The Support,screw, cataloged under National Stock Number 3950-01-278-1050, is classified within Federal Supply Class 3950 (Winches, Hoists, Cranes, and Derricks) of the Materials Handling Equipment group. The manufacturer of record is Derbyshire Machine & Tool Co. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 3950-01-278-1050 |
| Primary Part Number | 87615-2003A ITEM 8 |
| Item Name | Support,screw |
| FSC / FSG | 3950 / 39 — Winches, Hoists, Cranes, and Derricks |
| Manufacturer | Derbyshire Machine & Tool Co |
| Status | ACTIVE |
| General Characteristics Item Description | CIRCULAR SHAPE; 7.690 IN. OD; 6.750 IN. ID; 1.000 IN. THK; 6 HOLES DRILLED THRU,0.344 IN. DIA EQUALLY SPACED; 1 CENTER HOLE,2.620 IN. OD,1.620 IN. ID; NICKEL,ALUMINUM AND BRONZE MATERIAL,POLYTETRAFLUOROETHYLENE COATED IN |
| 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 |
|---|---|
| 87615-2003A ITEM 8 PRIMARY | Derbyshire Machine & Tool Co (USA) |
| Reference | Meaning |
|---|---|
| 520-4863665 ITEM 8 | 5/2 Secondary reference U.S. Government activity |
| 520-4863665 | D/9 Drawing number reference only U.S. Government activity |
| 87615-2003A | D/9 Drawing number reference only U.S. Government activity |
| 87615-2003A ITEM 8 | 3/2 Design control — primary reference U.S. Government activity |
NSN 3950-01-278-1050 is a Support,screw, manufactured by Derbyshire Machine & Tool Co, classified under FSC 3950, Winches, Hoists, Cranes, and Derricks. Status: active.
NSN 3950-01-278-1050 has 1 manufacturer part number on file: 87615-2003A ITEM 8 (Derbyshire Machine & Tool Co).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-278-2730. Verify interchangeability with system specifications before substitution.
Key specifications for 87615-2003A ITEM 8: General Characteristics Item Description: CIRCULAR SHAPE; 7.690 IN. OD; 6.750 IN. ID; 1.000 IN. THK; 6 HOLES DRILLED THRU,0.344 IN. DIA EQUALLY SPACED; 1 CENTER HOLE,2.620 IN. OD,1.620 IN. ID; NICKEL,ALUMINUM AND BRONZE MATERIAL,POLYTETRAFLUOROETHYLENE COATED IN. 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.