The Switch Subassembly, cataloged under National Stock Number 5930-01-302-2801, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Shiloh Industries Inc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-302-2801 |
| Primary Part Number | 521537-2 |
| Item Name | Switch Subassembly |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Shiloh Industries Inc |
| Status | ACTIVE |
| Component Type and Quantity | 1 WASHER AND 2 SPACER AND 1 CONTACT AND 1 SCREW |
| Overall Diameter | 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 521537-2 PRIMARY | Shiloh Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| PTMW27 | 5/9 Secondary reference U.S. Government activity |
| 521537-2 | 7/2 Vendor item drawing reference U.S. Government activity |
| PTMW27 | C/1 Advisory reference — outside the item-of-supply concept General Electric Company Dba Ge Structured Services Div General Electric Structured Services, Lp |
NSN 5930-01-302-2801 is a Switch Subassembly, manufactured by Shiloh Industries Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-302-2801 has 1 manufacturer part number on file: 521537-2 (Shiloh Industries Inc).
Key specifications for 521537-2: Component Type and Quantity: 1 WASHER AND 2 SPACER AND 1 CONTACT AND 1 SCREW; Overall Diameter: 2.090 INCHES MINIMUM AND 2.110 INCHES MAXIMUM IN; Criticality Code Justification: FEAT; Overall Length: 3.410 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN. 3 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.