The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-491-2304, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 21 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.
| Parameter | Value |
|---|---|
| NSN | 5340-01-491-2304 |
| Primary Part Number | 7005610-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Length | 5.645 INCHES MINIMUM AND 5.665 INCHES MAXIMUM IN |
| Left Projection Diameter | 0.177 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Left Projection Length | 0.553 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN |
| Style Designator | PROJECTION BOTH ENDS |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Flatted Portion Length | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND RIGHT EXTERNAL |
| Thread Direction | RIGHT-HAND LEFT EXTERNAL |
| Nominal Thread Size | 0.250 INCHES RIGHT EXTERNAL IN |
| Nominal Thread Size | 0.250 INCHES LEFT EXTERNAL IN |
| Width Between Flats | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Cross-Sectional Shape | ROUND |
| Thread Class | 2A RIGHT EXTERNAL A |
| Thread Class | 2A LEFT EXTERNAL A |
| Thread Quantity Per Inch | 20 RIGHT EXTERNAL |
| Thread Quantity Per Inch | 20 LEFT EXTERNAL |
| Material | STEEL COMP 316 OVERALL |
| Right Projection Diameter | 0.177 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT EXTERNAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) LEFT EXTERNAL |
| Right Projection Length | 0.553 INCHES MINIMUM AND 0.572 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 |
| Part Number | Manufacturer |
|---|---|
| 7005610-1 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-491-2304 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-491-2304 has 1 manufacturer part number on file: 7005610-1 (Naval Sea Systems Command).
Key specifications for 7005610-1: Length: 5.645 INCHES MINIMUM AND 5.665 INCHES MAXIMUM IN; Left Projection Diameter: 0.177 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Left Projection Length: 0.553 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Style Designator: PROJECTION BOTH ENDS. 21 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.