The Block, cataloged under National Stock Number 1020-01-351-8607, is classified within Federal Supply Class 1020 (Guns, Over 125mm Through 150mm) of the Weapons 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1020-01-351-8607 |
| Primary Part Number | 3145652 |
| Item Name | Block |
| FSC / FSG | 1020 / 10 — Guns, Over 125mm Through 150mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM 6061-T651 PER QQ-A-20018; 4.843 IN. L; 0.709 IN. W; 1.024 IN. THK; 0.500-20 UNF-2B THD HOLE ONE END; 0.197 IN. THK CTR. 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 |
|---|---|
| 3145652 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 781414 | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 781414 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 1020-01-351-8607 is a Block, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1020, Guns, Over 125mm Through 150mm. Status: active.
NSN 1020-01-351-8607 has 2 manufacturer part numbers on file: 3145652 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 781414 (Lockheed Martin Corporation Div Rms).
Key specifications for 3145652: General Characteristics Item Description: ALUMINUM 6061-T651 PER QQ-A-20018; 4.843 IN. L; 0.709 IN. W; 1.024 IN. THK; 0.500-20 UNF-2B THD HOLE ONE END; 0.197 IN. THK CTR. IN; End Item Identification: FIRE CONTROL SYSTEM MK 92(FCS). 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 1020-01-351-8607 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.