The Stuffing Tube, cataloged under National Stock Number 5975-01-170-7325, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-170-7325 |
| Primary Part Number | CT0437-07 |
| 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 | 1.750 INCHES NOMINAL IN |
| Body Outside Diameter | 1.750 INCHES NOMINAL IN |
| Mounting Method | LOCKNUT |
| Thread Direction | RIGHT-HAND BOTH ENDS |
| Nominal Thread Size | 1.500 INCHES FIRST END IN |
| Nominal Thread Size | 1.625 INCHES SECOND END IN |
| Surface Treatment | NICKEL OVERALL |
| First Packing Chamber Inside Diameter | 1.406 INCHES NOMINAL IN |
| Thread Class | 3A BOTH ENDS A |
| Thread Quantity Per Inch | 18 FIRST END |
| Thread Quantity Per Inch | 18 SECOND END |
| Bore Diameter | 1.250 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 |
|---|---|
| CT0437-07 PRIMARY | R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp (USA) |
| 900-672-0007 PRIMARY | Electro Adapter Inc (USA) |
| P264-0007 PRIMARY | Aerospace Manufacturing Inc Dba Aerospace Manufacturing Inc (USA) |
| Reference | Meaning |
|---|---|
| LE482-0022-0007 | 7/2 Vendor item drawing reference The Boeing Company Div Legacy Am&m |
NSN 5975-01-170-7325 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 5975-01-170-7325 has 3 manufacturer part numbers on file: CT0437-07 (R. Kern Engineering & Manufacturing Corp. Dba R Kern Engineering & Manufacturing Corp), 900-672-0007 (Electro Adapter Inc), P264-0007 (Aerospace Manufacturing Inc Dba Aerospace Manufacturing Inc).
Key specifications for CT0437-07: Width Across Flats: 1.750 INCHES NOMINAL IN; Body Outside Diameter: 1.750 INCHES NOMINAL IN; Mounting Method: LOCKNUT; Overall Length: 1.031 INCHES MINIMUM AND 1.406 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.