The Seal,waveguide, cataloged under National Stock Number 5985-00-088-5464, 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 Us Army Aviation and Missile Command. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-088-5464 |
| Primary Part Number | 8518028 |
| Item Name | Seal,waveguide |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Seal Thickness | 0.125 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Style Designator | FOR RECTANGULAR WAVEGUIDE AND FLANGE |
| Seal Outside Height | 1.875 INCHES NOMINAL IN |
| Seal Outside Width | 1.875 INCHES NOMINAL IN |
| Surface Treatment | SILVER SINGLE SEAL ALL SURFACES |
| Precious Material and Location | SEAL SURFACE SILVER |
| 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 |
|---|---|
| 8518028 PRIMARY | Us Army Aviation and Missile Command (USA) |
| MA1429A | Semic Rf Electronic Gmbh (DEU) |
| H-410 | 3dbm Co Inc Waveguide Group (USA) |
| 352250019713 | Thales Nederland (NLD) |
| 8518028 | Microwave Engineering Corporation (USA) |
| VBE438-48 | Thales Nederland (NLD) |
| Reference | Meaning |
|---|---|
| 5985PL1370018 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| MA1429A | 5/9 Secondary reference U.S. Government activity |
| 3144946 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| 5985PL1365959 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 562945-000 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-00-088-5464 is a Seal,waveguide, manufactured by Us Army Aviation and Missile Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-088-5464 has 6 manufacturer part numbers on file: 8518028 (Us Army Aviation and Missile Command), MA1429A (Semic Rf Electronic Gmbh), H-410 (3dbm Co Inc Waveguide Group), 352250019713 (Thales Nederland), 8518028 (Microwave Engineering Corporation) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 5998-01-081-0959, 5310-01-197-2574. Verify interchangeability with system specifications before substitution.
Key specifications for 8518028: Seal Thickness: 0.125 INCHES NOMINAL IN; Precious Material: SILVER; Style Designator: FOR RECTANGULAR WAVEGUIDE AND FLANGE; Seal Outside Height: 1.875 INCHES NOMINAL IN. 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 5985-00-088-5464 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.