The Absorber,overvoltage, cataloged under National Stock Number 5920-01-537-9312, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Fischer Custom Communications Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-537-9312 |
| Primary Part Number | FCC-450B-1.2-NFFB |
| Item Name | Absorber,overvoltage |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Fischer Custom Communications Inc |
| Status | ACTIVE |
| Overall Diameter | 1.100 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| FCC-450B-1.2-NFFB PRIMARY | Fischer Custom Communications Inc (USA) |
| Reference | Meaning |
|---|---|
| A3190237-003 | 5/2 Secondary reference U.S. Government activity |
| A3190237 | D/9 Drawing number reference only U.S. Government activity |
NSN 5920-01-537-9312 is a Absorber,overvoltage, manufactured by Fischer Custom Communications Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-537-9312 has 1 manufacturer part number on file: FCC-450B-1.2-NFFB (Fischer Custom Communications Inc).
Key specifications for FCC-450B-1.2-NFFB: Overall Diameter: 1.100 INCHES MAXIMUM IN; Overall Length: 2.700 INCHES MAXIMUM IN; Special Features: HOUSING MATERIAL SHALL BE ALUMINUM OR BRASS,RF CONNECTORS SHALL BE N FEMALE AND N FEMALE BULKHEAD TYPE PER MIL-PRF-39012, FINISH SHALL BE CORROSION RESISTANT, SHALL HAVE MOUNTING HOLE 0.620 TO 0.640 INCH LONG BY 0.526 TO 0.546 INCH WIDE.THIS ITEM IS A HARDNESS CRITICAL ITEM AND ANY CHANGES TO OR PROPOSED SUBTITUTIONS OF HCI ITEMS MUST BE EVALUATED FOR HARDNESS IMPACTS. IN. 1 specification is 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 5920-01-537-9312 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.