The Stuffing Tube, cataloged under National Stock Number 5975-00-581-4598, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-581-4598 |
| Primary Part Number | REB4933L1 |
| Item Name | Stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Bore Length | 3.159 INCHES NOMINAL IN |
| Thread Relief Length | 0.172 INCHES NOMINAL IN |
| Body Outside Diameter | 1.484 INCHES NOMINAL IN |
| Mounting Method | WELDED |
| Thread Length | 0.375 INCHES NOMINAL FIRST END IN |
| Thread Length | 0.765 INCHES NOMINAL BOTH ENDS IN |
| Criticality Code Justification | ZZZX |
| Style Designator | INTERNAL-EXTERNAL-DOUBLE |
| Overall Outside Diameter | 2.000 INCHES NOMINAL IN |
| Counterbore Depth | 0.625 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.250 INCHES SECOND END IN |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Size | 0.640 INCHES NOMINAL IN |
| Packing Chamber Quantity | 1 |
| Counterbore Diameter | 1.313 INCHES NOMINAL IN |
| First Packing Chamber Length | 0.188 INCHES NOMINAL IN |
| First End Chamfer Depth | 0.093 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| First Packing Chamber Inside Diameter | 0.840 INCHES NOMINAL IN |
| Thread Class | 2A BOTH ENDS A |
| Thread Class | 2B FIRST END |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 18 FIRST END |
| Bore Diameter | 0.697 INCHES NOMINAL IN |
| Thread Series Designator | UNEF FIRST END |
| Thread Series Designator | UNF SECOND END |
| 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 |
|---|---|
| REB4933L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| MIL-H-21367/11L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| REB49336 | 5/1 Secondary reference U.S. Government activity |
| MIL-H-21367/11 | 4/1 Identification reference U.S. Government activity |
| MX2326U | 4/1 Identification reference U.S. Government activity |
| MIL-C-21367L1 | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| MIL-C-21367 | 4/1 Identification reference U.S. Government activity |
| MX2326UL1 | 5/2 Secondary reference U.S. Government activity |
NSN 5975-00-581-4598 is a Stuffing Tube, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-00-581-4598 has 2 manufacturer part numbers on file: REB4933L1 (Naval Inventory Control Point Mechanicsburg), MIL-H-21367/11L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for REB4933L1: Bore Length: 3.159 INCHES NOMINAL IN; Thread Relief Length: 0.172 INCHES NOMINAL IN; Body Outside Diameter: 1.484 INCHES NOMINAL IN; Mounting Method: WELDED. 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.