The Arm,lock Control, cataloged under National Stock Number 1670-00-463-5887, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1670-00-463-5887 |
| Primary Part Number | 4N21295-101A |
| Item Name | Arm,lock Control |
| 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 | CRES,AMS5355,17-4PH,CONDITION H1075,5.160 IN. LG,2.040 IN. W,1.800 IN. H,IRREGULAR SHAPE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4N21295-101A | Aero Components, Llc (USA) |
| 4N21295-101A | Cpi Aerostructures Inc (USA) |
| 4N21295-101A | Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co (USA) |
| Reference | Meaning |
|---|---|
| 4N21295-101A | 5/2 Secondary reference U.S. Government activity |
| 4N21295-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 1670-00-463-5887 is a Arm,lock Control, manufactured by Aero Components, Llc, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-00-463-5887 has 3 manufacturer part numbers on file: 4N21295-101A (Aero Components, Llc), 4N21295-101A (Cpi Aerostructures Inc), 4N21295-101A (Aero Engineering & Manufacturing Company of California, Llc Dba Aeroengineering & Manufacturing Co).
Key specifications for 4N21295-101A: General Characteristics Item Description: CRES,AMS5355,17-4PH,CONDITION H1075,5.160 IN. LG,2.040 IN. W,1.800 IN. H,IRREGULAR SHAPE 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 1670-00-463-5887 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.