The Fuze,point Detonating, cataloged under National Stock Number 1390-00-028-4904, is classified within Federal Supply Class 1390 (Fuzes and Primers) of the Ammunition and Explosives group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 1390-00-028-4904 |
| Item Name | Fuze,point Detonating |
| FSC / FSG | 1390 / 13 — Fuzes and Primers |
| Status | ACTIVE |
| Assembly Type | INTEGRAL |
| Delay Time in Seconds | 0.05 NOMINAL |
| Fuze Model Number | M51A5 |
| Concrete Piercing Feature | NOT INCLUDED |
| Fuze Wrench | NOT INCLUDED |
| Dod Ammunition Code | 1390-N319 |
| Action Time Designation | TIME DELAY |
| Booster Model Number | M21A4 |
| Booster | INCLUDED |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY DELAY TIME IN SECONDS,FUZE MODEL NUMBER,UNIT PACKAGE QUANTITY,AND UNIT PACKAGE DATA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MILF10373B | 4/1 Identification reference U.S. Government activity |
| 1390-N319 | 6/9 Informative reference only U.S. Government activity |
| 73-2-146 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
NSN 1390-00-028-4904 is a Fuze,point Detonating, classified under FSC 1390, Fuzes and Primers. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1390-00-028-4905, 1390-00-301-2077, 1390-00-892-4153. Verify interchangeability with system specifications before substitution.
Key specifications for 1390-00-028-4904: Assembly Type: INTEGRAL; Delay Time in Seconds: 0.05 NOMINAL; Fuze Model Number: M51A5; Concrete Piercing Feature: NOT INCLUDED. 10 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.
NSN 1390-00-028-4904 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.