The Clip on Shield, cataloged under National Stock Number 6635-01-560-0791, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6635-01-560-0791 |
| Item Name | Clip on Shield |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Reference | Meaning |
|---|---|
| 430-014 | C/1 Advisory reference — outside the item-of-supply concept Thermo Scientific Portable Analytical Instruments Inc. Dba Thermo Scientific Portable Analytical Instruments of New Yor |
| 430-014 | 3/9 Design control — primary reference Thermo Niton Analyzers Llc Dba Niton Llc |
NSN 6635-01-560-0791 is a Clip on Shield, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6640-01-645-5020. Verify interchangeability with system specifications before substitution.
Key specifications for 6635-01-560-0791: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVICP ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 2 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.