The Probe,bolt Hole, cataloged under National Stock Number 6635-01-121-5972, is classified within Federal Supply Class 6635 (Physical Properties Testing and Inspection) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ideal Specialty Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Probe,bolt Hole |
| FSC / FSG | 6635 — Physical Properties Testing and Inspection (FSG 66) |
| Manufacturers | Ideal Specialty Inc. (CAGE 23910) |
| Parameter | Value |
|---|---|
| NSN | 6635-01-121-5972 |
| Primary Part Number | 68502 |
| Item Name | Probe,bolt Hole |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Manufacturer | Ideal Specialty Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 68502 PRIMARY | Ideal Specialty Inc. (USA) |
NSN 6635-01-121-5972 is a Probe,bolt Hole, manufactured by Ideal Specialty Inc., classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
NSN 6635-01-121-5972 has 1 manufacturer part number on file: 68502 (Ideal Specialty Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-659-7208. Verify interchangeability with system specifications before substitution.
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.