The Clock,panel, cataloged under National Stock Number 6645-00-880-5927, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Waltham Aircraft Clock Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 6645-00-880-5927 |
| Primary Part Number | 400252 |
| Item Name | Clock,panel |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Waltham Aircraft Clock Corp |
| Status | CANCELLED |
| Dial Quantity | 1 |
| Material | ALUMINUM CASE |
| Specification/standard Data | 81349-MIL-C-6499 GOVERNMENT SPECIFICATION |
| Escapement Type | LEVER |
| Chime Mechanism | NOT INCLUDED |
| Nonmagnetic Characteristic | INCLUDED |
| Second Hand Color | BLACK, LUSTERLESS |
| Nondefinitive Spec/std Data | A13A2 TYPE |
| Movement Type | MECHANICAL |
| Maximum Running Time | 8.0 DAYS |
| Surface Treatment | PAINT LUSTERLESS CASE |
| Surface Treatment Document and Classification | FN-10, NORTH AMERICAN PHILIPS CONTROLS CORP MFR REF SINGLE TREATMENT RESPONSE CASE |
| Winding Device Location | FACE |
| Increment in Hours | 12.000 |
| Second Hand Type | SWEEP |
| Mechanical Movement Type | SPRING WOUND |
| Outside Diameter | 1.875 INCHES NOMINAL IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| A13A2 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 400252 PRIMARY | Waltham Aircraft Clock Corp (USA) |
| MILC6499C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 400252 | Waltham Clock Co Inc (USA) |
| 400192 | Waltham Clock Co Inc (USA) |
NSN 6645-00-880-5927 is a Clock,panel, manufactured by Waltham Aircraft Clock Corp, classified under FSC 6645 (No Item Name Available). Status: cancelled.
NSN 6645-00-880-5927 has 5 cross-referenced part numbers: A13A2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 400252 (Waltham Aircraft Clock Corp), MILC6499C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 400252 (Waltham Clock Co Inc), 400192 (Waltham Clock Co Inc).
There are 12 known substitutes for 6645-00-880-5927: 5950-00-022-7474, 6645-00-084-1424, 6645-00-150-6526 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 400252: Dial Quantity: 1; Material: ALUMINUM CASE; Specification/standard Data: 81349-MIL-C-6499 GOVERNMENT SPECIFICATION; Escapement Type: LEVER. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 6645-00-880-5927 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.