The Interface Unit,communication Equ, cataloged under National Stock Number 5895-01-718-8809, is classified within Federal Supply Class 5895 (Miscellaneous Communication Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Persistent Systems Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5895-01-718-8809 |
| Primary Part Number | WR-PTT-SYS-03 |
| Item Name | Interface Unit,communication Equ |
| FSC / FSG | 5895 / 58 — Miscellaneous Communication Equipment |
| Manufacturer | Persistent Systems Llc |
| Status | ACTIVE |
| Document Type | CATALOG SHEET |
| Unpackaged Unit Length | 2.73 INCHES NOMINAL IN |
| Unpackaged Unit Width | 1.73 INCHES NOMINAL IN |
| Unpackaged Unit Height | 1.0 INCHES NOMINAL IN |
| Accessory Component Quantity | 6 |
| Usage Location | COMMUNICATIONS ZONE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WR-PTT-SYS-03 | Steatite Ltd (GBR) |
| WR-PTT-SYS-03 | Ele.si.a. Elettronica Sistemi Automazione Spa (ITA) |
| WR-PTT-SYS-03 PRIMARY | Persistent Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| M3952-990139 | 6/9 Informative reference only Forsvarets Materielverk |
NSN 5895-01-718-8809 is a Interface Unit,communication Equ, manufactured by Persistent Systems Llc, classified under FSC 5895, Miscellaneous Communication Equipment. Status: active.
NSN 5895-01-718-8809 has 3 manufacturer part numbers on file: WR-PTT-SYS-03 (Steatite Ltd), WR-PTT-SYS-03 (Ele.si.a. Elettronica Sistemi Automazione Spa), WR-PTT-SYS-03 (Persistent Systems Llc).
Key specifications for WR-PTT-SYS-03: Document Type: CATALOG SHEET; Unpackaged Unit Length: 2.73 INCHES NOMINAL IN; Unpackaged Unit Width: 1.73 INCHES NOMINAL IN; Unpackaged Unit Height: 1.0 INCHES NOMINAL IN. 6 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.
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.