The Relay,solid State, cataloged under National Stock Number 5945-01-276-4725, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-276-4725 |
| Primary Part Number | M21-154 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne 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 |
|---|---|
| M21-154 PRIMARY | Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc (USA) |
| 84177-009 | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| Reference | Meaning |
|---|---|
| 434210-1 | 7/2 Vendor item drawing reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| M21-15Y | 5/9 Secondary reference Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc |
| 621-15 | 5/9 Secondary reference Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc |
NSN 5945-01-276-4725 is a Relay,solid State, manufactured by Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-276-4725 has 2 manufacturer part numbers on file: M21-154 (Teledyne Solid State Products Div Teledyne Industries Sub of Teledyne Inc), 84177-009 (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-409-1629, 5307-01-658-0504. Verify interchangeability with system specifications before substitution.
Key specifications for M21-154: Special Features: SPSTNO; 40 AMPS AT 480 VAC,60 HZ; OPTICALLY ISOLATED; 90 TO 250 VAC CONTROL VOLTAGE RANGE; 18 MA MAX INPUT CURRENT AT 250 VAC; PLASTIC CASE; 2.805 IN. MAX LG; 1.760 IN. MAX W; 1.210 IN. MAX H; TWO 0.178 IN. DIA MTG HOLES SPACED 1.875 IN. C TO C; SCREW TERMINALS VAC; End Item Identification: B1B AIRCRAFT. 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.