The Guard,chain, cataloged under National Stock Number 1680-01-070-1188, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Hornet Acquisitionco, Llc Dba Onboard Systems. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1680-01-070-1188 |
| Primary Part Number | 42277-168 |
| Item Name | Guard,chain |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Hornet Acquisitionco, Llc Dba Onboard Systems |
| Status | ACTIVE |
| General Characteristics Item Description | POLYCARBONATE,L-P-393; VELVET SURFACE COATING TYPE 400,3M CO,OR EQUIVALENT,PAINTED FLAT BLACK,FED STD 595; MINUS 65 DEG TO 125 DEG F OPERATING TEMPERATURE; RESISTIVE TO SALT AND SEA ATMOSPHERE,SAND AND DUST EXPOSURE AND FUNGUS GROWTH EXPOSURE; 7.630 IN. NOM O/A LG,1.380 IN. NOM O/A W,0.970 IN. NOM O/A H; 2 HOLES 0.260 IN. NOM DIA THROUGH BODY ALONG LG,2.762 IN. NOM C TO C DISTANCE BETWEEN HOLES; FOR USE W/HELICOPTER RESCUE WINCH IN |
| 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 |
|---|---|
| 42277-168 PRIMARY | Hornet Acquisitionco, Llc Dba Onboard Systems (USA) |
| Reference | Meaning |
|---|---|
| 42277-168 | 5/9 Secondary reference Goodrich Corporation Dba Trw Lucas Aerospace |
| 42277E168 | 5/9 Secondary reference U.S. Government activity |
| 4227-168 | 5/9 Secondary reference Hornet Acquisitionco, Llc Dba Onboard Systems |
NSN 1680-01-070-1188 is a Guard,chain, manufactured by Hornet Acquisitionco, Llc Dba Onboard Systems, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-070-1188 has 1 manufacturer part number on file: 42277-168 (Hornet Acquisitionco, Llc Dba Onboard Systems).
Key specifications for 42277-168: General Characteristics Item Description: POLYCARBONATE,L-P-393; VELVET SURFACE COATING TYPE 400,3M CO,OR EQUIVALENT,PAINTED FLAT BLACK,FED STD 595; MINUS 65 DEG TO 125 DEG F OPERATING TEMPERATURE; RESISTIVE TO SALT AND SEA ATMOSPHERE,SAND AND DUST EXPOSURE AND FUNGUS GROWTH EXPOSURE; 7.630 IN. NOM O/A LG,1.380 IN. NOM O/A W,0.970 IN. NOM O/A H; 2 HOLES 0.260 IN. NOM DIA THROUGH BODY ALONG LG,2.762 IN. NOM C TO C DISTANCE BETWEEN HOLES; FOR USE W/HELICOPTER RESCUE WINCH 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.
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.