The Cap,filler Opening, cataloged under National Stock Number 5342-01-657-5344, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Yinlun Tdi, Llc Dba Yinlun Tdi, Llc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5342-01-657-5344 |
| Primary Part Number | RADIATOR CAP 1.1 |
| Item Name | Cap,filler Opening |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Yinlun Tdi, Llc Dba Yinlun Tdi, Llc |
| Status | ACTIVE |
| Accommodation Type | HEXAGON END GRIPPING |
| Style Designator | PLAIN-EXTERNAL LOCK |
| Outside Diameter | 2.320 INCHES NOMINAL IN |
| System for Which Designed | PRESSURIZED |
| Pressure Relief Method | MANUAL |
| Special Markings | DO NOT OPEN HOT;16 LBS LBS |
| 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 |
|---|---|
| RADIATOR CAP 1.1 PRIMARY | Yinlun Tdi, Llc Dba Yinlun Tdi, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4229953 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5342-01-657-5344 is a Cap,filler Opening, manufactured by Yinlun Tdi, Llc Dba Yinlun Tdi, Llc, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-657-5344 has 1 manufacturer part number on file: RADIATOR CAP 1.1 (Yinlun Tdi, Llc Dba Yinlun Tdi, Llc).
Key specifications for RADIATOR CAP 1.1: Overall Height: 1.100 INCHES NOMINAL IN; Accommodation Type: HEXAGON END GRIPPING; Style Designator: PLAIN-EXTERNAL LOCK; Outside Diameter: 2.320 INCHES NOMINAL IN. 6 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.