The Retainer,cable, cataloged under National Stock Number 4030-01-173-5338, is classified within Federal Supply Class 4030 (Fittings for Rope, Cable, and Chain) of the Rope, Cable, Chain, and Fittings group. The manufacturer of record is The Boeing Company Div Commercial. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4030-01-173-5338 |
| Primary Part Number | 66-21579-1 |
| Item Name | Retainer,cable |
| FSC / FSG | 4030 / 40 — Fittings for Rope, Cable, and Chain |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| General Characteristics Item Description | 4130 NORMALIZED STEEL,MIL-S-18729; O/A LG 1.100 IN.,0.500 IN. W; 1 HOLE 0.770 IN. LG,0.140 IN. W AT ONE END,0.190 IN. W OPPOSITE END 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 |
|---|---|
| 66-21579-1 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 66-21579-1 | 5/9 Secondary reference U.S. Government activity |
NSN 4030-01-173-5338 is a Retainer,cable, manufactured by The Boeing Company Div Commercial, classified under FSC 4030, Fittings for Rope, Cable, and Chain. Status: active.
NSN 4030-01-173-5338 has 1 manufacturer part number on file: 66-21579-1 (The Boeing Company Div Commercial).
Key specifications for 66-21579-1: General Characteristics Item Description: 4130 NORMALIZED STEEL,MIL-S-18729; O/A LG 1.100 IN.,0.500 IN. W; 1 HOLE 0.770 IN. LG,0.140 IN. W AT ONE END,0.190 IN. W OPPOSITE END IN; End Item Identification: Q SPRING RUDDER. 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.