The Lock Assembly,quick Disconnect, cataloged under National Stock Number 1670-00-251-0719, is classified within Federal Supply Class 1670 (Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment) of the Aircraft Components and Accessories group. The manufacturer of record is Aero Components, Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1670-00-251-0719 |
| Primary Part Number | 4N21444-101A |
| Item Name | Lock Assembly,quick Disconnect |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | Aero Components, Llc |
| Status | ACTIVE |
| General Characteristics Item Description | U/0 C5 ACFT |
| 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 |
|---|---|
| 4N21444-101A | Aero Components, Llc (USA) |
| 4N21444-101A | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| 4N21444-101A | A and M Aerospace, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4N21444-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1670-00-251-0719 is a Lock Assembly,quick Disconnect, manufactured by Aero Components, Llc, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-00-251-0719 has 3 manufacturer part numbers on file: 4N21444-101A (Aero Components, Llc), 4N21444-101A (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co), 4N21444-101A (A and M Aerospace, Inc.).
Key specifications for 4N21444-101A: General Characteristics Item Description: U/0 C5 ACFT. 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.