The Clamp,instrument Mounting, cataloged under National Stock Number 5340-01-479-7219, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-479-7219 |
| Primary Part Number | HD12031-102 |
| Item Name | Clamp,instrument Mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| HD12031-102 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| GC500DJ2 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5340-01-479-7219 is a Clamp,instrument Mounting, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-479-7219 has 1 manufacturer part number on file: HD12031-102 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for HD12031-102: Special Features: ITEM IS PART OF AN ASSEMBLY CONSISTING OF CLEVIS BOLT, CRES CONDITION PER AMS 5629, NOSEPIECE, 17-4PH CRES CONDITION PER ASTM-A-562, COLLAR, 2024 ALUMINUM ALLOY PER QQ-A-225/6; ALL CRES PARTS ARE PASSIVATED PER QQ-P-35, COLLAR IS ANODIZED PER MIL-A-8625 TYPE II, CLASS 1 OR 2 AND KNOB HAS HARD ANODIZE PER MIL-A-8625, TYPE III, CLASS 1; LUBRICATION: DRY FILM LUBRICATED PER MIL-L-8937; Surface Treatment: PASSIVATE; Material: STEEL CORROSION RESISTING. 2 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.