The Insulation Sleeving,electrical, cataloged under National Stock Number 5970-01-684-2939, is classified within Federal Supply Class 5970 (Electrical Insulators and Insulating Materials) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Davlyn Manufacturing Co Llc Div Davlyn Manufacturing. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5970-01-684-2939 |
| Primary Part Number | M-E21630-48-18 |
| Item Name | Insulation Sleeving,electrical |
| FSC / FSG | 5970 / 59 — Electrical Insulators and Insulating Materials |
| Manufacturer | Davlyn Manufacturing Co Llc Div Davlyn Manufacturing |
| Status | ACTIVE |
| Temp Rating | 1202.0 FAHRENHEIT DEGF |
| Inside Diameter | 3.0 INCHES NOMINAL IN |
| 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 |
|---|---|
| M-E21630-48-18 PRIMARY | Davlyn Manufacturing Co Llc Div Davlyn Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 12605951 | C/1 Advisory reference — outside the item-of-supply concept Oshkosh Defense Llc |
| 12605951 | 7/2 Vendor item drawing reference U S Army Tank Automotive Command Amsta-Im-Mm |
NSN 5970-01-684-2939 is a Insulation Sleeving,electrical, manufactured by Davlyn Manufacturing Co Llc Div Davlyn Manufacturing, classified under FSC 5970, Electrical Insulators and Insulating Materials. Status: active.
NSN 5970-01-684-2939 has 1 manufacturer part number on file: M-E21630-48-18 (Davlyn Manufacturing Co Llc Div Davlyn Manufacturing).
Key specifications for M-E21630-48-18: Temp Rating: 1202.0 FAHRENHEIT DEGF; Overall Length: 23.0 INCHES NOMINAL IN; Inside Diameter: 3.0 INCHES NOMINAL IN; Special Features: MATERIAL BASALT. 2 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.