The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-130-8892, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-130-8892 |
| Primary Part Number | 1B48128-1 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Design Type | THREADED |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Thread Pitch Diameters | +0.4104 TO 0.4153 INCHES IN |
| Material Document and Classification | QQ-A-225/6, T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Surface Treatment | ANODIZE |
| Thread Class | 2B |
| Material | ALUMINUM ALLOY |
| Thread Size and Series/type Designator | 0.438-24 UNS |
| Inside Diameter Length | 0.900 INCHES NOMINAL IN |
| Round Cap Outside Surface Condition | SMOOTH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1B48128-1 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 10154126 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5340-01-130-8892 is a Cap,protective,dust and Moisture, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-130-8892 has 1 manufacturer part number on file: 1B48128-1 (The Boeing Company).
Key specifications for 1B48128-1: Width Across Flats: 0.750 INCHES NOMINAL IN; Design Type: THREADED; Overall Diameter: 1.000 INCHES NOMINAL IN; Thread Pitch Diameters: +0.4104 TO 0.4153 INCHES IN. 11 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.