Also searched as3120-01-377-9902 ·
3120013779902 ·
NIIN 013779902 ·
01-377-9902 ·
FSC 3120 Bearings, Plain, Unmounted
Nearby stock numbers← 3120-01-377-9866 Bushing, Sleeve
·
3120-01-377-9932 Bearing, Plain, Rod End →
3120-01-377-9902 — Bearings, Plain, Unmounted
Features
Bushing,sleeve — FSC 3120
Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner Shape: CHAMFERED INSIDE LEFT CORNER
Corner Shape: SQUARE OUTSIDE RIGHT CORNER
Corner Shape: SQUARE OUTSIDE LEFT CORNER
Corner Shape: CHAMFERED INSIDE RIGHT CORNER
Body Outside Diameter: 0.5006 INCHES MINIMUM AND 0.5013 INCHES MAXIMUM IN
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Identification
NSN: 3120-01-377-9902
NIIN: 013779902
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings
General Description
The Bushing,sleeve, cataloged under National Stock Number 3120-01-377-9902, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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
3120-01-377-9902
Item Name
Bushing,sleeve
FSC / FSG
3120 / 31 — Bearings, Plain, Unmounted
Status
ACTIVE
Surface Finish
63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner Shape
CHAMFERED INSIDE LEFT CORNER
Corner Shape
SQUARE OUTSIDE RIGHT CORNER
Corner Shape
SQUARE OUTSIDE LEFT CORNER
Corner Shape
CHAMFERED INSIDE RIGHT CORNER
Body Outside Diameter
0.5006 INCHES MINIMUM AND 0.5013 INCHES MAXIMUM IN
Style Designator
SOLID, PLAIN, NO OUTSIDE FLANGES
Body Inside Diameter
0.3590 INCHES MINIMUM AND 0.3660 INCHES MAXIMUM IN
Surface Treatment
CADMIUM AND CHROMATE OVERALL
Material
STEEL COMP 4130 OR STEEL COMP 8630 OVERALL
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
Cross-Reference Index
No manufacturer part numbers on file in the U.S. Government catalog.
Reference documents
Reference
Meaning
NAS537-6P013
3/2Design control — primary reference
U.S. Government activity
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 3120-01-377-9902?
NSN 3120-01-377-9902 is a Bushing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.
What are the specifications of 3120-01-377-9902?
Key specifications for 3120-01-377-9902: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: CHAMFERED INSIDE LEFT CORNER; Corner Shape: SQUARE OUTSIDE RIGHT CORNER; Corner Shape: SQUARE OUTSIDE LEFT CORNER. 10 specifications are documented in the U.S. Government catalog.
Is NSN 3120-01-377-9902 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.