The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-516-9746, 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 19 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-516-9746 |
| Primary Part Number | 7326553-1 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Flange Width Across Flats | 1.800 INCHES NOMINAL IN |
| Width Across Flats | 1.800 INCHES NOMINAL IN |
| Corner Radius | 0.020 INCHES NOMINAL IN |
| Length | 1.380 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS 2488C ASSN STD SINGLE TREATMENT RESPONSE OR MIS 23545, TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Flange Thickness | 0.250 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Cross-Sectional Width | 2.000 INCHES NOMINAL IN |
| Thread Length | 1.630 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) IN |
| Style Designator | FLANGED LEFT INTERNAL THREAD |
| Material Document and Classification | MIL-T-9047, T1-6AL-4V (ELI), CONDITION A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL V |
| Cross-Sectional Length | 1.630 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND FLANGE HOLE |
| Nominal Thread Size | 0.250 INCHES FLANGE HOLE IN |
| Cross-Sectional Shape | ELLIPTICAL |
| Surface Treatment | ANODIZE OVERALL |
| Thread Class | 2B FLANGE HOLE |
| Thread Quantity Per Inch | 20 FLANGE HOLE |
| Material | TITANIUM ALLOY UNS R56400 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) FLANGE HOLE |
| 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 |
|---|---|
| 7326553-1 PRIMARY | Naval Sea Systems Command (USA) |
| 6390880-01 FIND 009 | Naval Sea Systems Command (USA) |
NSN 5340-01-516-9746 is a Standoff,threaded,spacing, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-516-9746 has 2 manufacturer part numbers on file: 7326553-1 (Naval Sea Systems Command), 6390880-01 FIND 009 (Naval Sea Systems Command).
Key specifications for 7326553-1: Flange Width Across Flats: 1.800 INCHES NOMINAL IN; Width Across Flats: 1.800 INCHES NOMINAL IN; Corner Radius: 0.020 INCHES NOMINAL IN; Length: 1.380 INCHES MINIMUM AND 1.390 INCHES MAXIMUM IN. 19 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.