The Lock Assy,aircraft, cataloged under National Stock Number 1680-01-538-8448, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is The Entwistle Company Llc. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-538-8448 |
| Primary Part Number | 627853-1 |
| Item Name | Lock Assy,aircraft |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 627853-1 | The Entwistle Company Llc (USA) |
| 627853-1 | Duhadaway Tool & Die Shop Inc (USA) |
| 627853-1 | Penn State Tool & Die Corp (USA) |
| 627853-1 | Pre-Mach Inc (USA) |
| 627853-1 | York Precision Machining and Hydraulics, Llc (USA) |
| Reference | Meaning |
|---|---|
| 627853-1 | 5/2 Secondary reference U.S. Government activity |
| 627853-1 | 5/9 Secondary reference U.S. Government activity |
| 627853-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1680-01-538-8448 is a Lock Assy,aircraft, manufactured by The Entwistle Company Llc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-538-8448 has 5 manufacturer part numbers on file: 627853-1 (The Entwistle Company Llc), 627853-1 (Duhadaway Tool & Die Shop Inc), 627853-1 (Penn State Tool & Die Corp), 627853-1 (Pre-Mach Inc), 627853-1 (York Precision Machining and Hydraulics, Llc).
Key specifications for 627853-1: Special Features: SEE DWG 626752 FOR COMPONENT DETAILS; MATERIAL: TITANIUM; Part Name Assigned by Controlling Agency: LAUNCH VALVE LOCK ASSEMBLY; INAVY: ASSY LOCK LV,AIRCRAFT; End Item Identification: 4R/5R COG ITEMS MANAGED BY BRASO. 0 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.
NSN 1680-01-538-8448 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.