The Cap,tube, cataloged under National Stock Number 4730-01-357-3457, 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 Transdigm Inc Div Adelwiggins Group. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 4730-01-357-3457 |
| Primary Part Number | 63301-16 |
| Item Name | Cap,tube |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Connection Style | SOCKET |
| Tube Outside Diameter for Which Designed | 1.000 INCHES NOMINAL IN |
| Style Designator | CAP, TUBE COUPLING, GASKET SEAL |
| Operating Pressure | 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Features Provided | NUT AND O RING |
| Maximum Operating Temp | 200.0 FAHRENHEIT DEGF |
| Surface Treatment | ANODIZE OVERALL |
| Media for Which Designed | FUEL/OIL, HYDROCARBON AND HYDRAULIC FLUID |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
|---|---|
| 63301-16 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| Reference | Meaning |
|---|---|
| 63301 | D/9 Drawing number reference only Transdigm Inc Div Adelwiggins Group |
NSN 4730-01-357-3457 is a Cap,tube, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-357-3457 has 1 manufacturer part number on file: 63301-16 (Transdigm Inc Div Adelwiggins Group).
2 possible matches (shared part number, not a government interchangeability claim): 5120-01-614-5544, 3439-01-677-9350. Verify interchangeability with system specifications before substitution.
Key specifications for 63301-16: Surface Treatment Document and Classification: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Connection Style: SOCKET; Tube Outside Diameter for Which Designed: 1.000 INCHES NOMINAL IN; Style Designator: CAP, TUBE COUPLING, GASKET SEAL. 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.