The Tie Down,cargo,aircraft, cataloged under National Stock Number 1670-01-538-2835, 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 Cortland Company, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1670-01-538-2835 |
| Primary Part Number | 94H521-1 |
| Item Name | Tie Down,cargo,aircraft |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | Cortland Company, Inc. |
| Status | ACTIVE |
| Furnished Hardware | SNAP HOOKS 2, EYELETS 10 |
| 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 |
|---|---|
| 94H521-1 PRIMARY | Cortland Company, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 94H521 | D/9 Drawing number reference only U.S. Government activity |
| 94H521-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 1670-01-538-2835 is a Tie Down,cargo,aircraft, manufactured by Cortland Company, Inc., classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-01-538-2835 has 1 manufacturer part number on file: 94H521-1 (Cortland Company, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 1670-01-538-8611. Verify interchangeability with system specifications before substitution.
Key specifications for 94H521-1: Furnished Hardware: SNAP HOOKS 2, EYELETS 10; End Item Identification: RECOVERY KIT,HELICOPTER NSN 1670-01-501-8140. 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.