The Missile Cap Screw,socket Head,se, cataloged under National Stock Number 1440-01-689-9548, is classified within Federal Supply Class 1440 (Launchers, Guided Missile) of the Guided Missiles group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1440-01-689-9548 |
| Item Name | Missile Cap Screw,socket Head,se |
| FSC / FSG | 1440 / 14 — Launchers, Guided Missile |
| Status | ACTIVE |
| Supplementary Features | CRITICAL APPLICATION ITEM (CAI) |
| Criticality Code Justification | SUPP |
| Surface Treatment | CADMIUM |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| NAS1352-8LB64P | 3/2 Design control — primary reference U.S. Government activity |
NSN 1440-01-689-9548 is a Missile Cap Screw,socket Head,se, classified under FSC 1440, Launchers, Guided Missile. Status: active.
Key specifications for 1440-01-689-9548: Supplementary Features: CRITICAL APPLICATION ITEM (CAI); Criticality Code Justification: SUPP; Special Features: MATERIAL: ALLOY STEEL; SHANK DIAMETER 0.4919 INCHES MINIMUM TO 0.500 INCHES MAXIMUM; HEAD DIAMETER: 0.735 INCHES MINIMUM TO 0.750 INCHES MAXIMUM; HEAD HEIGHT: 0.492 INCHES MINIMUM TO 0.500 INCHES MAXIMUM; THREAD LENGTH: 1 1/2 INCHES; PLATING: CADMIUM II PLATING TYPE 2,CLASS 2 IN; Surface Treatment: CADMIUM. 4 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.