The Cager Assembly, cataloged under National Stock Number 4935-01-138-0306, is classified within Federal Supply Class 4935 (Guided Missile Maintenance, Repair, and Checkout Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is General Dynamics Ots (dri), 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4935-01-138-0306 |
| Primary Part Number | 639AS4758 |
| Item Name | Cager Assembly |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | General Dynamics Ots (dri), Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF ARM ASSEMBLY,BALL BEARING,SPRING,CAGER BARREL,PIN,UNCAGE AT MIN OF 1.30 LB PULL AND MAX 1.50 LB PULL LBS |
| 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 |
|---|---|
| 639AS4758 PRIMARY | General Dynamics Ots (dri), Inc. (USA) |
| Reference | Meaning |
|---|---|
| 639AS4758 | C/1 Advisory reference — outside the item-of-supply concept Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 4935-01-138-0306 is a Cager Assembly, manufactured by General Dynamics Ots (dri), Inc., classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-01-138-0306 has 1 manufacturer part number on file: 639AS4758 (General Dynamics Ots (dri), Inc.).
Key specifications for 639AS4758: General Characteristics Item Description: CONSISTS OF ARM ASSEMBLY,BALL BEARING,SPRING,CAGER BARREL,PIN,UNCAGE AT MIN OF 1.30 LB PULL AND MAX 1.50 LB PULL LBS. 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 4935-01-138-0306 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.