The Telemetric Data,transmitting Set, cataloged under National Stock Number 1420-01-256-0681, is classified within Federal Supply Class 1420 (Guided Missile Components) of the Guided Missiles group. Government technical data includes 8 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 1420-01-256-0681 |
| Item Name | Telemetric Data,transmitting Set |
| FSC / FSG | 1420 / 14 — Guided Missile Components |
| Status | ACTIVE |
| Model Number | AN/DKT-58(V1)-4 |
| Package Nominal Overall Height and Type | 6.62 INCHES SHIPPING CONTAINER IN |
| Package Nominal Overall Width and Type | 12.94 INCHES SHIPPING CONTAINER IN |
| General Characteristics Item Description | C/O FREQUENCY 2211.5 MHZ,ANTENNA S BAND,HOUSING TELEMETRIC SECTION TYPE I,TRANSMITTING SET SUBASSEMBLY P/N 639AS4901-4,14.00 IN. LG,5.00 IN. DIA.,FOR AIM-9M MHz |
| Package Nominal Overall Length and Type | 15.37 INCHES SHIPPING CONTAINER IN |
| Hazardous Material Classification Code | I COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND JS STORAGE COMPATIBILITY GROUP |
| Gross Weight | 52.5 SHIPPING CONTAINER POUNDS |
| Reference Number Differentiating Characteristics | PKG 2 PER MK386-0 CNTR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) I COAST GUARD CLASS AND 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION AND JS STORAGE COMPATIBILITY GROUP |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-T-8557AS | 4/1 Identification reference U.S. Government activity |
| 639AS4900-4 | 3/1 Design control — primary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| AN/DKT-58(V1)-4 | 5/1 Secondary reference Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 1420-01-256-0681 is a Telemetric Data,transmitting Set, classified under FSC 1420, Guided Missile Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 1420-01-256-5434. Verify interchangeability with system specifications before substitution.
Key specifications for 1420-01-256-0681: Model Number: AN/DKT-58(V1)-4; Package Nominal Overall Height and Type: 6.62 INCHES SHIPPING CONTAINER IN; Package Nominal Overall Width and Type: 12.94 INCHES SHIPPING CONTAINER IN; General Characteristics Item Description: C/O FREQUENCY 2211.5 MHZ,ANTENNA S BAND,HOUSING TELEMETRIC SECTION TYPE I,TRANSMITTING SET SUBASSEMBLY P/N 639AS4901-4,14.00 IN. LG,5.00 IN. DIA.,FOR AIM-9M MHz. 8 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). The government record also carries hazard data: DOT hazard class, UN number, or related classification fields. Special handling, storage, and shipping requirements apply per the cited government fields.
NSN 1420-01-256-0681 has DEMIL Code G. 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.