The Cap,protective,dust and Moisture, cataloged under National Stock Number 5340-01-081-3416, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Sonfarrel Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-081-3416 |
| Primary Part Number | 3256981-1 |
| Item Name | Cap,protective,dust and Moisture |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Sonfarrel Inc. |
| Status | ACTIVE |
| Design Type | FRICTION |
| Material Document and Classification | ZZ-R-765B, CLASS 3B, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE |
| Opening Inside Diameter for Which Designed | 0.956 INCHES NOMINAL IN |
| Material | RUBBER SILICONE |
| 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 |
|---|---|
| 14-60981-1 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 3256981-1 PRIMARY | Sonfarrel Inc. (USA) |
| Reference | Meaning |
|---|---|
| 14-60981-1 REV A | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 14-60981-1 REV A | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5340-01-081-3416 is a Cap,protective,dust and Moisture, manufactured by Sonfarrel Inc., classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-081-3416 has 2 manufacturer part numbers on file: 14-60981-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems), 3256981-1 (Sonfarrel Inc.).
Key specifications for 3256981-1: Design Type: FRICTION; Material Document and Classification: ZZ-R-765B, CLASS 3B, GRADE 50 FED SPEC SINGLE MATERIAL RESPONSE; Opening Inside Diameter for Which Designed: 0.956 INCHES NOMINAL IN; Special Features: EMER ALL JETT LEGEND ON CAP TOP,ORANGE-YELLOW COLOR NO 13538 WITH BLACK LETTERS PER FED-STD 595A A. 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.