The Clamp Assembly,actu, cataloged under National Stock Number 1670-00-754-4051, 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 Cpi Aerostructures Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Clamp Assembly,actu |
| FSC / FSG | 1670 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment (FSG 16) |
| Manufacturers | Cpi Aerostructures Inc (CAGE 9U679); Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (CAGE 17772) |
| Parameter | Value |
|---|---|
| NSN | 1670-00-754-4051 |
| Primary Part Number | 4N21320-101C |
| Item Name | Clamp Assembly,actu |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | Cpi Aerostructures Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4N21320-101C | Cpi Aerostructures Inc (USA) |
| 4N21320-101C | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 4N21320-101C | 5/2 Secondary reference U.S. Government activity |
| 4N21320-101A | 5/9 Secondary reference U.S. Government activity |
| 4N21320-101C | 3/2 Design control — primary reference U.S. Government activity |
| 4N21320-101B | 5/9 Secondary reference U.S. Government activity |
NSN 1670-00-754-4051 is a Clamp Assembly,actu, manufactured by Cpi Aerostructures Inc, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-00-754-4051 has 2 manufacturer part numbers on file: 4N21320-101C (Cpi Aerostructures Inc), 4N21320-101C (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
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 1670-00-754-4051 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.