The Block,arm Sliding, cataloged under National Stock Number 1015-01-174-4270, is classified within Federal Supply Class 1015 (Guns, 75mm Through 125mm) of the Weapons group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1015-01-174-4270 |
| Primary Part Number | 5520303 |
| Item Name | Block,arm Sliding |
| FSC / FSG | 1015 / 10 — Guns, 75mm Through 125mm |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| General Characteristics Item Description | LENGTH 64.0 MM,WIDTH 58.0 MM,HEIGHT 25.0 MM MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5520303 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 1015PL0818171 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 1276-06-105 | 5/9 Secondary reference Bae Systems Land & Armaments L.p. |
NSN 1015-01-174-4270 is a Block,arm Sliding, manufactured by Naval Sea Systems Command, classified under FSC 1015, Guns, 75mm Through 125mm. Status: active.
NSN 1015-01-174-4270 has 1 manufacturer part number on file: 5520303 (Naval Sea Systems Command).
Key specifications for 5520303: General Characteristics Item Description: LENGTH 64.0 MM,WIDTH 58.0 MM,HEIGHT 25.0 MM MM. 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 1015-01-174-4270 has DEMIL Code D. 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.