The Standoff,threaded,snap-in, cataloged under National Stock Number 5340-01-631-5376, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Penn Engineering & Manufacturing Corp. Government technical data includes 11 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 | 5340-01-631-5376 |
| Primary Part Number | SMTSO-116-8ET |
| Item Name | Standoff,threaded,snap-in |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Penn Engineering & Manufacturing Corp |
| Status | ACTIVE |
| Flange Diameter | 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN |
| Length | 0.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B545, CL A NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | PROJECTION ONE END |
| Thread Direction | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| Nominal Thread Size | 12.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) MM |
| Surface Treatment | TIN ALLOY OVERALL |
| Material | STEEL OVERALL |
| Right Projection Diameter | 0.161 INCHES MAXIMUM IN |
| Right Projection Length | 0.060 INCHES NOMINAL IN |
| Hole Diameter | 0.113 INCHES MINIMUM AND 0.120 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| SMTSO-116-8ET PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5340-01-631-5376 is a Standoff,threaded,snap-in, manufactured by Penn Engineering & Manufacturing Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-631-5376 has 1 manufacturer part number on file: SMTSO-116-8ET (Penn Engineering & Manufacturing Corp).
Key specifications for SMTSO-116-8ET: Flange Diameter: 0.214 INCHES MINIMUM AND 0.224 INCHES MAXIMUM IN; Length: 0.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B545, CL A NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: PROJECTION ONE END. 11 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.