The Circuit Card Assembly, cataloged under National Stock Number 5998-01-421-2250, is classified within Federal Supply Class 5998 (Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Avaya Inc Dba Avaya Government Solutions. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5998-01-421-2250 |
| Primary Part Number | TN775B |
| Item Name | Circuit Card Assembly |
| FSC / FSG | 5998 / 59 — Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware |
| Manufacturer | Avaya Inc Dba Avaya Government Solutions |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JH |
| Weight | 3.0000 lbs |
| Cube | 0.9722 cu ft |
| Part Number | Manufacturer |
|---|---|
| TN775B | Avaya Inc Dba Avaya Government Solutions (USA) |
| TN775B | Cbst Acquisition Llc Dba Cbs Technologies (USA) |
| 106647985 | Avaya Inc Dba Avaya Government Solutions (USA) |
| Reference | Meaning |
|---|---|
| 106647985 | 5/9 Secondary reference American Telephone and Telegraph Co |
| TN775B | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| TN775B | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
| 106647985 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
| 106647985 | 3/9 Design control — primary reference Lucent Technologies Inc Dba Federal Marketing Group |
| TN775B | 5/9 Secondary reference Lucent Technologies Inc Advanced Technology Systems |
| TN775B | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5998-01-421-2250 is a Circuit Card Assembly, manufactured by Avaya Inc Dba Avaya Government Solutions, classified under FSC 5998, Electrical and Electronic Assemblies, Boards, Cards, and Associated Hardware. Status: active.
NSN 5998-01-421-2250 has 3 manufacturer part numbers on file: TN775B (Avaya Inc Dba Avaya Government Solutions), TN775B (Cbst Acquisition Llc Dba Cbs Technologies), 106647985 (Avaya Inc Dba Avaya Government Solutions).
Key specifications for TN775B: End Item Identification: FIBER OPTIC TELEPHONE SYSTEM. 0 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.