The Sieve,test, cataloged under National Stock Number 6635-00-641-3583, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-00-641-3583 |
| Item Name | Sieve,test |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| Mesh Size/sieve Designation | 250 MICRON |
| Depth From Frame Top to Perforated Portion | 1.000 INCHES NOMINAL IN |
| Opening Size | 0.010 INCHES IN |
| Design Type | WOVEN WIRE CLOTH |
| Shape | ROUND |
| Removability Feature | NOT INCLUDED |
| Nondefinitive Spec/std Data | 3 CLASS AND 250 MICRON SIZE AND B STYLE AND I TYPE |
| Inside Diameter | 8.000 INCHES NOMINAL IN |
| Sieve Height Characteristic | HALF HEIGHT |
| Mesh Type | US STD |
| Wire Diameter | 0.18 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| ASTM E11 | 3/1 Design control — primary reference U.S. Government activity |
| RR-S-366 | 5/9 Secondary reference U.S. Government activity |
NSN 6635-00-641-3583 is a Sieve,test, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
7 possible matches (shared part number, not a government interchangeability claim): 6635-00-641-3587, 6635-00-641-3589, 6635-00-641-3591. Verify interchangeability with system specifications before substitution.
Key specifications for 6635-00-641-3583: Mesh Size/sieve Designation: 250 MICRON; Depth From Frame Top to Perforated Portion: 1.000 INCHES NOMINAL IN; Opening Size: 0.010 INCHES IN; Design Type: WOVEN WIRE CLOTH. 11 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.