The Housing,bearing Unit, cataloged under National Stock Number 3130-01-307-4020, is classified within Federal Supply Class 3130 (Bearings, Mounted) of the Bearings group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 15 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 | 3130-01-307-4020 |
| Primary Part Number | 13025096 |
| Item Name | Housing,bearing Unit |
| FSC / FSG | 3130 / 31 — Bearings, Mounted |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Assembly Overall Length | 41.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | QQ-P-35,TYPE II FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| Flange Thickness | 6.096 MILLIMETERS MINIMUM AND 7.620 MILLIMETERS MAXIMUM MM |
| Mounting Hole Type | ROUND, UNTHREADED |
| Style Designator | FLANGE BLOCK |
| Material Document and Classification | MIL-S-6721,321 MIL SPEC 1ST MATERIAL RESPONSE HOUSING |
| Material Document and Classification | QQ-S-763,321 COND A FED SPEC 1ST MATERIAL RESPONSE COLLAR |
| Mounting Hole Diameter | 8.97 MILLIMETERS MINIMUM AND 9.16 MILLIMETERS MAXIMUM MM |
| Housing Width | 72.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Bore Diameter | 23.8280 MILLIMETERS MINIMUM AND 23.840 MILLIMETERS MAXIMUM MM |
| Material | STEEL COMP 321 COLLAR |
| Material | STEEL COMP 321 HOUSING |
| Housing Length | 15.50 MILLIMETERS NOMINAL MM |
| Center to Center Distance Between Mounting Holes Along Side of a Square | 54.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 13025096 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 3130-01-307-4020 is a Housing,bearing Unit, manufactured by Us Army Aviation and Missile Command, classified under FSC 3130, Bearings, Mounted. Status: active.
NSN 3130-01-307-4020 has 1 manufacturer part number on file: 13025096 (Us Army Aviation and Missile Command).
Key specifications for 13025096: Assembly Overall Length: 41.0 MILLIMETERS NOMINAL MM; Surface Treatment Document and Classification: QQ-P-35,TYPE II FED SPEC 1ST TREATMENT RESPONSE OVERALL; Flange Thickness: 6.096 MILLIMETERS MINIMUM AND 7.620 MILLIMETERS MAXIMUM MM; Mounting Hole Type: ROUND, UNTHREADED. 15 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.