The Stuffing Tube, cataloged under National Stock Number 5975-01-170-2609, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-170-2609 |
| Primary Part Number | CT0741-03 |
| Item Name | Stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Width Across Flats | 0.875 INCHES NOMINAL IN |
| Body Outside Diameter | 1.250 INCHES NOMINAL IN |
| Mounting Method | LOCKNUT |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Nominal Thread Size | 1.125 INCHES SECOND END IN |
| Nominal Thread Size | 0.875 INCHES FIRST END IN |
| Surface Treatment | NICKEL OVERALL |
| First Packing Chamber Inside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Class | 3A BOTH ENDS A |
| Thread Quantity Per Inch | 24 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY OVERALL |
| Thread Series Designator | UNEF SECOND END |
| Thread Series Designator | UNJEF FIRST END |
| 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 |
|---|---|
| CT0741-03 PRIMARY | R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp (USA) |
| Reference | Meaning |
|---|---|
| LE482-0027-0003 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
| P207-0003 | 5/9 Secondary reference Aerospace Manufacturing Inc Dba Aerospace Manufacturing Inc |
NSN 5975-01-170-2609 is a Stuffing Tube, manufactured by R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-170-2609 has 1 manufacturer part number on file: CT0741-03 (R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp).
1 possible match (shared part number, not a government interchangeability claim): 6230-01-284-5203. Verify interchangeability with system specifications before substitution.
Key specifications for CT0741-03: Width Across Flats: 0.875 INCHES NOMINAL IN; Body Outside Diameter: 1.250 INCHES NOMINAL IN; Mounting Method: LOCKNUT; Overall Length: 2.062 INCHES MINIMUM AND 2.362 INCHES MAXIMUM IN. 15 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.