The Casing,rigid,borescope Guide, cataloged under National Stock Number 6650-01-458-6496, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-458-6496 |
| Item Name | Casing,rigid,borescope Guide |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Outside Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| End Connection Type | THREADED MALE FIRST END |
| Material | STEEL CORROSION RESISTING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| GT-7-12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-458-6496 is a Casing,rigid,borescope Guide, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-458-6496: Outside Diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN; End Connection Type: THREADED MALE FIRST END; Overall Length: 8.000 INCHES NOMINAL8.000 INCHES NOMINAL IN; Special Features: USED TO GUIDE FIBERSCOPE FOR INSPECTION OF THE 10TH STAGE HPC STATORS; GUIDE TUBE IS DESIGNED FOR 5MM (OR LESS) DIAMETER FLEXIBLE FIBERSCOPES; THE GUIDE TUBE IS FLEXIBLE WITH A 120 DEGREE BENDING RADIUS FOR AIDING THE FIBERSCOPE TO NEGOTIATE THE NEAR 90 DEGREE BEND BETWEEN THE AP-5 PORT AND THE 10TH STAGE STATOR INNER PLATFORM;WEIGHT 1LB; OPERATING TEMPERATURE -40 TO +125 DEG F; FINISH PASSIVATED; BRAIDED STAINLESS STEEL TUBING; BRASS END FITTING;HEIGHT IS 1 INCH LBS. 3 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.
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.