The Locking Plate Retainer, cataloged under National Stock Number 1730-01-018-3143, is classified within Federal Supply Class 1730 (Aircraft Ground Servicing Equipment) of the Aircraft Launch, Landing, and Ground Handling Equipment group. The manufacturer of record is The Entwistle Company Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1730-01-018-3143 |
| Primary Part Number | 517AS324 |
| Item Name | Locking Plate Retainer |
| FSC / FSG | 1730 / 17 — Aircraft Ground Servicing Equipment |
| Manufacturer | The Entwistle Company Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL QQ-S-637 COMP C1213,BLACK OXIDE MIL-C-13924 CL 1,1.243 IN. MIN,1.248 IN. MAX O/A DIA,0.274 IN. O/A H,0.760 IN. MIN,0.765 IN. MAX ID IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 517AS324 PRIMARY | The Entwistle Company Llc (USA) |
| Reference | Meaning |
|---|---|
| 517AS324 | 7/2 Vendor item drawing reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1730-01-018-3143 is a Locking Plate Retainer, manufactured by The Entwistle Company Llc, classified under FSC 1730, Aircraft Ground Servicing Equipment. Status: active.
NSN 1730-01-018-3143 has 1 manufacturer part number on file: 517AS324 (The Entwistle Company Llc).
Key specifications for 517AS324: General Characteristics Item Description: STEEL QQ-S-637 COMP C1213,BLACK OXIDE MIL-C-13924 CL 1,1.243 IN. MIN,1.248 IN. MAX O/A DIA,0.274 IN. O/A H,0.760 IN. MIN,0.765 IN. MAX ID IN. 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.
NSN 1730-01-018-3143 has DEMIL Code B. 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.