The Expansion Joint,pipe, cataloged under National Stock Number 4730-01-414-7916, 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 American Boa Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-414-7916 |
| Primary Part Number | 1008917 |
| Item Name | Expansion Joint,pipe |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | American Boa Inc |
| Status | ACTIVE |
| Design Type | CORRUGATED ELEMENT |
| Equalization Characteristic | NONEQUALIZING |
| End Connection Type | FLANGED |
| Guide Type | INTERNAL |
| Traverse Maximum Length | 10.750 INCHES IN |
| Bolt Hole Diameter | 0.500 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Bolt Circle Diameter | 0.812 INCHES NOMINAL IN |
| Material | STEEL COMP 316 FLANGE |
| Material | STEEL COMP 316 SLEEVE |
| Joint Type | SINGLE |
| Sleeve Quantity | 1 |
| 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 |
|---|---|
| 1008917 PRIMARY | American Boa Inc (USA) |
| Reference | Meaning |
|---|---|
| 70238 | 5/9 Secondary reference American Boa Inc |
| 6736974 FIND N0.F-7 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 8FSP3025-10.75-M5 | 5/9 Secondary reference American Boa Inc |
| 8IN FSP3025-10-3/4IN-M5 | 5/9 Secondary reference American Boa Inc |
NSN 4730-01-414-7916 is a Expansion Joint,pipe, manufactured by American Boa Inc, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-414-7916 has 1 manufacturer part number on file: 1008917 (American Boa Inc).
2 possible matches (shared part number, not a government interchangeability claim): 1660-01-434-2397, 4720-01-532-1024. Verify interchangeability with system specifications before substitution.
Key specifications for 1008917: Design Type: CORRUGATED ELEMENT; Equalization Characteristic: NONEQUALIZING; End Connection Type: FLANGED; Guide Type: INTERNAL. 12 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.