The Cap,retention,pressure Plug, cataloged under National Stock Number 4730-01-421-1658, 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 Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-421-1658 |
| Primary Part Number | GS22753-11 |
| Item Name | Cap,retention,pressure Plug |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Overall Diameter | 4.500 INCHES NOMINAL IN |
| General Characteristics Item Description | CTR HOLE THD 0.375 IN. NPT; 3 MTD EARS W/0.219 IN. HOLES IN |
| Material | STEEL |
| 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 |
|---|---|
| GS22753-11 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
| Reference | Meaning |
|---|---|
| GS22753 | D/9 Drawing number reference only Hamilton Sundstrand Corporation Dba Collins Aerospace |
NSN 4730-01-421-1658 is a Cap,retention,pressure Plug, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-421-1658 has 1 manufacturer part number on file: GS22753-11 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for GS22753-11: Overall Height: 0.500 INCHES NOMINAL IN; Overall Diameter: 4.500 INCHES NOMINAL IN; General Characteristics Item Description: CTR HOLE THD 0.375 IN. NPT; 3 MTD EARS W/0.219 IN. HOLES IN; End Item Identification: SUPPORT EQUIPMENT; B-2 BOMBER. 3 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.