The Cap,tube, cataloged under National Stock Number 4730-00-751-8926, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-751-8926 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | CANCELLED |
| Connection Style | FLARE |
| Tube Outside Diameter for Which Designed | 0.375 INCHES NOMINAL IN |
| Style Designator | CAP, TUBE, FLARED |
| Thread Direction | RIGHT-HAND INTERNAL |
| Nominal Thread Size | 0.625 INCHES INTERNAL IN |
| Seat Angle | 45.0 DEGREES |
| Thread Class | 3B INTERNAL |
| Material | COPPER ALLOY OVERALL |
| Thread Series Designator | UNF INTERNAL |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 52631 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4730-00-751-8926 is a Cap,tube, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: cancelled.
4 possible matches (shared part number, not a government interchangeability claim): 2835-01-078-2081, 5210-01-170-0735, 5315-01-487-5631. Verify interchangeability with system specifications before substitution.
Key specifications for 4730-00-751-8926: Connection Style: FLARE; Tube Outside Diameter for Which Designed: 0.375 INCHES NOMINAL IN; Style Designator: CAP, TUBE, FLARED; Thread Direction: RIGHT-HAND INTERNAL. 9 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.
NSN 4730-00-751-8926 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.