The Spacer,center, cataloged under National Stock Number 6610-01-042-3899, is classified within Federal Supply Class 6610 (Flight Instruments) 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2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6610-01-042-3899 |
| Item Name | Spacer,center |
| FSC / FSG | 6610 / 66 — Flight Instruments |
| Status | ACTIVE |
| FSC Application Data | INDICATOR,HORIZONTAL SITUATION |
| General Characteristics Item Description | ALUMINUM ALLOY 2024-T3 PER QQ-A-225/6; FINISH CHEM FILM CLASS 1A PER MIL-C-5541,DYED YELLOW; 125.0 MICROINCH MACHINE FINISH OVERALL; 0.810 IN. O/A LG,0.430 IN. O/A W,0.188 IN. O/A H; TWO 2-56UNC-2B 0.250 IN. DEEP ON EACH END; ONE 0.099 IN. DIA HOLE CENTRALLY LOCATED,0.188 IN. LG THRU A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 75512008-1 | 5/9 Secondary reference U.S. Government activity |
| 75512008-1 | 3/9 Design control — primary reference Moog Inc. Dba Moog Components Group |
NSN 6610-01-042-3899 is a Spacer,center, classified under FSC 6610, Flight Instruments. Status: active.
Key specifications for 6610-01-042-3899: FSC Application Data: INDICATOR,HORIZONTAL SITUATION; General Characteristics Item Description: ALUMINUM ALLOY 2024-T3 PER QQ-A-225/6; FINISH CHEM FILM CLASS 1A PER MIL-C-5541,DYED YELLOW; 125.0 MICROINCH MACHINE FINISH OVERALL; 0.810 IN. O/A LG,0.430 IN. O/A W,0.188 IN. O/A H; TWO 2-56UNC-2B 0.250 IN. DEEP ON EACH END; ONE 0.099 IN. DIA HOLE CENTRALLY LOCATED,0.188 IN. LG THRU A. 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.
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.