The Fuze,mechanical Time and Superqu, cataloged under National Stock Number 1390-00-028-4917, is classified within Federal Supply Class 1390 (Fuzes and Primers) of the Ammunition and Explosives group. Government technical data includes 17 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government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 | 1390-00-028-4917 |
| Item Name | Fuze,mechanical Time and Superqu |
| FSC / FSG | 1390 / 13 — Fuzes and Primers |
| Status | ACTIVE |
| Net Explosive Weight | 0.00111 STORAGE POUNDS AND 0.00111 TRANSPORTATION POUNDS |
| Delay Time in Seconds | 0.00 MINIMUM AND 75.00 MAXIMUM |
| Fuze Model Number | M501A1 |
| Dot Proper Shipping Name | FUZES, DETONATING |
| Unit Package Type | CAN, METAL AND BOX, WOOD |
| Dot Identification Number | UN0257 |
| Dot Registration Code | EX1988050917 |
| Fuze Wrench | NOT INCLUDED |
| Unit Package Quantity | 1 AND 20 |
| Dod Ammunition Code | 1390-N276 |
| Hazardous Material Classification Code | 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION |
| Unable to Decode | UNABLE TO DECODE |
| Action Time Designation | SELECTIVE DELAY |
| Package Reference Number | 76-1-752 US ARMY AND 55/101 US NAVY US |
| Gross Weight | 49.2 SHIPPING CONTAINER POUNDS AND 1574.0 PALLET POUNDS |
| Booster | NOT INCLUDED |
| Reference Number Differentiating Characteristics | AS DIFF BY DELAY TIME,FUZE MODEL NO.,PKG DATA |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL G — Ammunition & Explosives |
| Hazard | No hazard code in the DLA record (HMIC N) UN ID UN0257 · 1.4 DEPARTMENT OF DEFENSE HAZARD CLASS DIVISION · ships as FUZES, DETONATING |
| Criticality Code | N |
| Reference | Meaning |
|---|---|
| MIL-F-10074 | 4/1 Identification reference U.S. Government activity |
| 73-7-136 | 3/1 Design control — primary reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Us Army Research, Development and Engineering Command Armament |
| 1390-N276 | 6/9 Informative reference only U.S. Government activity |
NSN 1390-00-028-4917 is a Fuze,mechanical Time and Superqu, classified under FSC 1390, Fuzes and Primers. Status: active.
9 possible matches (shared part number, not a government interchangeability claim): 1390-00-169-5415, 1390-00-305-0868, 1390-00-555-7179. Verify interchangeability with system specifications before substitution.
Key specifications for 1390-00-028-4917: Net Explosive Weight: 0.00111 STORAGE POUNDS AND 0.00111 TRANSPORTATION POUNDS; Delay Time in Seconds: 0.00 MINIMUM AND 75.00 MAXIMUM; Fuze Model Number: M501A1; Dot Proper Shipping Name: FUZES, DETONATING. 17 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 1390-00-028-4917 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.