edmund C Jr Dba Jet Machines Works Company · FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings · CAGE 37KP5
Government record, cited
NSN 3120-01-159-6431 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-159-6431. Manufacturer of record part number: 2531721.
Manufacturer of record: Hewins, Edmund C Jr Dba Jet Machines Works Company
Identification
NSN: 3120-01-159-6431
NIIN: 011596431
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: 2531721
Manufacturer: Hewins, Edmund C Jr Dba Jet Machines Works Company
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-159-6431, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Hewins, Edmund C Jr Dba Jet Machines Works Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
Catalog Facts
Item Name
Bushing,sleeve
FSC / FSG
3120 — Bearings, Plain, Unmounted (FSG 31)
Manufacturers
Hewins, Edmund C Jr Dba Jet Machines Works Company (CAGE 37KP5)
Technical Specifications
Parameter
Value
NSN
3120-01-159-6431
Primary Part Number
2531721
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Hewins, Edmund C Jr Dba Jet Machines Works Company
Hewins, Edmund C Jr Dba Jet Machines Works Company (USA)
Reference documents
Reference
Meaning
2531721
3/9Design control — primary reference
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
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 3120-01-159-6431?
NSN 3120-01-159-6431 is a Bushing,sleeve, manufactured by Hewins, Edmund C Jr Dba Jet Machines Works Company, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-159-6431?
NSN 3120-01-159-6431 has 1 manufacturer part number on file: 2531721 (Hewins, Edmund C Jr Dba Jet Machines Works Company).
Is NSN 3120-01-159-6431 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.