The Holder,telescope Mount, cataloged under National Stock Number 1240-01-255-3145, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-255-3145 |
| Primary Part Number | 10179401 |
| Item Name | Holder,telescope Mount |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| General Characteristics Item Description | ANODIZE FINISH PER MIL-STD-171,COLOR BLACK,MADE FROM PART NO 10179400,MOUNT WIDTH IS 2.187,2 HOLES NO 6 /.138/-UNC-2B TO .375 IN. DEEP,NO 4 /112/-40UNC-2B HELICAL INSERT PER MS33646 1.500 IN. DIA DEEP 2 HOLES,1 HOLE 0.250 IN. 20 UNC-2B,1 HOLE 0.312 IN. 18-UNC 2B,DIA OF MOUNTING GROOVE IS 0.5008-0.5012 IN. DIA. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10179401 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 1240-01-255-3145 is a Holder,telescope Mount, manufactured by Us Army Aviation and Missile Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-255-3145 has 1 manufacturer part number on file: 10179401 (Us Army Aviation and Missile Command).
Key specifications for 10179401: General Characteristics Item Description: ANODIZE FINISH PER MIL-STD-171,COLOR BLACK,MADE FROM PART NO 10179400,MOUNT WIDTH IS 2.187,2 HOLES NO 6 /.138/-UNC-2B TO .375 IN. DEEP,NO 4 /112/-40UNC-2B HELICAL INSERT PER MS33646 1.500 IN. DIA DEEP 2 HOLES,1 HOLE 0.250 IN. 20 UNC-2B,1 HOLE 0.312 IN. 18-UNC 2B,DIA OF MOUNTING GROOVE IS 0.5008-0.5012 IN. DIA. IN. 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.
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.