The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-431-3176, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-431-3176 |
| Primary Part Number | M85049/138-38C |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Design Type | FRICTION |
| Overall Diameter | 1.375 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN |
| Tube Outside Diameter for Which Designed | 1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-B-81705, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Material | PLASTIC |
| Inside Diameter Length | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 99208278 | Thales Sa (FRA) |
| M85049/138-38C PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS90376-20YB | 5/9 Secondary reference U.S. Government activity |
| SAE-AS85049/138 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 52108 FIND 25 | 5/9 Secondary reference Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| C235A463-20Y | 5/1 Secondary reference Telephonics Corp |
| M85049/138-38C | 3/9 Design control — primary reference U.S. Government activity |
NSN 5340-01-431-3176 is a Cap,protective,dust and Moisture, manufactured by Sae International Dba Sae International, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-431-3176 has 2 manufacturer part numbers on file: 99208278 (Thales Sa), M85049/138-38C (Sae International Dba Sae International).
Key specifications for M85049/138-38C: Design Type: FRICTION; Overall Diameter: 1.375 INCHES MINIMUM AND 1.437 INCHES MAXIMUM IN; Tube Outside Diameter for Which Designed: 1.140 INCHES MINIMUM AND 1.160 INCHES MAXIMUM IN; Material Document and Classification: MIL-B-81705, TYPE 2 MIL SPEC SINGLE MATERIAL RESPONSE. 6 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.