The Boom,hoist Support, cataloged under National Stock Number 3950-01-561-3701, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Whelan Machine & Tool, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3950-01-561-3701 |
| Primary Part Number | 8196559 |
| Item Name | Boom,hoist Support |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Whelan Machine & Tool, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 8196559 PRIMARY | Whelan Machine & Tool, Llc (USA) |
| Reference | Meaning |
|---|---|
| 8196559 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 3950-01-561-3701 is a Boom,hoist Support, manufactured by Whelan Machine & Tool, Llc, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-561-3701 has 1 manufacturer part number on file: 8196559 (Whelan Machine & Tool, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4520-01-597-1601. Verify interchangeability with system specifications before substitution.
Key specifications for 8196559: Special Features: FOR INSTALLATIONS ONBOARD L CLASS SHIPS; Part Name Assigned by Controlling Agency: BOOM,LOADER; End Item Identification: NHA: MK19 MOD0, LOADER RAM. 0 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.