The Waveguide Assembly, cataloged under National Stock Number 5985-01-187-4955, 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 Microtech Inc Dba Microtech Inc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-187-4955 |
| Primary Part Number | MSB-62-504 (S) 4.51 (A) |
| Item Name | Waveguide Assembly |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microtech Inc Dba Microtech Inc |
| Status | ACTIVE |
| Flange Quantity | 2 |
| Style Designator | OFFSET BEND TYPE |
| Waveguide Inside Width | 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | INTERNAL, RECTANGULAR EXTERNAL, ROUND |
| Waveguide Center to Center Distance | 1.650 INCHES MINIMUM AND 1.680 INCHES MAXIMUM IN |
| Waveguide Length | 3.753 INCHES MINIMUM AND 3.773 INCHES MAXIMUM IN |
| Waveguide Inside Height | 0.309 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5187979 | Naval Sea Systems Command (USA) |
| MSB-62-504 (S) 4.51 (A) PRIMARY | Microtech Inc Dba Microtech Inc (USA) |
| 5187979 | British Sarozal Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5985PL1327213 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5985-01-187-4955 is a Waveguide Assembly, manufactured by Microtech Inc Dba Microtech Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-187-4955 has 3 manufacturer part numbers on file: 5187979 (Naval Sea Systems Command), MSB-62-504 (S) 4.51 (A) (Microtech Inc Dba Microtech Inc), 5187979 (British Sarozal Ltd).
Key specifications for MSB-62-504 (S) 4.51 (A): Flange Quantity: 2; Style Designator: OFFSET BEND TYPE; Waveguide Inside Width: 0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Cross-Sectional Shape Style: INTERNAL, RECTANGULAR EXTERNAL, ROUND. 7 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 5985-01-187-4955 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.