Bearing, Sleeve3120-01-202-0657

NSN 3120-01-202-0657 · NIIN 012020657

FSC 3120 — Bearings, Plain, Unmounted · FSG 31 — Bearings

Government record, cited

Also searched as 3120-01-202-0657 · 3120012020657 · NIIN 012020657 · 01-202-0657 · FSC 3120 Bearings, Plain, Unmounted

Nearby stock numbers ← 3120-01-202-0173 Bearing, Washer, Thrust · 3120-01-202-0658 Bearing, Sleeve →

3120-01-202-0657 — Bearings, Plain, Unmounted

Features

Bearing,sleeve — FSC 3120
Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner Shape: SQUARE ALL CORNERS
Body Outside Diameter: 0.5012 INCHES NOMINAL IN
Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Style Designator: SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
Material Document and Classification: KAHR-LON,FSCM 97613 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER

Identification

NSN: 3120-01-202-0657
NIIN: 012020657
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings

General Description

The Bearing,sleeve, cataloged under National Stock Number 3120-01-202-0657, 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10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3120-01-202-0657
Item Name	Bearing,sleeve
FSC / FSG	3120 / 31 — Bearings, Plain, Unmounted
Status	ACTIVE
Surface Finish	63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY
Corner Shape	SQUARE ALL CORNERS
Body Outside Diameter	0.5012 INCHES NOMINAL IN
Hardness Rating	27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Style Designator	SOLID, PLAIN, NO OUTSIDE FLANGES
Material Document and Classification	AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OUTER LAYER
Material Document and Classification	KAHR-LON,FSCM 97613 MFR REF SINGLE MATERIAL RESPONSE INNER LAYER
Body Inside Diameter	0.3755 INCHES MINIMUM AND 0.3765 INCHES MAXIMUM IN
Material	PLASTIC POLYTETRAFLUOROETHYLENE INNER LAYER
Material	STEEL COMP 630 OUTER LAYER

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
KDJ06C015-240	3/2 Design 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 3120-01-202-0657?

NSN 3120-01-202-0657 is a Bearing,sleeve, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What are the specifications of 3120-01-202-0657?

Key specifications for 3120-01-202-0657: Surface Finish: 63.0 MICROINCHES OUTSIDE DIAMETER SURFACE OF BODY; Corner Shape: SQUARE ALL CORNERS; Body Outside Diameter: 0.5012 INCHES NOMINAL IN; Hardness Rating: 27.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL. 10 specifications are documented in the U.S. Government catalog.

Is NSN 3120-01-202-0657 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.

PartsTable Design LLC · partstable.com