The Tester,flexural Strength,concret, cataloged under National Stock Number 6635-00-935-6872, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Gilson Co Inc. Government technical data includes 2 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 6635-00-935-6872 |
| Primary Part Number | XHM-281 KIT |
| Item Name | Tester,flexural Strength,concret |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Gilson Co Inc |
| Status | ACTIVE |
| General Characteristics Item Description | 6 IN. BY 6 IN. CROSS SECTIONAL SIZE OF CONCRETE BEAM SPECIMEN ACCOMMODATED; 3RD POINT TYPE LOADING UNIT,HANDSCREW JACK OPERATION,PROVING RING AND DIAL INDICATOR MEASURING DEVICE; 1250 PSI MAX FLEXURAL STRENGTH CAPACITY,25000 LB MAX LOAD CAPACITY; W/TOW HANDLE,2 WHEELS; W/CARRYING CASE FOR PROVING RING AND DIAL INDICATORS; FURNISHED W/MOLDS FOR CASING BEAM SPECIMENS /COLLAPSIBLE/,21 IN. LG; DIM. 42 IN. H,15 IN. W LBS |
| Departure From Cited Document | MIL-T-17797 AS MODIFIED BY W/TOW HANDLE,2 WHEELS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| XHM-281 KIT PRIMARY | Gilson Co Inc (USA) |
| Reference | Meaning |
|---|---|
| MILT17797 | 4/1 Identification reference U.S. Government activity |
| XHM-28KIT | 5/9 Secondary reference Gilson Co Inc |
| C3000 | 5/9 Secondary reference Testing Supply Corporation |
NSN 6635-00-935-6872 is a Tester,flexural Strength,concret, manufactured by Gilson Co Inc, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-00-935-6872 has 1 manufacturer part number on file: XHM-281 KIT (Gilson Co Inc).
2 possible matches (shared part number, not a government interchangeability claim): 3020-01-325-7018, 3020-01-326-3133. Verify interchangeability with system specifications before substitution.
Key specifications for XHM-281 KIT: General Characteristics Item Description: 6 IN. BY 6 IN. CROSS SECTIONAL SIZE OF CONCRETE BEAM SPECIMEN ACCOMMODATED; 3RD POINT TYPE LOADING UNIT,HANDSCREW JACK OPERATION,PROVING RING AND DIAL INDICATOR MEASURING DEVICE; 1250 PSI MAX FLEXURAL STRENGTH CAPACITY,25000 LB MAX LOAD CAPACITY; W/TOW HANDLE,2 WHEELS; W/CARRYING CASE FOR PROVING RING AND DIAL INDICATORS; FURNISHED W/MOLDS FOR CASING BEAM SPECIMENS /COLLAPSIBLE/,21 IN. LG; DIM. 42 IN. H,15 IN. W LBS; Departure From Cited Document: MIL-T-17797 AS MODIFIED BY W/TOW HANDLE,2 WHEELS. 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.
NSN 6635-00-935-6872 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.