The Cap,tube, cataloged under National Stock Number 4730-00-774-4647, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-774-4647 |
| Primary Part Number | 7744647 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Connection Style | PRESSURE SEAL FLARELESS |
| Tube Outside Diameter for Which Designed | 0.125 INCHES NOMINAL IN |
| Seat Nominal Radius | 0.0225 INCHES IN |
| Style Designator | CAP, TUBE, FLARELESS |
| Material Document and Classification | QQ-B-626,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.312 INCHES INTERNAL IN |
| Thread Class | 3B INTERNAL |
| Material | COPPER ALLOY 360 OVERALL |
| Thread Series Designator | UNEF INTERNAL |
| 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 |
|---|---|
| 7744647 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 515876 | 5/9 Secondary reference Renk America Llc Div Renk America |
| 515876 | 5/9 Secondary reference Ordnance Parts and Engineering Co |
NSN 4730-00-774-4647 is a Cap,tube, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-00-774-4647 has 1 manufacturer part number on file: 7744647 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7744647: Connection Style: PRESSURE SEAL FLARELESS; Tube Outside Diameter for Which Designed: 0.125 INCHES NOMINAL IN; Seat Nominal Radius: 0.0225 INCHES IN; Style Designator: CAP, TUBE, FLARELESS. 10 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.