The Adapter,straight,pipe to Boss, cataloged under National Stock Number 4730-01-017-5632, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Mid-State Sales, Inc. Div Defense Products Group. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-017-5632 |
| Primary Part Number | 6401-8 |
| Item Name | Adapter,straight,pipe to Boss |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Mid-State Sales, Inc. Div Defense Products Group |
| Status | ACTIVE |
| Furnished Items and Quantity | 1 PREFORMED PACKING |
| Nominal Pipe Size Accommodated | 0.375 INCHES FIRST END IN |
| Connection Style | EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Overall Length | 1.380 INCHES IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END |
| Connection Type | THREADED EXTERNAL PIPE FIRST END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Nominal Thread Size | 0.375 INCHES FIRST END IN |
| Surface Treatment | ZINC OVERALL |
| Thread Class | 2A SECOND END A |
| Material | STEEL OVERALL |
| Thread Series Designator | NPTF FIRST END |
| Thread Series Designator | UNF SECOND END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 6401-8 | Mid-State Sales, Inc. Div Defense Products Group (USA) |
| Reference | Meaning |
|---|---|
| 8-6SAPC11 | 3/9 Design control — primary reference Jm Fittings, Llc Dba L & L Fittings Mfg |
| 8-6SAPC11 | 5/9 Secondary reference Ronco Corp |
NSN 4730-01-017-5632 is a Adapter,straight,pipe to Boss, manufactured by Mid-State Sales, Inc. Div Defense Products Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-017-5632 has 1 manufacturer part number on file: 6401-8 (Mid-State Sales, Inc. Div Defense Products Group).
1 possible match (shared part number, not a government interchangeability claim): 4820-01-327-5110. Verify interchangeability with system specifications before substitution.
Key specifications for 6401-8: Furnished Items and Quantity: 1 PREFORMED PACKING; Nominal Pipe Size Accommodated: 0.375 INCHES FIRST END IN; Connection Style: EXTERNAL SEAT FOR GASKET SEAL (BOSS) SECOND END; Connection Style: PLAIN (PIPE) FIRST END. 14 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.