The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-358-4881, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-358-4881 |
| Primary Part Number | 349190-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Width Across Flats | 0.200 INCHES NOMINAL IN |
| Length | 1.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Distance Between Hole Centers | 0.250 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | LEFT INTERNAL THREAD |
| Material Document and Classification | QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape | SQUARE |
| Surface Treatment | CHROMATE OVERALL |
| Distance From End to Hole Center | 0.150 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Quantity Perpendicular to Axis | 2 |
| 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 |
|---|---|
| 349190-1 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| 349190-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
NSN 5340-01-358-4881 is a Standoff,threaded,spacing, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-358-4881 has 1 manufacturer part number on file: 349190-1 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 349190-1: Width Across Flats: 0.200 INCHES NOMINAL IN; Length: 1.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541, CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Distance Between Hole Centers: 0.250 INCHES NOMINAL IN. 12 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.