The Stuffing Tube, cataloged under National Stock Number 5975-00-178-1522, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 29 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-00-178-1522 |
| Item Name | Stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Bore Length | 0.125 INCHES NOMINAL IN |
| Body Outside Diameter | 2.062 INCHES NOMINAL IN |
| Mounting Method | WELDED |
| Thread Length | 1.312 INCHES NOMINAL SECOND END IN |
| Thread Length | 0.670 INCHES NOMINAL FIRST END IN |
| Style Designator | PLAIN-DOUBLE |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.250 INCHES FIRST END IN |
| Nominal Thread Size | 1.750 INCHES SECOND END IN |
| Size | 1.171 INCHES NOMINAL IN |
| Packing Chamber Quantity | 1 |
| First Packing Chamber Length | 1.375 INCHES NOMINAL IN |
| Second End Chamfer Depth | 0.235 INCHES NOMINAL IN |
| First End Chamfer Depth | 0.235 INCHES NOMINAL IN |
| First Packing Chamber Inside Diameter | 1.250 INCHES NOMINAL IN |
| First End Chamfer Angle | 0.0 DEGREES NOMINAL |
| Thread Class | 2B SECOND END |
| Test Data Document | 81349-MIL-S-24235 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 12 FIRST END |
| Bore Diameter | 1.171 INCHES NOMINAL IN |
| Special Markings | K |
| Material | STEEL OVERALL |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | NPT FIRST END |
| Furnished Items | GLAND NUT AND GLAND RING |
| Second Packing Chamber Length | 2.765 INCHES NOMINAL IN |
| Second Packing Chamber Inside Diameter | 1.642 INCHES NOMINAL IN |
| Second End Chamfer Angle | 45.0 DEGREES NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| MIL-S-24235/9 | 4/1 Identification reference U.S. Government activity |
| M24235-9-129-1578 | 2/2 Government specification standardization U.S. Government activity |
| 5975PL1438751 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5975-00-178-1522 is a Stuffing Tube, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5975-01-716-4029. Verify interchangeability with system specifications before substitution.
Key specifications for 5975-00-178-1522: Bore Length: 0.125 INCHES NOMINAL IN; Body Outside Diameter: 2.062 INCHES NOMINAL IN; Mounting Method: WELDED; Thread Length: 1.312 INCHES NOMINAL SECOND END 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.