The Bellows Coupling, cataloged under National Stock Number 4935-00-657-3243, 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 Raytheon Company Dba Raytheon Co. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4935-00-657-3243 |
| Primary Part Number | 2564-1533P1 |
| Item Name | Bellows Coupling |
| FSC / FSG | 4935 / 49 — Guided Missile Maintenance, Repair, and Checkout Specialized Equipment |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| 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 |
|---|---|
| 2564-1533P1 | Raytheon Company (USA) |
| 2564-1533P1 | Raytheon Company Dba Raytheon Co (USA) |
| 2564-1533P1 PRIMARY | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 2564-1533P1 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 4935-00-657-3243 is a Bellows Coupling, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 4935, Guided Missile Maintenance, Repair, and Checkout Specialized Equipment. Status: active.
NSN 4935-00-657-3243 has 3 manufacturer part numbers on file: 2564-1533P1 (Raytheon Company), 2564-1533P1 (Raytheon Company Dba Raytheon Co), 2564-1533P1 (Raytheon Company Dba Raytheon Co).
Key specifications for 2564-1533P1: End Item Identification: AIRCRAFT MODEL F-4C. 0 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 4935-00-657-3243 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.