The Switch,proximity, cataloged under National Stock Number 5930-01-651-5637, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sps Technologies Llc Dba PB Fasteners Div PB Fasteners. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Switch,proximity |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (CAGE 27624); Decatur Machine Services Llc (CAGE 1JEQ5); Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (CAGE 16258); R.g.h. Associates, Inc. Dba Richards Screw Machine (CAGE 2Y283) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-651-5637 |
| Primary Part Number | PBF1730-2 |
| Item Name | Switch,proximity |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| PBF1730-2 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| DMSQ26-2 PRIMARY | Decatur Machine Services Llc (USA) |
| SLB650-2 PRIMARY | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| RTQ26-2 PRIMARY | R.g.h. Associates, Inc. Dba Richards Screw Machine (USA) |
| Reference | Meaning |
|---|---|
| JSFQ26-2 | 1/2 Source control — Government-approved source U.S. Government activity |
| JSFQ26 | D/9 Drawing number reference only U.S. Government activity |
NSN 5930-01-651-5637 is a Switch,proximity, manufactured by Sps Technologies Llc Dba PB Fasteners Div PB Fasteners, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-651-5637 has 4 manufacturer part numbers on file: PBF1730-2 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), DMSQ26-2 (Decatur Machine Services Llc), SLB650-2 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), RTQ26-2 (R.g.h. Associates, Inc. Dba Richards Screw Machine).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-651-5649, 5930-01-666-0279. Verify interchangeability with system specifications before substitution.
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.