The Reference Standard,physical Prop, cataloged under National Stock Number 6635-01-335-9902, 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6635-01-335-9902 |
| Item Name | Reference Standard,physical Prop |
| FSC / FSG | 6635 / 66 — Physical Properties Testing and Inspection |
| Status | ACTIVE |
| General Characteristics Item Description | STANDARD REFERENCE FIBERS WILL BE USED AS TRANSFER STANDARDS TO PROVIDE CERTIFICATION OF DISTANCE MEASURING ACCURACY IN SINGLE MODE OPTICAL TIME DOMAIN REFLECTOMETERS (OTDR); REFERENCE FIBERS ARE PACKAGED IN METAL ENCLOSURE12 X 8 X IN. WITH BICONIC INPUT/OUTPUT CONNECTORS; SPECIALLY DESIGNED FOR USE IN CONJUNCTION WITH OTDR |
| Functional Description | CALIBRATION/MAINTENANCE OF OPTICAL TEST EQUIPMENT AND CABLE SYSTEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| UTB-4000 | 3/1 Design control — primary reference National Institute of Standards and Technology |
| UTB-4000 | 3/9 Design control — primary reference Ditel Inc |
NSN 6635-01-335-9902 is a Reference Standard,physical Prop, classified under FSC 6635, Physical Properties Testing and Inspection. Status: active.
Key specifications for 6635-01-335-9902: General Characteristics Item Description: STANDARD REFERENCE FIBERS WILL BE USED AS TRANSFER STANDARDS TO PROVIDE CERTIFICATION OF DISTANCE MEASURING ACCURACY IN SINGLE MODE OPTICAL TIME DOMAIN REFLECTOMETERS (OTDR); REFERENCE FIBERS ARE PACKAGED IN METAL ENCLOSURE12 X 8 X IN. WITH BICONIC INPUT/OUTPUT CONNECTORS; SPECIALLY DESIGNED FOR USE IN CONJUNCTION WITH OTDR; Special Features: MANUFACTURERS SUGGESTED NAME REFERENCE STANDARD,FIBER OPTICS;FOUR KILOMETER FIBER; Functional Description: CALIBRATION/MAINTENANCE OF OPTICAL TEST EQUIPMENT AND CABLE SYSTEMS; End Item Identification: PRECISION MEASUREMENT EQUIPMENT LABORATORIES. 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 6635-01-335-9902 has DEMIL Code D. 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.