The Heating Element,electrical,nonim, cataloged under National Stock Number 4520-01-149-6527, is classified within Federal Supply Class 4520 (Space and Water Heating Equipment) of the Plumbing, Heating, and Waste Disposal group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4520-01-149-6527 |
| Primary Part Number | 691156-2 |
| Item Name | Heating Element,electrical,nonim |
| FSC / FSG | 4520 / 45 — Space and Water Heating Equipment |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Phase | THREE SINGLE VOLTAGE |
| Frequency in Hertz | 400.0 |
| Terminal Quantity | 2 |
| Voltage in Volts and Current Type | 115.0 AC SINGLE VOLTAGE |
| Body Style | ODD/IRREGULAR SHAPED ITEMS |
| Maximum Wattage Rating in Watts | 36.0 SINGLE VOLTAGE |
| Terminal Length | 6.000 INCHES MINIMUM IN |
| Element Connection Style | WIRE LEAD |
| Material Document and Classification | MIL-A-148 MIL SPEC SINGLE MATERIAL RESPONSE RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Material Document and Classification | MIL-N-6840 MIL SPEC SINGLE MATERIAL RESPONSE RESISTANCE WIRE |
| Material Document and Classification | MIL-P-46112,TY II,GR A MIL SPEC SINGLE MATERIAL RESPONSE SHEATH |
| Heat Quantity | 1 |
| Watt Density Rating | 0.74 PER SQUARE INCH SINGLE VOLTAGE |
| Element Radiation Spectrum | NONINFRARED |
| Width | 0.140 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY RESISTANCE WIRE |
| Material | PLASTIC POLYAMIDE NYLON SHEATH |
| Material | ALUMINUM RESISTANCE WIRE EMBEDDING/SUPPORT INSULATION |
| Element Quantity | 1 |
| 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 |
|---|---|
| 691156-2 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 691156-0002 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
NSN 4520-01-149-6527 is a Heating Element,electrical,nonim, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4520, Space and Water Heating Equipment. Status: active.
NSN 4520-01-149-6527 has 1 manufacturer part number on file: 691156-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 691156-2: Phase: THREE SINGLE VOLTAGE; Frequency in Hertz: 400.0; Terminal Quantity: 2; Voltage in Volts and Current Type: 115.0 AC SINGLE VOLTAGE. 19 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.