The Plug,pipe, cataloged under National Stock Number 4730-00-443-8376, 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 Allison Transmission Inc Dba Allison Transmission, Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-443-8376 |
| Primary Part Number | 103870 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Allison Transmission Inc Dba Allison Transmission, Inc |
| Status | ACTIVE |
| Head Type | CORED |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Connection Style | PLAIN |
| Drive End Style | RAISED SQUARE |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Nominal Thread Size | 1.000 INCHES EXTERNAL IN |
| Body Type | CORED |
| Material | IRON OVERALL |
| Thread Series Designator | NPTF EXTERNAL |
| 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 |
|---|---|
| 103870 | Allison Transmission Inc Dba Allison Transmission, Inc (USA) |
| Reference | Meaning |
|---|---|
| 103870 | C/1 Advisory reference — outside the item-of-supply concept General Motors Corp Electro-Motive Div |
| 103870 | 5/1 Secondary reference Terex Equipment Ltd Div Construction Equipment |
| 444598 | 5/9 Secondary reference Komatsu American Intl Co |
| 103870 | 3/2 Design control — primary reference U.S. Government activity |
| 103870 | 5/9 Secondary reference Detroit Diesel (overseas Distribution Corp) |
| 90319 | 5/9 Secondary reference Mcquay-Norris Inc Oem Div an Skf Industries Co |
| 444598 | 5/9 Secondary reference Euclid Inc |
| 444598 | 5/9 Secondary reference General Motors Corp |
| 103870 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
NSN 4730-00-443-8376 is a Plug,pipe, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-443-8376 has 1 manufacturer part number on file: 103870 (Allison Transmission Inc Dba Allison Transmission, Inc).
4 possible matches (shared part number, not a government interchangeability claim): 5815-00-539-6761, 6110-00-919-0225, 6680-01-353-3287. Verify interchangeability with system specifications before substitution.
Key specifications for 103870: Head Type: CORED; Nominal Pipe Size for Which Designed: 1.000 INCHES IN; Connection Style: PLAIN; Drive End Style: RAISED SQUARE. 9 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.