NSN 3120-01-641-1684 — this item is cataloged by the U.S. Government under National Stock Number 3120-01-641-1684. Manufacturer of record part number: KJBB52716B.
Body Outside Diameter: 1.2520 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN
Material: COPPER ALLOY 632 OVERALL
2 manufacturer part numbers on file
Manufacturer of record: Kamatics Corporation
Identification
NSN: 3120-01-641-1684
NIIN: 016411684
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
Primary part number: KJBB52716B
Manufacturer: Kamatics Corporation
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-641-1684, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. The manufacturer of record is Kamatics Corporation. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
3120-01-641-1684
Primary Part Number
KJBB52716B
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Manufacturer
Kamatics Corporation
Status
ACTIVE
Body Outside Diameter
1.2520 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
1.0010 INCHES MINIMUM AND 1.0020 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 3120-01-641-1684?
NSN 3120-01-641-1684 is a Bushing,sleeve, manufactured by Kamatics Corporation, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What part numbers are listed for NSN 3120-01-641-1684?
NSN 3120-01-641-1684 has 2 manufacturer part numbers on file: KJBB52716B (Kamatics Corporation), 782-7666609 ITEM 47 (Naval Sea Systems Command).
What are the specifications of KJBB52716B?
Key specifications for KJBB52716B: Body Outside Diameter: 1.2520 INCHES MINIMUM AND 1.2530 INCHES MAXIMUM IN; Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES; Overall Length: 0.9950 INCHES MINIMUM AND 1.0050 INCHES MAXIMUM IN; Body Inside Diameter: 1.0010 INCHES MINIMUM AND 1.0020 INCHES MAXIMUM IN. 4 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-641-1684 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.