The Mounting Pad,electrical-Electron, cataloged under National Stock Number 5999-01-079-9219, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-079-9219 |
| Primary Part Number | 28261 |
| Item Name | Mounting Pad,electrical-Electron |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Body Style | DISK |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.022 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Material Document and Classification | MIL-M-14F,TYPE SDG MIL SPEC SINGLE MATERIAL RESPONSE |
| Color | BLACK |
| Accommodated Device Mounting Hole Pattern Style | EIGHT HOLE - 0.400 INCH IN |
| Material | PLASTIC DIALLYL PHTHALATE MINERAL FILLED |
| Accommodated Device Mounting Hole Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 0.0100 lbs |
| Cube | 0.0010 cu ft |
| Part Number | Manufacturer |
|---|---|
| 503-408-D | The Delbert Blinn Co Inc (USA) |
| 28261 PRIMARY | Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit (USA) |
| Reference | Meaning |
|---|---|
| 216-45-1M | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5999-01-079-9219 is a Mounting Pad,electrical-Electron, manufactured by Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-079-9219 has 2 manufacturer part numbers on file: 503-408-D (The Delbert Blinn Co Inc), 28261 (Transistor Devices Inc Div Astrodyne Tdi High Power Business Unit).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-298-3704. Verify interchangeability with system specifications before substitution.
Key specifications for 28261: Mounting Facility Type and Quantity: 8 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 0.180 INCHES NOMINAL IN; Body Style: DISK; Overall Diameter: 0.500 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.