The Fuseholder,receptacle, cataloged under National Stock Number 5920-01-172-3871, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Miller Electric Mfg. Llc. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 7 items share a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-172-3871 |
| Primary Part Number | 121-844 |
| Item Name | Fuseholder,receptacle |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Miller Electric Mfg. Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Body Style | SINGLE PLUG TYPE |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IN-LINE ALONG THE LENGTH |
| Overall Diameter | 1.625 INCHES NOMINAL IN |
| Center to Center Distance Between Outside Mounting Holes Along Length | 1.812 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Fuse Terminal Type Accommodated | SCREW BASE |
| Material | COPPER CONTACT |
| Material | PORCELAIN BODY |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 121-844 PRIMARY | Miller Electric Mfg. Llc (USA) |
| Reference | Meaning |
|---|---|
| 012-602 | 5/9 Secondary reference Miller Electric Mfg. Co. |
| 121-844 | 3/9 Design control — primary reference Miller Electric Mfg. Co. |
| 12-602 | C/1 Advisory reference — outside the item-of-supply concept Miller Electric Mfg. Co. |
NSN 5920-01-172-3871 is a Fuseholder,receptacle, manufactured by Miller Electric Mfg. Llc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-172-3871 has 1 manufacturer part number on file: 121-844 (Miller Electric Mfg. Llc).
7 possible matches (shared part number, not a government interchangeability claim): 6220-01-203-7001, 5340-01-327-3443, 5970-01-331-5814. Verify interchangeability with system specifications before substitution.
Key specifications for 121-844: Mounting Hole Quantity: 2; Body Style: SINGLE PLUG TYPE; Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED; Mounting Hole Style: IN-LINE ALONG THE LENGTH. 12 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.