The Clutch Spring Assy, cataloged under National Stock Number 1005-01-441-2606, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Northrop Grumman Systems Corp Div Weapon System. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1005-01-441-2606 |
| Primary Part Number | 465-4147 |
| Item Name | Clutch Spring Assy |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Northrop Grumman Systems Corp Div Weapon System |
| Status | ACTIVE |
| Overall Diameter | 36.220 MILLIMETERS NOMINAL MM |
| Material | STEEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 465-4147 | Rosomak S.a (POL) |
| 465-4147 PRIMARY | Northrop Grumman Systems Corp Div Weapon System (USA) |
| Reference | Meaning |
|---|---|
| 10300095 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 465-4147 | 5/9 Secondary reference Alliant Techsystems Operations Llc |
| 465-4147 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Weapon System |
| 1005PL1276424 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 465-4147 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 465-4147 | 5/9 Secondary reference Alliant Techsystems Operations Llc Dba Cci Speer Div Armament Systems Division |
| DS465-4147 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| 465-4147 | 5/9 Secondary reference The Boeing Company |
NSN 1005-01-441-2606 is a Clutch Spring Assy, manufactured by Northrop Grumman Systems Corp Div Weapon System, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-01-441-2606 has 2 manufacturer part numbers on file: 465-4147 (Rosomak S.a), 465-4147 (Northrop Grumman Systems Corp Div Weapon System).
Key specifications for 465-4147: Overall Diameter: 36.220 MILLIMETERS NOMINAL MM; Overall Width: 32.560 MILLIMETERS NOMINAL MM; End Item Identification: 25MM CANNON;MODEL 242 MM; Material: STEEL. 2 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 1005-01-441-2606 has DEMIL Code Q. 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.