The Clock,panel, cataloged under National Stock Number 6645-00-557-0320, is classified within Federal Supply Class 6645 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Wakmann Watch Company Inc. This item has 15 commercial cross-references from 9 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 | 6645-00-557-0320 |
| Primary Part Number | W33-7510-10 |
| Item Name | Clock,panel |
| FSC / FSG | 6645 / 66 — No Item Name Available |
| Manufacturer | Wakmann Watch Company Inc |
| Status | CANCELLED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| AN5743-2 | Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss) (USA) |
| 26-86010-001 | Swearingen Aviation Corp (USA) |
| AN5743-1 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| W33-7510-10LA | Wakmann Watch Company Inc (USA) |
| AN5743A | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| AN5743-2 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MILC7938TYPEAN5743T1A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILC7939A | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 22809T2 | Waltham Clock Co Inc (USA) |
| 22809B2 | Waltham Clock Co Inc (USA) |
| AN5743-2 | Aeronautical Standards Group Dept of Navy and Air Force (USA) |
| W33-7510-10 PRIMARY | Wakmann Watch Company Inc (USA) |
| 2159 | Elgin National Industries Inc (USA) |
| 26-5003-1 | Spartan Aviation Inc (USA) |
| MILC7939 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
NSN 6645-00-557-0320 is a Clock,panel, manufactured by Wakmann Watch Company Inc, classified under FSC 6645 (No Item Name Available). Status: cancelled.
NSN 6645-00-557-0320 has 15 cross-referenced part numbers: AN5743-2 (Air Force Lifecycle Management Center Electronic Components (aflcmc/ezss)), 26-86010-001 (Swearingen Aviation Corp), AN5743-1 (Aeronautical Standards Group Dept of Navy and Air Force), W33-7510-10LA (Wakmann Watch Company Inc), AN5743A (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 10 more.
There are 12 known substitutes for 6645-00-557-0320: 4320-00-033-2577, 3110-00-158-8449, 6645-00-556-8105 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for W33-7510-10: Overall Height: 2.375 INCHES NOMINAL IN; Overall Width: 2.375 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: CLOCK,AIRCRAFT,MECHANICAL. 3 total characteristics are documented in the Federal Logistics Information System.
NSN 6645-00-557-0320 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.