Housing, Bearing Unit3130-01-309-7180

NSN 3130-01-309-7180 · NIIN 013097180

FSC 3130 — Bearings, Mounted · FSG 31 — Bearings

Government record, cited

Also searched as 3130-01-309-7180 · 3130013097180 · NIIN 013097180 · 01-309-7180 · FSC 3130 Bearings, Mounted

Nearby stock numbers ← 3130-01-309-6271 Cap, Pillow Block · 3130-01-309-7181 Housing, Bearing Unit →

3130-01-309-7180 — Bearings, Mounted

Features

Housing,bearing Unit — FSC 3130
Flange Thickness: 0.7500 INCHES NOMINAL IN
Mounting Hole Type: ROUND, UNTHREADED
Material Document and Classification: MIL-S-5000,COND C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Diameter: 0.4360 INCHES MINIMUM AND 0.4450 INCHES MAXIMUM IN
Overall Outside Diameter: 5.6200 INCHES NOMINAL IN
Bolt Circle Diameter: 4.7500 INCHES NOMINAL IN
Bore Diameter: 1.6880 INCHES NOMINAL IN

Identification

NSN: 3130-01-309-7180
NIIN: 013097180
FSC: 3130 — Bearings, Mounted
FSG: 31 — Bearings

General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-01-309-7180, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3130-01-309-7180
Item Name	Housing,bearing Unit
FSC / FSG	3130 / 31 — Bearings, Mounted
Status	ACTIVE
Flange Thickness	0.7500 INCHES NOMINAL IN
Mounting Hole Type	ROUND, UNTHREADED
Material Document and Classification	MIL-S-5000,COND C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Diameter	0.4360 INCHES MINIMUM AND 0.4450 INCHES MAXIMUM IN
Overall Outside Diameter	5.6200 INCHES NOMINAL IN
Bolt Circle Diameter	4.7500 INCHES NOMINAL IN
Bore Diameter	1.6880 INCHES NOMINAL IN
Material	STEEL COMP E4340 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
31036-41047	3/2 Design control — primary reference U.S. Government activity

No interchangeability data on file.

Other items in FSC 3130 — Bearings, Mounted

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3130-00-001-5118

3130-00-001-5118 · Item name not on file

3130-00-001-5137

BEARING UNIT,BALL

3130-00-001-6585

3130-00-001-6585 · Item name not on file

3130-00-003-0422

3130-00-003-0422 · Item name not on file

3130-00-003-0455

3130-00-003-0455 · Item name not on file

3130-00-003-0794

BEARING UNIT,BALL

3130-00-003-2802

BEARING UNIT,BALL

3130-00-003-9535

3130-00-003-9535 · Item name not on file

Frequently Asked Questions

What is NSN 3130-01-309-7180?

NSN 3130-01-309-7180 is a Housing,bearing Unit, classified under FSC 3130, Bearings, Mounted. Status: active.

What are the specifications of 3130-01-309-7180?

Key specifications for 3130-01-309-7180: Flange Thickness: 0.7500 INCHES NOMINAL IN; Mounting Hole Type: ROUND, UNTHREADED; Material Document and Classification: MIL-S-5000,COND C1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Mounting Hole Diameter: 0.4360 INCHES MINIMUM AND 0.4450 INCHES MAXIMUM IN. 8 specifications are documented in the U.S. Government catalog.

Is NSN 3130-01-309-7180 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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