The Bolt,fluid Passage, cataloged under National Stock Number 4730-00-006-9373, 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 Sae International Dba Sae International. Government technical data includes 24 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-00-006-9373 |
| Primary Part Number | AS5161J04 |
| Item Name | Bolt,fluid Passage |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| First End Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Width Across Flats | 0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN |
| First End Thread Direction | RIGHT-HAND |
| Length From Bearing Surface of Wrenching Feature to End of First Diameter | 1.172 INCHES NOMINAL IN |
| Body Style | PLAIN |
| First End Thread Class | 3A A |
| First End Thread Quantity Per Inch | 20 |
| First End Style Designator | FLARED |
| Concentric Hole Depth | 1.140 INCHES MINIMUM AND 1.171 INCHES MAXIMUM IN |
| Wrenching Feature Height | 0.203 INCHES NOMINAL IN |
| First End Thread Length | 0.438 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Wrenching Feature Style | HEXAGON |
| Material Document and Classification | AMS-QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE AND AMS 5639 FED SPEC 2ND MATERIAL RESPONSE |
| First End Seat Angle | 45.0 DEGREES NOMINAL |
| Specification/standard Data | 81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81343-AS5161 GOVERNMENT STANDARD |
| Length From Bearing Surface of Wrenching Feature to Bolt End | 1.172 INCHES MINIMUM AND 1.203 INCHES MAXIMUM IN |
| Concentric Hole Diameter | 0.168 INCHES MINIMUM AND 0.175 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE |
| First Radial Fluid Hole Diameter | 0.188 INCHES NOMINAL IN |
| Distance From First Radial Hole Center to End of Bolt | 0.781 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| First Diameter From Wrenching Feature | 0.435 INCHES NOMINAL IN |
| First End Nominal Thread Size | 0.438 INCHES IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| AS5161J04 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| AS4875 | 5/9 Secondary reference U.S. Government activity |
| AS4875 | 5/9 Secondary reference Sae International Dba Sae International |
| AS5161 | 5/9 Secondary reference Sae International Dba Sae International |
| AS5161 | 5/9 Secondary reference U.S. Government activity |
| AN775-4J | 5/9 Secondary reference U.S. Government activity |
| AS5161J04 | 5/9 Secondary reference U.S. Government activity |
| SAE-AS4875 | 3/1 Design control — primary reference Sae International Dba Sae International |
| AS5161B | 5/9 Secondary reference U.S. Government activity |
NSN 4730-00-006-9373 is a Bolt,fluid Passage, manufactured by Sae International Dba Sae International, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-006-9373 has 1 manufacturer part number on file: AS5161J04 (Sae International Dba Sae International).
10 possible matches (shared part number, not a government interchangeability claim): 4730-00-274-0936, 4730-00-278-0373, 4730-00-278-0374. Verify interchangeability with system specifications before substitution.
Key specifications for AS5161J04: First End Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Width Across Flats: 0.684 INCHES MINIMUM AND 0.692 INCHES MAXIMUM IN; First End Thread Direction: RIGHT-HAND; Length From Bearing Surface of Wrenching Feature to End of First Diameter: 1.172 INCHES NOMINAL IN. 24 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.