PartsTable TECHNICAL DATA SHEET

NSN 3130-01-381-4334Government record, cited

Housing, Bearing Unit3130-01-381-4334

NSN 3130-01-381-4334 · NIIN 013814334 · Part number 4T-28779

Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc · FSC 3130 — Bearings, Mounted · FSG 31 — Bearings · CAGE 0DER9

Government record, cited

NSN 3130-01-381-4334 — this item is cataloged by the U.S. Government under National Stock Number 3130-01-381-4334. Manufacturer of record part number: 4T-28779.

Also searched as 3130-01-381-4334 · 3130013814334 · NIIN 013814334 · 01-381-4334 · FSC 3130 Bearings, Mounted · CAGE 0DER9 · 4T-28779

Nearby stock numbers ← 3130-01-381-3644 Housing, Bearing Unit · 3130-01-381-5371 Liner, Bearing Housing →

3130-01-381-4334 — Bearings, Mounted

Features

Housing,bearing Unit — FSC 3130
1 manufacturer part number on file
Manufacturer of record: Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc

Identification

NSN: 3130-01-381-4334
NIIN: 013814334
FSC: 3130 — Bearings, Mounted
FSG: 31 — Bearings
Primary part number: 4T-28779
Manufacturer: Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc

General Description

The Housing,bearing Unit, cataloged under National Stock Number 3130-01-381-4334, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Housing,bearing Unit
FSC / FSG	3130 — Bearings, Mounted (FSG 31)
Manufacturers	Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc (CAGE 0DER9)

Technical Specifications

Parameter	Value
NSN	3130-01-381-4334
Primary Part Number	4T-28779
Item Name	Housing,bearing Unit
FSC / FSG	3130 / 31 — Bearings, Mounted
Manufacturer	Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc
Status	ACTIVE

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

Part Number	Manufacturer
4T-28779 PRIMARY	Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc (USA)

Reference documents

Reference	Meaning
4T-28779	5/9 Secondary reference Fm Af, Llc Dba American Fan Company
4T-28779	5/9 Secondary reference New Philadelphia Fan Co Buffalo Forge Marine Fans

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 3130-01-381-4334?

NSN 3130-01-381-4334 is a Housing,bearing Unit, manufactured by Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc, classified under FSC 3130, Bearings, Mounted. Status: active.

What part numbers are listed for NSN 3130-01-381-4334?

NSN 3130-01-381-4334 has 1 manufacturer part number on file: 4T-28779 (Buffalo Machine Tools of Niagara Inc Div Buffalo Machines Inc).

Is NSN 3130-01-381-4334 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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