The Srew,spinal Fixation System, cataloged under National Stock Number 6515-01-565-1077, is classified within Federal Supply Class 6515 (Medical and Surgical Instruments, Equipment, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Blackstone Medical, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6515-01-565-1077 |
| Primary Part Number | 56-3550 |
| Item Name | Srew,spinal Fixation System |
| FSC / FSG | 6515 / 65 — Medical and Surgical Instruments, Equipment, and Supplies |
| Manufacturer | Blackstone Medical, Inc. |
| 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 |
|---|---|
| 56-3550 PRIMARY | Blackstone Medical, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 55-3550 | 5/9 Secondary reference Blackstone Medical, Inc. |
NSN 6515-01-565-1077 is a Srew,spinal Fixation System, manufactured by Blackstone Medical, Inc., classified under FSC 6515, Medical and Surgical Instruments, Equipment, and Supplies. Status: active.
NSN 6515-01-565-1077 has 1 manufacturer part number on file: 56-3550 (Blackstone Medical, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5999-01-656-4209. Verify interchangeability with system specifications before substitution.
Key specifications for 56-3550: Special Features: MULTI-AXIAL; 5.5 X 50 MM; SELF-ADJUSTING TOP LOCK DESIGN; BALL HEAD AND TAPERED WEDGE ARRANGEMENT MM; Part Name Assigned by Controlling Agency: PEDICLE SCREW. 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.