The Adapter,tie Down, cataloged under National Stock Number 1670-00-600-6256, 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 De Havilland Aircraft of Canada Limited. Government technical data includes 12 specifications, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1670-00-600-6256 |
| Primary Part Number | C4F1070-1 |
| Item Name | Adapter,tie Down |
| FSC / FSG | 1670 / 16 — Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Inside Width | 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN |
| Attachment Type | CARGO RINGCARGO RING |
| Load Rating | 150000.0 POUNDS MAXIMUM150000.0 POUNDS MAXIMUM LBS |
| Mounting Hole Arrangement Style | THREE HOLE TRIANGULARTHREE HOLE TRIANGULAR |
| Longest Vertical Distance Between Mounting Centers | 1.870 INCHES NOMINAL1.870 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.261 INCHES NOMINAL AND 0.261 INCHES NOMINAL AND 0.389 INCHES NOMINAL0.389 INCHES NOMINAL IN |
| Shortest Horizontal Distance Between Mounting Centers | 0.600 INCHES NOMINAL0.600 INCHES NOMINAL IN |
| Ring Style | PEARPEAR |
| Material | STEEL COMP 4130 AND STEEL COMP 4130 AND STEELSTEEL |
| Inside Height | 1.550 INCHES NOMINAL1.550 INCHES NOMINAL IN |
| Longest Horizontal Distance Between Mounting Centers | 1.200 INCHES NOMINAL1.200 INCHES NOMINAL IN |
| Mounting Hole Type | PLAINPLAIN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C4F1070-1 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| 1560AC1-109-1A | 5/2 Secondary reference U.S. Government activity |
| 1560AC1-109 | 5/2 Secondary reference U.S. Government activity |
NSN 1670-00-600-6256 is a Adapter,tie Down, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 1670, Parachutes; Aerial Pick up, Delivery, Recovery Systems; and Cargo Tie Down Equipment. Status: active.
NSN 1670-00-600-6256 has 1 manufacturer part number on file: C4F1070-1 (De Havilland Aircraft of Canada Limited).
Key specifications for C4F1070-1: Overall Height: 0.550 INCHES NOMINAL0.550 INCHES NOMINAL IN; Inside Width: 0.620 INCHES NOMINAL0.620 INCHES NOMINAL IN; Attachment Type: CARGO RINGCARGO RING; Load Rating: 150000.0 POUNDS MAXIMUM150000.0 POUNDS MAXIMUM LBS. 12 specifications are 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 1670-00-600-6256 has DEMIL Code B. 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.