The Holder,optical Element, cataloged under National Stock Number 1240-00-558-2529, 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 7 specifications, 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 | 1240-00-558-2529 |
| Primary Part Number | 5582529 |
| Item Name | Holder,optical Element |
| 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 |
| FSC Application Data | PERISCOPE,BATTERY COMMAND |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE |
| Supporting Object/surface Attachment Method | FOUR 0.157 IN. MTG HOLES ON A 2.400 IN. BOLT CIRCLE DIA. UNEQUALLY SPACED IN |
| Material Document and Classification | QQ-A-596, ALLOY 355, TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-601, ALLOY 356, FED SPEC SINGLE MATERIAL RESPONSE |
| Attachment to Item Supported Method | HOLDS ITEM BY TWO SPRING CLIPS AND SIX SCREWS 0.125 IN.-44UNF-2A BY 0.312 IN. LG,TWO SCREWS ON 2.062 IN. MTG CENTERS,TWO SCREWS ON 1.312 IN. MTG CENTERS AND TWO SCREWS ON 0.500 IN. MTG CENTERS A |
| Surface Treatment | ANODIZE |
| Material | ALUMINUM ALLOY 356.0 |
| 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 |
|---|---|
| 5582529 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 1240-00-558-2529 is a Holder,optical Element, 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 1240-00-558-2529 has 1 manufacturer part number on file: 5582529 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 5582529: FSC Application Data: PERISCOPE,BATTERY COMMAND; Surface Treatment Document and Classification: MIL-A-8625,TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE; Supporting Object/surface Attachment Method: FOUR 0.157 IN. MTG HOLES ON A 2.400 IN. BOLT CIRCLE DIA. UNEQUALLY SPACED IN; Material Document and Classification: QQ-A-596, ALLOY 355, TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-601, ALLOY 356, FED SPEC SINGLE MATERIAL RESPONSE. 7 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.
NSN 1240-00-558-2529 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.