The Ring,clamp,casing, cataloged under National Stock Number 6240-01-020-3440, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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 | 6240-01-020-3440 |
| Primary Part Number | 1413177 |
| Item Name | Ring,clamp,casing |
| FSC / FSG | 6240 / 62 — Electric Lamps |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ALLOY,QQ-C-390,ALLOY X6,TYPE 1,5.690 IN. ID,6.875 IN. CLAMPING OD,0.343 IN. O/A TK,FOUR HOLES 5/16-24UNF-2B AND EIGHT HOLES 1/4-28UNF-2B EQUALLY SPACED ON 6.156 IN. DIA BOLT CIRCLE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| 1413177 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6240-01-020-3440 is a Ring,clamp,casing, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6240, Electric Lamps. Status: active.
NSN 6240-01-020-3440 has 1 manufacturer part number on file: 1413177 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 1413177: General Characteristics Item Description: COPPER ALLOY,QQ-C-390,ALLOY X6,TYPE 1,5.690 IN. ID,6.875 IN. CLAMPING OD,0.343 IN. O/A TK,FOUR HOLES 5/16-24UNF-2B AND EIGHT HOLES 1/4-28UNF-2B EQUALLY SPACED ON 6.156 IN. DIA BOLT CIRCLE IN. 1 specification is 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.