The Side Frame,hoistractor, cataloged under National Stock Number 3950-01-144-7811, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Level 10 Industries, Inc. Div Level 10 Industries. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3950-01-144-7811 |
| Primary Part Number | 507191 |
| Item Name | Side Frame,hoistractor |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Level 10 Industries, Inc. Div Level 10 Industries |
| Status | ACTIVE |
| General Characteristics Item Description | CAST STEEL; 4300 LBS MAX LOAD RATING LBS |
| 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 |
|---|---|
| 507191 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| 507657 PRIMARY | Level 10 Industries, Inc. Div Level 10 Industries (USA) |
| Reference | Meaning |
|---|---|
| PL86-75113CA7 FIG 30 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 507191 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| PL86-751137CA7 FIG 37-SH-10840 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| PL86-75113CA7 F | C/1 Advisory reference — outside the item-of-supply concept Cooper Industries Inc Dba Cooper Tools |
| 507657 | 5/9 Secondary reference Cooper Industries Inc Dba Cooper Tools |
| 507191 | 5/9 Secondary reference Tool House Inc., the |
NSN 3950-01-144-7811 is a Side Frame,hoistractor, manufactured by Level 10 Industries, Inc. Div Level 10 Industries, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-144-7811 has 2 manufacturer part numbers on file: 507191 (Level 10 Industries, Inc. Div Level 10 Industries), 507657 (Level 10 Industries, Inc. Div Level 10 Industries).
1 possible match (shared part number, not a government interchangeability claim): 7690-01-295-6325. Verify interchangeability with system specifications before substitution.
Key specifications for 507191: General Characteristics Item Description: CAST STEEL; 4300 LBS MAX LOAD RATING LBS. 1 specification is 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.