The Key,heater, cataloged under National Stock Number 5120-01-561-8929, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Timber Edge Machine Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5120-01-561-8929 |
| Primary Part Number | SC-B-578353 |
| Item Name | Key,heater |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Timber Edge Machine Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | OAK WITH CLEAR VARNISH FINISH; 1-1/8 IN. DIA X 9-1/2 IN. LG; CROSS SLOTTED AT ONE END; 1/8 IN. SLOT WIDTH X 1/2 IN. SLOT DEPTH; MARKED WITH WORDS "HEATER KEY" IN |
| 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 |
|---|---|
| SC-B-578353 PRIMARY | Timber Edge Machine Inc. (USA) |
| Reference | Meaning |
|---|---|
| SC-B-578353 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5120-01-561-8929 is a Key,heater, manufactured by Timber Edge Machine Inc., classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-561-8929 has 1 manufacturer part number on file: SC-B-578353 (Timber Edge Machine Inc.).
Key specifications for SC-B-578353: General Characteristics Item Description: OAK WITH CLEAR VARNISH FINISH; 1-1/8 IN. DIA X 9-1/2 IN. LG; CROSS SLOTTED AT ONE END; 1/8 IN. SLOT WIDTH X 1/2 IN. SLOT DEPTH; MARKED WITH WORDS "HEATER KEY" IN; End Item Identification: AN/ASM-146 SHELTER MOUNTED ELECTRONIC SHOP. 1 specification is 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.