Bearing, Washer, Thrust3120-01-128-9042

NSN 3120-01-128-9042 · NIIN 011289042

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

Government record, cited

Also searched as 3120-01-128-9042 · 3120011289042 · NIIN 011289042 · 01-128-9042 · FSC 3120 Bearings, Plain, Unmounted

Nearby stock numbers ← 3120-01-128-9041 Bushing, Sleeve · 3120-01-128-9043 →

3120-01-128-9042 — Bearings, Plain, Unmounted

Features

Bearing,washer,thrust — FSC 3120
Surface Finish: 125.0 MICROINCHES RIGHT SIDE
Surface Finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Surface Finish: 63.0 MICROINCHES LEFT SIDE
Corner Shape: SQUARE ALL CORNERS
Overall Thickness: 0.2400 INCHES NOMINAL IN
Style Designator: ROUND
Diameter: 4.5312 INCHES NOMINAL IN

Identification

NSN: 3120-01-128-9042
NIIN: 011289042
FSC: 3120 — Bearings, Plain, Unmounted
FSG: 31 — Bearings

General Description

The Bearing,washer,thrust, cataloged under National Stock Number 3120-01-128-9042, is classified within Federal Supply Class 3120 (Bearings, Plain, Unmounted) of the Bearings group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3120-01-128-9042
Item Name	Bearing,washer,thrust
FSC / FSG	3120 / 31 — Bearings, Plain, Unmounted
Status	ACTIVE
Surface Finish	125.0 MICROINCHES RIGHT SIDE
Surface Finish	125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY
Surface Finish	63.0 MICROINCHES LEFT SIDE
Corner Shape	SQUARE ALL CORNERS
Overall Thickness	0.2400 INCHES NOMINAL IN
Style Designator	ROUND
Diameter	4.5312 INCHES NOMINAL IN
Cross-Sectional Shape Style	RECTANGULAR
Outside Diameter	5.9688 INCHES NOMINAL IN
Material	PLASTIC POLYAMIDE NYLON OVERALL
Material	LUBRICANT LUBRICATION
Center Hole Shape Style	ROUND

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
810-4385049 PIECE 18	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 3120-01-128-9042?

NSN 3120-01-128-9042 is a Bearing,washer,thrust, classified under FSC 3120, Bearings, Plain, Unmounted. Status: active.

What are the specifications of 3120-01-128-9042?

Key specifications for 3120-01-128-9042: Surface Finish: 125.0 MICROINCHES RIGHT SIDE; Surface Finish: 125.0 MICROINCHES INSIDE DIAMETER SURFACE OF BODY; Surface Finish: 63.0 MICROINCHES LEFT SIDE; Corner Shape: SQUARE ALL CORNERS. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3120-01-128-9042 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.

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