The Maintenance Kit,aircraft, cataloged under National Stock Number 4920-01-509-3153, is classified within Federal Supply Class 4920 (Aircraft Maintenance and Repair Shop Specialized Equipment) of the Maintenance and Repair Shop Equipment group. The manufacturer of record is Collins Elbit Vision Systems, Llc Div Jhmcs. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4920-01-509-3153 |
| Primary Part Number | 620079-01-01 |
| Item Name | Maintenance Kit,aircraft |
| FSC / FSG | 4920 / 49 — Aircraft Maintenance and Repair Shop Specialized Equipment |
| Manufacturer | Collins Elbit Vision Systems, Llc Div Jhmcs |
| Status | ACTIVE |
| Supplementary Features | COMPANY ITEM NAME--HELMET KIT, JHMCS MAINTENANCE |
| Reference Data and Literature | SERD NO. 5758 |
| Functional Description | USED TO FAULT ISOLATE BIT PROBLEMS BETEWEN THE ONBOARD LRUS'S AND THE HELMET MOUNTED COMPONENTS |
| 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 |
|---|---|
| 620079-01-01 PRIMARY | Collins Elbit Vision Systems, Llc Div Jhmcs (USA) |
| 135970-9 | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10163770 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 4920PL0645042 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 4920PL2058977 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4920-01-509-3153 is a Maintenance Kit,aircraft, manufactured by Collins Elbit Vision Systems, Llc Div Jhmcs, classified under FSC 4920, Aircraft Maintenance and Repair Shop Specialized Equipment. Status: active.
NSN 4920-01-509-3153 has 2 manufacturer part numbers on file: 620079-01-01 (Collins Elbit Vision Systems, Llc Div Jhmcs), 135970-9 (The Boeing Company Div Defense).
Key specifications for 620079-01-01: Supplementary Features: COMPANY ITEM NAME--HELMET KIT, JHMCS MAINTENANCE; Reference Data and Literature: SERD NO. 5758; Special Features: 20 X 39 X 29; 80 LBS; FIBERGLASS LBS; Functional Description: USED TO FAULT ISOLATE BIT PROBLEMS BETEWEN THE ONBOARD LRUS'S AND THE HELMET MOUNTED COMPONENTS. 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 4920-01-509-3153 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.