The Arm,head Assembly, cataloged under National Stock Number 1240-01-154-9903, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-154-9903 |
| Primary Part Number | 8619845 |
| Item Name | Arm,head Assembly |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | STEEL ALLOY,CORROSION RESISTANT,INVESTMENT CASTING,COMP IC-302 OR IC-304,COND. SOLUTION HEAT TREATED,PER MIL-S-81591,EXCEPT WAIVE MECHANICAL PROPERTIES,TESTS,AND RADIOGRAPHIC INSPECTION; ALTERNATE MATERIAL IS STEEL CASTING,COMPOSITION,IC-303,SOLUTION HEAT TREATED,PER MIL-S-81591; PASSIVATED PER QQ-P-35; 2.78375 IN. LG.; 2.000 IN. W.; 0.468 IN. THK. IN |
| 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 |
|---|---|
| 8619845 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-01-154-9903 is a Arm,head Assembly, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-154-9903 has 1 manufacturer part number on file: 8619845 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 8619845: General Characteristics Item Description: STEEL ALLOY,CORROSION RESISTANT,INVESTMENT CASTING,COMP IC-302 OR IC-304,COND. SOLUTION HEAT TREATED,PER MIL-S-81591,EXCEPT WAIVE MECHANICAL PROPERTIES,TESTS,AND RADIOGRAPHIC INSPECTION; ALTERNATE MATERIAL IS STEEL CASTING,COMPOSITION,IC-303,SOLUTION HEAT TREATED,PER MIL-S-81591; PASSIVATED PER QQ-P-35; 2.78375 IN. LG.; 2.000 IN. W.; 0.468 IN. THK. IN; End Item Identification: PERISCOPE (M36); NSN 1240-00-980-9291. 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.
NSN 1240-01-154-9903 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.