The Stuffing Tube, cataloged under National Stock Number 5975-00-220-2275, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-220-2275 |
| Primary Part Number | SS302-2477255-3L1 |
| Item Name | Stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Item Accommodated Maximum Thickness | 5.000 INCHES IN |
| Bore Length | 5.381 INCHES NOMINAL IN |
| Thread Relief Length | 0.188 INCHES NOMINAL IN |
| Body Outside Diameter | 1.745 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Mounting Method | FLANGE AND LOCKNUT |
| Thread Length | 0.343 INCHES NOMINAL SECOND END IN |
| Thread Length | 0.468 INCHES NOMINAL BOTH ENDS IN |
| Thread Length | 1.128 INCHES NOMINAL FIRST END IN |
| Criticality Code Justification | ZZZY |
| Style Designator | INTERNAL-EXTERNAL-DOUBLE |
| Overall Outside Diameter | 2.750 INCHES NOMINAL IN |
| Counterbore Depth | 0.531 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Nominal Thread Size | 1.000 INCHES BOTH ENDS IN |
| Packing Chamber Quantity | 1 |
| Counterbore Diameter | 0.775 INCHES MINIMUM AND 1.067 INCHES MAXIMUM IN |
| First Packing Chamber Length | 0.156 INCHES NOMINAL IN |
| First End Chamfer Depth | 0.062 INCHES NOMINAL IN |
| First Packing Chamber Inside Diameter | 0.518 INCHES MINIMUM AND 0.523 INCHES MAXIMUM IN |
| Thread Class | 2A FIRST END A |
| Thread Class | 2A BOTH ENDS A |
| Thread Class | 2B SECOND END |
| Thread Quantity Per Inch | 14 BOTH ENDS |
| Bore Diameter | 0.390 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UNS BOTH ENDS |
| Inside Recess Length | 0.219 INCHES NOMINAL IN |
| Second End Chamfer Angle | 20.0 DEGREES NOMINAL |
| Thread Relief Depth | 0.036 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 | S |
| Part Number | Manufacturer |
|---|---|
| SS302-2477255-3L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| MX8210B | 5/1 Secondary reference U.S. Government activity |
| SS302-2477255-3 | 3/9 Design control — primary reference Naval Ship Engineering Center Philadelphia Division Submarine Antenna Quality Assurance |
| MX8210BL1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 5975-00-220-2275 is a Stuffing Tube, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-220-2275 has 1 manufacturer part number on file: SS302-2477255-3L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for SS302-2477255-3L1: Item Accommodated Maximum Thickness: 5.000 INCHES IN; Bore Length: 5.381 INCHES NOMINAL IN; Thread Relief Length: 0.188 INCHES NOMINAL IN; Body Outside Diameter: 1.745 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN. 29 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.