The Film,radiographic, cataloged under National Stock Number 6635-01-135-2591, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-135-2591 |
| Item Name | Film,radiographic |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Length | 17.000 INCHES NOMINAL IN |
| Base Color | BLUE |
| Film Exposure Quantity | 1 |
| Contrast Rating | HIGH |
| Emulsion Sensitivity | BLUE |
| Film Processing Type | 8L, SPECIAL |
| Width | 14.000 INCHES NOMINAL IN |
| Sensitized Coating Location | BOTH SIDES |
| Base Material Thickness | 0.004 INCHES NOMINAL IN |
| Corner Cut Type | ROUND |
| Granule Size | MEDIUM |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY LENGTH,WIDTH,UNIT PACKAGE QUANTITY,AND UNIT PACKAGE TYPE |
| 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 |
|---|---|
| 458260 | 5/9 Secondary reference U.S. Government activity |
| NDT 57 646431 | 3/9 Design control — primary reference U.S. Government activity |
| CRONEX NDT 91 | 5/9 Secondary reference U.S. Government activity |
| 790052 | 5/9 Secondary reference U.S. Government activity |
| 646431 | 5/9 Secondary reference U.S. Government activity |
NSN 6635-01-135-2591 is a Film,radiographic, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6150-01-263-2332. Verify interchangeability with system specifications before substitution.
Key specifications for 6635-01-135-2591: Length: 17.000 INCHES NOMINAL IN; Base Color: BLUE; Film Exposure Quantity: 1; Contrast Rating: HIGH. 12 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.