The Antenna Subassembly, cataloged under National Stock Number 5985-01-199-4683, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Frontgrade Technologies Inc.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-199-4683 |
| Primary Part Number | 435951 |
| Item Name | Antenna Subassembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Frontgrade Technologies Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 435951 PRIMARY | Frontgrade Technologies Inc. (USA) |
| 3603727-0002 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| Reference | Meaning |
|---|---|
| 3603727-0002 | 5/9 Secondary reference Honeywell International Inc Dba Honeywell |
| SP-435951 | 5/9 Secondary reference U.S. Government activity |
| 3603727-0001 | 5/9 Secondary reference Honeywell International Inc Dba Honeywell |
| 435951 | 3/9 Design control — primary reference Atlantic Microwave Corporation Div Cobham Electronic Systems |
| 3603727-0002 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-199-4683 is a Antenna Subassembly, manufactured by Frontgrade Technologies Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-199-4683 has 2 manufacturer part numbers on file: 435951 (Frontgrade Technologies Inc.), 3603727-0002 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us).
Key specifications for 435951: Overall Height: 2.250 INCHES NOMINAL IN; Overall Length: 13.320 INCHES NOMINAL IN; Overall Width: 3.500 INCHES NOMINAL IN; Special Features: USAGE DESIGN:ANTENNA FEED,X-BAND ALUM;MOUNTING CONFIGURATION:FOUR 0.218 IN.DIA HOLES ON 2.437 IN. BY 1.625 IN.CENTERS,FLANGE MTD;MATL:ALUMINUM ALLOY;FINISH:INTERIOR AND EXTERIOR,CHEMICAL FILM PER MIL-C-5541 CLASS 1A;PRIMER PER TT-P-1757 (ZINC CHROMATE);PAINT PER MIL-E-15090,ENAMEL,COLOR GREY NO. 36329 PER FED-STD-595;PAINT FIGERGLASS FEEDOME PER TT-L-20,LACQUER COLOR INSIGNIA WHITE NO. 27875 PER FED-STD-595;NO PAINT OR PRIMER ON FLANGE FACE OR CONNECTOR;FREQ RANGE 9310 TO 9375 MHZ;OPER VOLTAGE 27.5 VDC MHz. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-199-4683 has DEMIL Code D. 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.