The Fuseholder,block, cataloged under National Stock Number 5920-00-938-8660, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-938-8660 |
| Primary Part Number | 7755616P024 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE CONTACT |
| Terminal Type and Quantity | 24 TAB, SOLDER LUG |
| Precious Material and Location | CONTACT SURFACES SILVER |
| Material Document and Classification | QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE CONTACT |
| Precious Material | SILVER |
| Surface Treatment | SILVER CONTACT |
| Material | COPPER ALLOY 170 OR COPPER ALLOY 172 CONTACT |
| Accommodated Fuse Length | 1.500 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL IN |
| Fuse Accommodation Quantity | 12 |
| Fuse Terminal Type Accommodated | FERRULE |
| Current Carrying Rating in Amps | 30.0 |
| Mounting Hole Quantity | 1 |
| Internal Circuit Configuration and Pole Quantity | 12 POLE, MAINLINE, FUSED |
| Body Style | CLIP CONNECTED TYPE |
| Center to Center Distance Between Outside Mounting Holes Along Length | 8.250 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.145 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN |
| Mounting Hole Style | IN-LINE ALONG THE LENGTH |
| Voltage in Volts | 250.0 |
| Base Thickness | 0.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 550039 | Littelfuse, Inc. (USA) |
| 7755616P024 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 3514-12 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
NSN 5920-00-938-8660 is a Fuseholder,block, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-00-938-8660 has 3 cross-referenced part numbers: 550039 (Littelfuse, Inc.), 7755616P024 (Lockheed Martin Corporation Div Rms), 3514-12 (Cooper Bussmann, Llc Dba Cooper Industries).
There are 5 known substitutes for 5920-00-938-8660: 5935-00-477-1311, 5930-00-678-0875, 4220-01-169-4520 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 7755616P024: Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE CONTACT; Terminal Type and Quantity: 24 TAB, SOLDER LUG; Precious Material and Location: CONTACT SURFACES SILVER; Material Document and Classification: QQ-C-533 FED SPEC SINGLE MATERIAL RESPONSE CONTACT. 23 total characteristics are documented in the Federal Logistics Information System.