The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-413-5494, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. Government technical data includes 24 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-413-5494 |
| Primary Part Number | 164A210-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Length | 0.380 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A |
| Left Projection Diameter | 0.138 INCHES NOMINAL IN |
| Left Projection Length | 0.390 INCHES NOMINAL IN |
| Thread Length | 0.281 INCHES MINIMUM RIGHT INTERNAL IN |
| Thread Length | 0.390 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | PROJECTION BOTH ENDS LEFT AND RIGHT INTERNAL THREADS |
| Material Document and Classification | -QQ-A-250/11 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Diameter | 0.870 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.138 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Nominal Thread Size | 0.216 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | CHROMATE OVERALL |
| Thread Class | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 32 LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Quantity Per Inch | 28 RIGHT INTERNAL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Right Projection Diameter | 0.216 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| Thread Series Designator | UNF RIGHT INTERNAL |
| Right Projection Length | 0.370 INCHES NOMINAL 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 |
|---|---|
| 164A210-1 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
NSN 5340-01-413-5494 is a Standoff,threaded,spacing, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-413-5494 has 1 manufacturer part number on file: 164A210-1 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for 164A210-1: Length: 0.380 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-5541 CL 1A MIL SPEC SINGLE TREATMENT RESPONSE OVERALL A; Left Projection Diameter: 0.138 INCHES NOMINAL IN; Left Projection Length: 0.390 INCHES NOMINAL IN. 24 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.