The Cap,tube, cataloged under National Stock Number 4730-01-349-3947, 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 Sea Systems Command. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-349-3947 |
| Primary Part Number | 6299921 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Style Designator | CAP |
| Thread Series Designator | UN INTERNAL |
| Connection Style | PLAIN (OPTIONAL END) |
| Nominal Thread Size | 1.625 INCHES INTERNAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Tube Outside Diameter for Which Designed | 1.250 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND INTERNAL |
| Surface Treatment Document and Classification | MIL-C-8625 TYPE III CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-367 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Quantity Per Inch | 12 INTERNAL |
| Thread Class | 2B INTERNAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6299921 PRIMARY | Naval Sea Systems Command (USA) |
NSN 4730-01-349-3947 is a Cap,tube, manufactured by Naval Sea Systems Command, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-349-3947 has 1 cross-referenced part number: 6299921 (Naval Sea Systems Command).
There is 1 known substitute for 4730-01-349-3947: 6660-01-194-5441. Verify interchangeability with system specifications before substitution.
Key specifications for 6299921: Style Designator: CAP; Thread Series Designator: UN INTERNAL; Connection Style: PLAIN (OPTIONAL END); Nominal Thread Size: 1.625 INCHES INTERNAL IN. 13 total characteristics are documented in the Federal Logistics Information System.