The Eyeguard,optical Instrument, cataloged under National Stock Number 1240-01-175-1247, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-175-1247 |
| Primary Part Number | 82A5027A1555 |
| Item Name | Eyeguard,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| Status | ACTIVE |
| Specification/standard Data | 96906-MIL-STD-130 GOVERNMENT STANDARD |
| Attachment End Inside Diameter | 44.4 MILLIMETERS MM |
| Viewing End Inside Diameter | 42.495 MILLIMETERS MM |
| Material | COPPER ALLOY |
| Usage Design | OPTICAL SIGHT CONNECTS TO TELESCOPIC RANGE FINDER OF SHOULDER LAUNCHED MULTIPURPOSE ASSAULT WEAPON (SMAW) |
| Attachment Method | SCREW |
| 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 |
|---|---|
| 82A5027A1555 | Shiloh Industries Inc (USA) |
| 82A5027A1555 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| Reference | Meaning |
|---|---|
| 82A5027A1552 | 5/9 Secondary reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
NSN 1240-01-175-1247 is a Eyeguard,optical Instrument, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-175-1247 has 2 manufacturer part numbers on file: 82A5027A1555 (Shiloh Industries Inc), 82A5027A1555 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service).
Key specifications for 82A5027A1555: Specification/standard Data: 96906-MIL-STD-130 GOVERNMENT STANDARD; Attachment End Inside Diameter: 44.4 MILLIMETERS MM; Viewing End Inside Diameter: 42.495 MILLIMETERS MM; Part Name Assigned by Controlling Agency: ADAPTER ASSEMBLY, EYEGUARD. 6 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 1240-01-175-1247 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.