The Link Assembly,coupling, cataloged under National Stock Number 1670-01-358-7443, 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 Tronson Manufacturing, Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1670-01-358-7443 |
| Primary Part Number | 25519-1 |
| Item Name | Link Assembly,coupling |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | Tronson Manufacturing, Inc |
| Status | ACTIVE |
| General Characteristics Item Description | CONSIST OF MALE LINK,P/N 25519-2; THIMBLE PIN,P/N 25519-3 |
| 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 |
NSN 1670-01-358-7443 is a Link Assembly,coupling, manufactured by Tronson Manufacturing, Inc, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-01-358-7443 has 2 manufacturer part numbers on file: 25519-1 (Tronson Manufacturing, Inc), 25519-1 (United States Department of the Navy Dba Naval Surface Warfare Center Panama City).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-414-1873. Verify interchangeability with system specifications before substitution.
Key specifications for 25519-1: General Characteristics Item Description: CONSIST OF MALE LINK,P/N 25519-2; THIMBLE PIN,P/N 25519-3; End Item Identification: COUNTERMEASURES SYSTEM. 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 1670-01-358-7443 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.