The Wedge,retainer,rear, cataloged under National Stock Number 1240-01-100-8101, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-100-8101 |
| Primary Part Number | 12272119 |
| Item Name | Wedge,retainer,rear |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| General Characteristics Item Description | SCREW ACTUATED WEDGE; WEDGE MATERIAL: AL ALLOY,6061-T6 PER SPEC QQ-A-200/8; FINISH: CHEMICAL COAT PER SPEC MIL-C-5541,CLASS 1A; WEDGE IS 0.500 O/A LONG ANGLED 45 DEG TO 0.250 LONG; 0.225 WIDE BY 0.250 HIGH; 0.125 DIA THRU WEDGE; CENTER OF HOLE IS LOCATED 0.135 DISTANCE FROM LONGEST LENGTH EDGE; NUT - NAS1291C04; CAPTIVE NUT THREADS,0.112-40 UNC-2B,CASE HARDENED STEEL CADMIUM PLATED PER QQ-P-416,TYPE 2,CLASS 3; USED ON M1 A |
| 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 |
|---|---|
| 12272119 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| Reference | Meaning |
|---|---|
| 50228-2CR | 3/9 Design control — primary reference Calmark Corporation |
NSN 1240-01-100-8101 is a Wedge,retainer,rear, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-100-8101 has 1 manufacturer part number on file: 12272119 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12272119: General Characteristics Item Description: SCREW ACTUATED WEDGE; WEDGE MATERIAL: AL ALLOY,6061-T6 PER SPEC QQ-A-200/8; FINISH: CHEMICAL COAT PER SPEC MIL-C-5541,CLASS 1A; WEDGE IS 0.500 O/A LONG ANGLED 45 DEG TO 0.250 LONG; 0.225 WIDE BY 0.250 HIGH; 0.125 DIA THRU WEDGE; CENTER OF HOLE IS LOCATED 0.135 DISTANCE FROM LONGEST LENGTH EDGE; NUT - NAS1291C04; CAPTIVE NUT THREADS,0.112-40 UNC-2B,CASE HARDENED STEEL CADMIUM PLATED PER QQ-P-416,TYPE 2,CLASS 3; USED ON M1 A. 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.