The Timer,sequential, cataloged under National Stock Number 6645-01-018-7664, is classified within Federal Supply Class 6645 (Time Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Dynapar Corp Div Specialty Product Technologies. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6645-01-018-7664 |
| Primary Part Number | 19112S0053Z6 |
| Item Name | Timer,sequential |
| FSC / FSG | 6645 / 66 — Time Measuring Instruments |
| Manufacturer | Dynapar Corp Div Specialty Product Technologies |
| Status | ACTIVE |
| Time Indicator Total Capacity | 16 HR |
| 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 |
|---|---|
| 19112S0053Z6 PRIMARY | Dynapar Corp Div Specialty Product Technologies (USA) |
| Reference | Meaning |
|---|---|
| 19199S0053Z6 | 5/9 Secondary reference Gulf and Western Mfg Co Eagle Signal Systems Div |
| 371AS179-1 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| 19112S0053Z6 | 5/9 Secondary reference Gulf and Western Mfg Co Eagle Signal Systems Div |
| 371AS179-1 | 5/9 Secondary reference Acme Electric Corporation Dba Advanced Energy Systms Aerospa Div Aerospace Division |
| 191S005399Z | 5/9 Secondary reference Gulf and Western Mfg Co Eagle Signal Systems Div |
NSN 6645-01-018-7664 is a Timer,sequential, manufactured by Dynapar Corp Div Specialty Product Technologies, classified under FSC 6645, Time Measuring Instruments. Status: active.
NSN 6645-01-018-7664 has 1 manufacturer part number on file: 19112S0053Z6 (Dynapar Corp Div Specialty Product Technologies).
1 possible match (shared part number, not a government interchangeability claim): 6645-01-284-1157. Verify interchangeability with system specifications before substitution.
Key specifications for 19112S0053Z6: Time Indicator Total Capacity: 16 HR; End Item Identification: AIRCRAFT MODEL T-2C. 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.