The Stuffing Tube, cataloged under National Stock Number 5975-00-178-0591, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-178-0591 |
| Item Name | Stuffing Tube |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Mounting Method | THREAD |
| Thread Length | 0.875 INCHES NOMINAL SECOND END IN |
| Thread Length | 0.625 INCHES NOMINAL FIRST END IN |
| Overall Outside Diameter | 1.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND SECOND END |
| Thread Direction | RIGHT-HAND FIRST END |
| Nominal Thread Size | 1.000 INCHES SECOND END IN |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Size | 0.515 INCHES NOMINAL IN |
| Packing Chamber Quantity | 1 |
| Thread Class | 2B SECOND END |
| Thread Quantity Per Inch | 12 SECOND END |
| Thread Quantity Per Inch | 14 FIRST END |
| Bore Diameter | 0.515 INCHES NOMINAL IN |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UN SECOND END |
| Thread Series Designator | NPT FIRST END |
| Furnished Items | GLAND NUT AND GLAND RING |
| 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 |
|---|---|
| M24235-13-002 | 2/2 Government specification standardization U.S. Government activity |
| MILS24235-13 | 4/1 Identification reference U.S. Government activity |
NSN 5975-00-178-0591 is a Stuffing Tube, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
6 possible matches (shared part number, not a government interchangeability claim): 5975-00-178-0592, 5975-00-178-0597, 5975-01-079-5792. Verify interchangeability with system specifications before substitution.
Key specifications for 5975-00-178-0591: Mounting Method: THREAD; Thread Length: 0.875 INCHES NOMINAL SECOND END IN; Thread Length: 0.625 INCHES NOMINAL FIRST END IN; Overall Length: 2.125 INCHES NOMINAL IN. 18 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.