The Locknut,neurosurgical Headrest, cataloged under National Stock Number 6530-01-166-3511, is classified within Federal Supply Class 6530 (Hospital Furniture, Equipment, Utensils, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Codman & Shurtleff Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6530-01-166-3511 |
| Primary Part Number | 35-1092 |
| Item Name | Locknut,neurosurgical Headrest |
| FSC / FSG | 6530 / 65 — Hospital Furniture, Equipment, Utensils, and Supplies |
| Manufacturer | Codman & Shurtleff Inc |
| Status | ACTIVE |
| Material | STEEL CORROSION RESISTING LEG STRAP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 35-1092 PRIMARY | Codman & Shurtleff Inc (USA) |
| LOCKNUT | Schaerer Medical Usa, Inc. Div Na (USA) |
| Reference | Meaning |
|---|---|
| 41A1135A | 5/9 Secondary reference Schaerer Medical Usa, Inc. Div Na |
| 41A1135B | 3/1 Design control — primary reference Schaerer Medical Usa, Inc. Div Na |
NSN 6530-01-166-3511 is a Locknut,neurosurgical Headrest, manufactured by Codman & Shurtleff Inc, classified under FSC 6530, Hospital Furniture, Equipment, Utensils, and Supplies. Status: active.
NSN 6530-01-166-3511 has 2 manufacturer part numbers on file: 35-1092 (Codman & Shurtleff Inc), LOCKNUT (Schaerer Medical Usa, Inc. Div Na).
1 possible match (shared part number, not a government interchangeability claim): 6530-01-167-6652. Verify interchangeability with system specifications before substitution.
Key specifications for 35-1092: Special Features: 9.5 MM DIAMETER; W/LEG STRAP; REPLACEMENT LOCKNUT FOR USE WITH MAYFIELD NEUROSURGICAL HEADREST MM; Part Name Assigned by Controlling Agency: LOCKNUT 9.5" DIA CRES REPLACEMENT U/W NEUROSURGICAL HEADREST; Material: STEEL CORROSION RESISTING LEG STRAP. 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.