The Adapter Bushing, cataloged under National Stock Number 4730-01-302-6688, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-01-302-6688 |
| Primary Part Number | 1551AS261-1CP |
| Item Name | Adapter Bushing |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | CANCELLED |
| Material | COPPER ALLOY |
| Female End Thread Direction | RIGHT-HAND |
| Wrenching Facility Shape | HEXAGON |
| Thickness | 0.250 INCHES NOMINAL IN |
| Female End Thread Size | 1/4-18 |
| Width Across Flats | 1.120 INCHES NOMINAL IN |
| Female End Thread Class | 2B |
| Female End Screw Thread Series Designator | NPT |
| Male End Thread Length | 0.687 INCHES NOMINAL IN |
| Male End Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Male End Thread Size | 3/4-16 |
| Male End Thread Class | 2A A |
| Female End Thread Length | 0.940 INCHES NOMINAL IN |
| Male End Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1551AS261-1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 1551AS261 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 1551AS261-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 207ACBHS-4 | Parker-Hannifin Corp Div Fluid System Connector Division (USA) |
| 129-B-04X15 | Imperial (USA) |
NSN 4730-01-302-6688 is a Adapter Bushing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-302-6688 has 5 cross-referenced part numbers: 1551AS261-1CP (Naval Inventory Control Point Mechanicsburg), 1551AS261 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 1551AS261-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 207ACBHS-4 (Parker-Hannifin Corp Div Fluid System Connector Division), 129-B-04X15 (Imperial).
There are 4 known substitutes for 4730-01-302-6688: 4730-00-897-5497, 4730-01-245-6925, 4730-01-333-1815 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1551AS261-1CP: Material: COPPER ALLOY; Female End Thread Direction: RIGHT-HAND; Wrenching Facility Shape: HEXAGON; Thickness: 0.250 INCHES NOMINAL IN. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-302-6688 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.