The Standoff,threaded,spacing, cataloged under National Stock Number 5340-00-928-2909, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Positronic Industries Inc Div Amphenol Military Aerospace Operations. Government technical data includes 8 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through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-928-2909 |
| Primary Part Number | 12H3-04X09C |
| Item Name | Standoff,threaded,spacing |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Positronic Industries Inc Div Amphenol Military Aerospace Operations |
| Status | ACTIVE |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Length | 0.563 INCHES NOMINAL IN |
| Style Designator | INTERNALLY THREADED FULL LENGTH |
| Material Document and Classification | ASTM A582, TYPE 303, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Specification/standard Data | 80205-NAS1786 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Cross-Sectional Shape | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 12H3-04X09C | Positronic Industries Inc Div Amphenol Military Aerospace Operations (USA) |
| Reference | Meaning |
|---|---|
| 860314-63 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| 8107-SS-0440-7 | 5/9 Secondary reference New Haven Mfg Corp Amatom Electronic Hardware Div |
| 107-3-83 | 5/9 Secondary reference U.S. Government activity |
| 8107-SS-0440-7 | C/1 Advisory reference — outside the item-of-supply concept Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware |
| 860314-63 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| NAS1786C04-9 | 3/2 Design control — primary reference U.S. Government activity |
| 107-3-83 | 5/9 Secondary reference Litton Systems Inc Amecom Div |
| 532353-407 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-00-928-2909 is a Standoff,threaded,spacing, manufactured by Positronic Industries Inc Div Amphenol Military Aerospace Operations, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-928-2909 has 1 manufacturer part number on file: 12H3-04X09C (Positronic Industries Inc Div Amphenol Military Aerospace Operations).
Key specifications for 12H3-04X09C: Width Across Flats: 0.188 INCHES NOMINAL IN; Length: 0.563 INCHES NOMINAL IN; Style Designator: INTERNALLY THREADED FULL LENGTH; Material Document and Classification: ASTM A582, TYPE 303, COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 8 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.