The Standoff,threaded,spacing, cataloged under National Stock Number 5340-01-445-0790, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Grimes Aerospace Company. Government technical data includes 14 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 | 5340-01-445-0790 |
| Primary Part Number | NS-5143 |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Grimes Aerospace Company |
| Status | ACTIVE |
| Length | 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-T-10727, TYPE I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | PROJECTION ONE END |
| Diameter | 0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND RIGHT INTERNAL |
| Nominal Thread Size | 0.1120 INCHES RIGHT INTERNAL IN |
| Cross-Sectional Shape | ROUND |
| Surface Treatment | TIN OVERALL |
| Thread Class | 2B RIGHT INTERNAL |
| Thread Quantity Per Inch | 40 RIGHT INTERNAL |
| Material | STEEL OVERALL |
| Right Projection Diameter | 0.1760 INCHES MINIMUM AND 0.1820 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |
| Right Projection Length | 0.0600 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 |
|---|---|
| NS-5143 PRIMARY | Grimes Aerospace Company (USA) |
| KFE-440-12ET PRIMARY | Penn Engineering & Manufacturing Corp (USA) |
NSN 5340-01-445-0790 is a Standoff,threaded,spacing, manufactured by Grimes Aerospace Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-445-0790 has 2 manufacturer part numbers on file: NS-5143 (Grimes Aerospace Company), KFE-440-12ET (Penn Engineering & Manufacturing Corp).
Key specifications for NS-5143: Length: 0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-T-10727, TYPE I MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: PROJECTION ONE END; Diameter: 0.2140 INCHES MINIMUM AND 0.2240 INCHES MAXIMUM IN. 14 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.