The Rail,missile Silo,safety Barrier, cataloged under National Stock Number 1440-01-045-9783, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1440-01-045-9783 |
| Item Name | Rail,missile Silo,safety Barrier |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL QQ-S-633,43.540 IN. MIN TO43.660 IN. MAX LG,1.000 IN. W,1.000 IN. H,COMPONENTS CABLE ASSY 1,FERRULE 3,PIN FITTING 2,PIN QUICKRELEASE 1,RAIL 1,SNAP SWIVEL 1,TUBE 1 IN |
| Material | STEEL |
| Nuclear Hardness Critical Feature | HARDENED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | H |
| Reference | Meaning |
|---|---|
| 25-66579-4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1440-01-045-9783 is a Rail,missile Silo,safety Barrier, classified under FSC 1440, Launchers, Guided Missile. Status: active.
Key specifications for 1440-01-045-9783: General Characteristics Item Description: STEEL QQ-S-633,43.540 IN. MIN TO43.660 IN. MAX LG,1.000 IN. W,1.000 IN. H,COMPONENTS CABLE ASSY 1,FERRULE 3,PIN FITTING 2,PIN QUICKRELEASE 1,RAIL 1,SNAP SWIVEL 1,TUBE 1 IN; Special Features: TUBE: 1" OUTSIDE DIAMETER X .065" WALL, FINISH: F-1000;PIN FITTING, .75" DIAMETER, C1020 STEEL BAR QQ-S-633, FINISH: F-1000; Part Name Assigned by Controlling Agency: RAIL,MISSILE SILO,SAFETY BARRIER; Material: STEEL. 3 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.
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.