NSN 3120-01-528-1981 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-528-1981. Manufacturer of record part number: 7384570-41.
The Bearing,sleeve, cataloged under National Stock Number 3120-01-528-1981, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Naval Sea Systems Command. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Catalog Facts
Item Name
Bearing,sleeve
FSC / FSG
3120 — Bearings, Plain, Unmounted (FSG 31)
Manufacturers
Naval Sea Systems Command (CAGE 53711); Kamatics Corporation (CAGE 50632)
Technical Specifications
Parameter
Value
NSN
3120-01-528-1981
Primary Part Number
7384570-41
Item Name
Bearing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Naval Sea Systems Command
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items11
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
3120-01-528-1993KRJ18-UDSV-052POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
3120-01-528-2016KNRJ48-UDV-052-2POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
3120-01-528-2035KNRJ24-V-144-8POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
3120-01-528-20847384570-78POSSIBLE MATCH
BUSHING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
3120-01-528-34287384570-71POSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Naval Sea Systems Command
5365-01-528-35747384570-97POSSIBLE MATCH
SHIM
Possible match (shared part number)Naval Sea Systems Command
5365-01-528-35817384570-24POSSIBLE MATCH
SHIM
Possible match (shared part number)Naval Sea Systems Command
5365-01-528-35957384570-55POSSIBLE MATCH
SHIM
Possible match (shared part number)Naval Sea Systems Command
5365-01-528-36227384570-113POSSIBLE MATCH
SHIM
Possible match (shared part number)Naval Sea Systems Command
3120-01-528-3693KJB948438VPOSSIBLE MATCH
BEARING,SLEEVE
Possible match (shared part number)Kamatics Corporation
NSN 3120-01-528-1981 is a Bearing,sleeve, manufactured by Naval Sea Systems Command, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-528-1981?
NSN 3120-01-528-1981 has 2 manufacturer part numbers on file: 7384570-41 (Naval Sea Systems Command), KRJ20-UDSV-064 (Kamatics Corporation).
What NSN replaces 3120-01-528-1981?
11 possible matches (shared part number, not a government interchangeability claim): 3120-01-528-1993, 3120-01-528-2016, 3120-01-528-2035. Verify interchangeability with system specifications before substitution.
Is NSN 3120-01-528-1981 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.