The Holder,maintenance Fixture,multi, cataloged under National Stock Number 4920-01-279-1609, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4920-01-279-1609 |
| Item Name | Holder,maintenance Fixture,multi |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Status | ACTIVE |
| General Characteristics Item Description | O/A DIM: 36.000 IN. W.,48.000 IN. H.,60.000 IN. LG.; WT: 400 LBS; MTG DATA: FREESTANDING ON CASTERS OR FLOOR LOCKS. QUICK RELEASE KINEMATIC MOUNT W/STS COLLIMATOR BAY; MATL: ALUMINUM AND CORROSION RESISTING STEELS LBS |
| Reference Data and Literature | SERD 3 |
| Functional Description | PROVIDES SECURE HANDLING/STORAGE OF INFRARED RECEIVER UUTS. PROVIDES MECHANICAL INTERFACE TO UUTS,IS DESIGNED TO ALIGN UUT OPTICAL PATH TO EITHER SU-161 OR SU-162 COLLIMATORS |
| 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 |
| Reference | Meaning |
|---|---|
| 1979370-1 | 3/2 Design control — primary reference U.S. Government activity |
| MT-6581/AAM | 5/2 Secondary reference U.S. Government activity |
NSN 4920-01-279-1609 is a Holder,maintenance Fixture,multi, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
Key specifications for 4920-01-279-1609: General Characteristics Item Description: O/A DIM: 36.000 IN. W.,48.000 IN. H.,60.000 IN. LG.; WT: 400 LBS; MTG DATA: FREESTANDING ON CASTERS OR FLOOR LOCKS. QUICK RELEASE KINEMATIC MOUNT W/STS COLLIMATOR BAY; MATL: ALUMINUM AND CORROSION RESISTING STEELS LBS; Reference Data and Literature: SERD 3; Special Features: REMOVABLE/REPLACEABLE UUT INTERFACE PLATES FOR EXPANDABLE APPLICABILITY; MANUAL MECHANISM TO INDEX/LOCK UUT 90 DEG AND 180 DEG IN ELEVATION FROM NORMAL ATTITUDE; Functional Description: PROVIDES SECURE HANDLING/STORAGE OF INFRARED RECEIVER UUTS. PROVIDES MECHANICAL INTERFACE TO UUTS,IS DESIGNED TO ALIGN UUT OPTICAL PATH TO EITHER SU-161 OR SU-162 COLLIMATORS. 3 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 4920-01-279-1609 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.