The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-253-3787, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-253-3787 |
| Primary Part Number | 150-0439-070 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 0.730 INCHES NOMINAL IN |
| Connector Nominal Thread Size for Which Designed | 0.500 INCHES IN |
| Material Document and Classification | L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC |
| Inside Diameter Length | 0.500 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 |
|---|---|
| 150-0439-070 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| CEC-08 | Aviation Spares and Repairs Ltd (GBR) |
| P4330556-4 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| 91852853 | Thales Sa (FRA) |
| A1250174 | Thales Avs France SAS (FRA) |
| Reference | Meaning |
|---|---|
| 312995-008 | 7/2 Vendor item drawing reference U.S. Government activity |
| CEC-08 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-01-253-3787 is a Cap,protective,dust and Moisture, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-253-3787 has 5 manufacturer part numbers on file: 150-0439-070 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems), CEC-08 (Aviation Spares and Repairs Ltd), P4330556-4 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 91852853 (Thales Sa), A1250174 (Thales Avs France SAS).
Key specifications for 150-0439-070: Design Type: FRICTION; Overall Diameter: 0.730 INCHES NOMINAL IN; Connector Nominal Thread Size for Which Designed: 0.500 INCHES IN; Material Document and Classification: L-P-390, TYPE 1, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. 7 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.