The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-621-1237, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-621-1237 |
| Primary Part Number | 1201107 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 2.11 INCHES NOMINAL IN |
| Tube Outside Diameter for Which Designed | 0.750 INCHES NOMINAL IN |
| Opening Inside Diameter for Which Designed | 0.750 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| 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 |
NSN 5340-01-621-1237 is a Cap,protective,dust and Moisture, manufactured by Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-621-1237 has 2 manufacturer part numbers on file: 52155K81 (Mcmaster-Carr Supply Co), 1201107 (Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt).
Key specifications for 1201107: Design Type: FRICTION; Overall Diameter: 2.11 INCHES NOMINAL IN; Tube Outside Diameter for Which Designed: 0.750 INCHES NOMINAL IN; Opening Inside Diameter for Which Designed: 0.750 INCHES NOMINAL IN. 5 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.