The Housing,bearing Unit, cataloged under National Stock Number 3130-01-338-6993, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Vigor Works Llc Dba Vigor Works. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3130-01-338-6993 |
| Primary Part Number | 457-P4-303 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Vigor Works Llc Dba Vigor Works |
| Status | ACTIVE |
| Mounting Hole Type | ROUND, THREADED |
| Material Document and Classification | ASTM A27 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Center to Center Distance Between Mounting Holes Along Width | 5.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Housing Width | 8.000 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Bore Diameter | 3.0000 INCHES MINIMUM AND 3.0150 INCHES MAXIMUM IN |
| Material | STEEL COMP 60-30 OVERALL |
| Housing Length | 4.000 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 457-P4-303 PRIMARY | Vigor Works Llc Dba Vigor Works (USA) |
NSN 3130-01-338-6993 is a Housing,bearing Unit, manufactured by Vigor Works Llc Dba Vigor Works, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-338-6993 has 1 manufacturer part number on file: 457-P4-303 (Vigor Works Llc Dba Vigor Works).
Key specifications for 457-P4-303: Mounting Hole Type: ROUND, THREADED; Material Document and Classification: ASTM A27 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Center to Center Distance Between Mounting Holes Along Width: 5.000 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES IN. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.