The Circuit Breaker, cataloged under National Stock Number 5925-00-403-6282, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems. Government technical data includes 26 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government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 | 5925-00-403-6282 |
| Primary Part Number | 665598B91103-11 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems |
| Status | ACTIVE |
| Reset Method | MANUAL |
| Mounting Facility Type and Quantity | 6 THREADED HOLE(S) |
| Actuator Position Designation | AT EACH POLE |
| Center to Center Distance Between Terminals Parallel to Width | 0.750 INCHES NOMINAL IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | MULTIPOLE-MULTIPLE ACTUATOR TYPE |
| External Actuator Linkage Arrangement | ONE, TWO, AND THREE LINKED |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Length | 2.060 INCHES NOMINAL IN |
| Arc Quenching Method | AIR |
| Body Width | 2.280 INCHES NOMINAL IN |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Pole Quantity | 3 |
| Mounting Surface to Terminal End Distance | 2.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.138 INCHES IN |
| Body Length | 2.490 INCHES NOMINAL IN |
| Manual Actuator Type and Quantity | 3 TOGGLE |
| Distance Between Centerlines of Mounting Facilities Parallel to Body Width | 0.750 INCHES NOMINAL IN |
| Inclosure Protection Type for Which Designed | FUNGUS RESISTANT AND MOISTURE RESISTANT |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC CASE |
| Actuator Function | TRIP-RESET |
| Terminal Type and Quantity | 6 THREADED STUD |
| Main Contact Tripping Mechanism Type | TRIP FREE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Boss Height | 0.150 INCHES NOMINAL IN |
| Center to Center Distance Between Terminals Parallel to Length | 1.940 INCHES NOMINAL IN |
| 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 |
|---|---|
| 665598B91103-11 | Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 020-400-0000-00 | 5/9 Secondary reference U.S. Government activity |
| 020-400-0000-03 | 5/9 Secondary reference U.S. Government activity |
| APL111-609-111 | 3/2 Design control — primary reference U.S. Government activity |
| 665598B91103-11 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5925-00-403-6282 is a Circuit Breaker, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-00-403-6282 has 1 manufacturer part number on file: 665598B91103-11 (Lockheed Martin Corporation Dba Lockheed Martin Div Rotary and Mission Systems).
6 possible matches (shared part number, not a government interchangeability claim): 5925-00-449-1671, 5925-00-449-1673, 5925-00-449-1674. Verify interchangeability with system specifications before substitution.
Key specifications for 665598B91103-11: Reset Method: MANUAL; Mounting Facility Type and Quantity: 6 THREADED HOLE(S); Actuator Position Designation: AT EACH POLE; Center to Center Distance Between Terminals Parallel to Width: 0.750 INCHES NOMINAL IN. 26 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.