The Teletypewriter Subassembly, cataloged under National Stock Number 5815-01-016-1844, is classified within Federal Supply Class 5815 (Teletype and Facsimile Equipment) of the Communication, Detection, and Coherent Radiation Equipment group. The manufacturer of record is Lucent Technologies Inc Corporate Headquarters. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5815-01-016-1844 |
| Primary Part Number | 402507 |
| Item Name | Teletypewriter Subassembly |
| FSC / FSG | 5815 / 58 — Teletype and Facsimile Equipment |
| Manufacturer | Lucent Technologies Inc Corporate Headquarters |
| Status | ACTIVE |
| 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 |
|---|---|
| 402507 | Telemechanics Inc (USA) |
| 402507 PRIMARY | Lucent Technologies Inc Corporate Headquarters (USA) |
| Reference | Meaning |
|---|---|
| 402507 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 402507 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 402507 | 5/9 Secondary reference Lucent Technologies Inc Dba Federal Marketing Group |
NSN 5815-01-016-1844 is a Teletypewriter Subassembly, manufactured by Lucent Technologies Inc Corporate Headquarters, classified under FSC 5815, Teletype and Facsimile Equipment. Status: active.
NSN 5815-01-016-1844 has 2 manufacturer part numbers on file: 402507 (Telemechanics Inc), 402507 (Lucent Technologies Inc Corporate Headquarters).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-650-9523. Verify interchangeability with system specifications before substitution.
Key specifications for 402507: Overall Height: 1.125 INCHES NOMINAL IN; Overall Length: 3.312 INCHES NOMINAL IN; Overall Width: 1.750 INCHES NOMINAL IN; Special Features: TRACK 1; SPRING 1; PLATE 3; BRACKET 3. 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.