The Collimator,telescope, cataloged under National Stock Number 4931-01-243-8617, is classified within Federal Supply Class 4931 (Fire Control Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4931-01-243-8617 |
| Primary Part Number | MRA-107-M6C |
| Item Name | Collimator,telescope |
| FSC / FSG | 4931 / 49 — Fire Control Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | COLLIMATOR IS MADE OF ALUMINUM; 0.790 IN. DIA; 0.600 IN. LG; FINISH IS BLACK ANODIZE IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MRA-107-M6C PRIMARY | Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments (USA) |
| 1D74599-1 | Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments (USA) |
| Reference | Meaning |
|---|---|
| MRA-107-M6 | 5/9 Secondary reference Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments |
| MRA-107-M6A | 5/9 Secondary reference Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments |
NSN 4931-01-243-8617 is a Collimator,telescope, manufactured by Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments, classified under FSC 4931, Fire Control Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4931-01-243-8617 has 2 manufacturer part numbers on file: MRA-107-M6C (Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments), 1D74599-1 (Micro-Radian Instruments Washington Inc Div Micro-Radian Instruments).
Key specifications for MRA-107-M6C: General Characteristics Item Description: COLLIMATOR IS MADE OF ALUMINUM; 0.790 IN. DIA; 0.600 IN. LG; FINISH IS BLACK ANODIZE IN; End Item Identification: 1260-01-165-3961. 1 specification is 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 4931-01-243-8617 has DEMIL Code Q. 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.