The Block Assembly,bottom, cataloged under National Stock Number 3950-00-398-4710, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is The Entwistle Company Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3950-00-398-4710 |
| Primary Part Number | C10601 |
| Item Name | Block Assembly,bottom |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 2 BOLTS P/N AF-65-830;2 WASHERS P/NW143;2 NUTS P/N N-7-5;1 FRAME P/N HA1982;1 SHEAVE P/N HB4332;1 STUD P/N HD72241 RING P/N HD2244-7;1 BEARING P/N ASB2088;2 NUTS P/N HD7570-32;1 NUT P/N N7-10;1 SWIVEL @ASSY P/N C-14 |
| 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 |
|---|---|
| C10601 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| HA1981-2 | 5/9 Secondary reference Robbins and Myers Inc |
NSN 3950-00-398-4710 is a Block Assembly,bottom, manufactured by The Entwistle Company Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-00-398-4710 has 1 manufacturer part number on file: C10601 (The Entwistle Company Llc).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-519-7505. Verify interchangeability with system specifications before substitution.
Key specifications for C10601: General Characteristics Item Description: CONSISTS OF 2 BOLTS P/N AF-65-830;2 WASHERS P/NW143;2 NUTS P/N N-7-5;1 FRAME P/N HA1982;1 SHEAVE P/N HB4332;1 STUD P/N HD72241 RING P/N HD2244-7;1 BEARING P/N ASB2088;2 NUTS P/N HD7570-32;1 NUT P/N N7-10;1 SWIVEL @ASSY P/N C-14. 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.