The Spacer,shaft Spline, cataloged under National Stock Number 1005-01-381-2618, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-381-2618 |
| Primary Part Number | 025303-503 |
| Item Name | Spacer,shaft Spline |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY 6061-T6, 0.758 IN. O/A LG, 0.750 IN. OD, 0.503 IN. ID IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 025303-503 PRIMARY | Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 025303 | D/9 Drawing number reference only Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 025303-503 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
NSN 1005-01-381-2618 is a Spacer,shaft Spline, manufactured by Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-381-2618 has 1 manufacturer part number on file: 025303-503 (Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc).
1 possible match (shared part number, not a government interchangeability claim): 1005-01-381-2740. Verify interchangeability with system specifications before substitution.
Key specifications for 025303-503: General Characteristics Item Description: ALUMINUM ALLOY 6061-T6, 0.758 IN. O/A LG, 0.750 IN. OD, 0.503 IN. ID IN; End Item Identification: 25MM CANNON, A130-U GUNSHIP 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.
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.