The Absorber,overvoltage, cataloged under National Stock Number 5920-01-045-9979, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Diversified Electronics Manufacturing Dba a & J Industries Inc.. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 5920-01-045-9979 |
| Primary Part Number | PA3-1 |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Diversified Electronics Manufacturing Dba a & J Industries Inc. |
| Status | ACTIVE |
| Terminal Quantity | 2 |
| Current Type | DC |
| Terminal Type | SCREW AND SOLDERLESS LUG |
| Mounting Method | HOLE(S) AND TERMINAL |
| Polarization Feature | INCLUDED |
| Voltage in Volts | 28.0 |
| Mounting Configuration | TWO 0.140 IN DIA HOLES SPACED 0.800 IN CTOC INLINE WITH SOLDER LUG IN |
| Shunt Capacitor | NOT INCLUDED |
| Material | PLASTIC PHENOLIC ELEMENT |
| Protected Item Name | PRINTER CIRCUIT BOARD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| PA3-1 PRIMARY | Diversified Electronics Manufacturing Dba a & J Industries Inc. (USA) |
| Reference | Meaning |
|---|---|
| PA3-1 | 5/9 Secondary reference Acudata Systems Co Inc |
NSN 5920-01-045-9979 is a Absorber,overvoltage, manufactured by Diversified Electronics Manufacturing Dba a & J Industries Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-045-9979 has 1 manufacturer part number on file: PA3-1 (Diversified Electronics Manufacturing Dba a & J Industries Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-292-9181, 5930-01-363-5685. Verify interchangeability with system specifications before substitution.
Key specifications for PA3-1: Overall Height: 1.950 INCHES NOMINAL IN; Terminal Quantity: 2; Current Type: DC; Terminal Type: SCREW AND SOLDERLESS LUG. 10 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.