The Tool Insertion Guide, cataloged under National Stock Number 5120-01-255-8239, is classified within Federal Supply Class 5120 (Hand Tools, Nonedged, Nonpowered) of the Hand Tools group. The manufacturer of record is Raytheon Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5120-01-255-8239 |
| Primary Part Number | 76Z3549-1 |
| Item Name | Tool Insertion Guide |
| FSC / FSG | 5120 / 51 — Hand Tools, Nonedged, Nonpowered |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| General Characteristics Item Description | O/A DIA 21.5 IN.,3 IN. WIDTH,ALUMINUM ALLOY 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 |
|---|---|
| 76Z3549-1 PRIMARY | Raytheon Company (USA) |
| Reference | Meaning |
|---|---|
| 76Z3549-1 | 5/9 Secondary reference Hughes Missile Systems Co San Diego |
NSN 5120-01-255-8239 is a Tool Insertion Guide, manufactured by Raytheon Company, classified under FSC 5120, Hand Tools, Nonedged, Nonpowered. Status: active.
NSN 5120-01-255-8239 has 1 manufacturer part number on file: 76Z3549-1 (Raytheon Company).
Key specifications for 76Z3549-1: General Characteristics Item Description: O/A DIA 21.5 IN.,3 IN. WIDTH,ALUMINUM ALLOY IN. 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.