The Bracket,mounting, cataloged under National Stock Number 5340-01-311-9430, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-311-9430 |
| Primary Part Number | 1210B3428 |
| Item Name | Bracket,mounting |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| 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 |
|---|---|
| 1210B3428 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1210B3428 | 5/9 Secondary reference Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems |
NSN 5340-01-311-9430 is a Bracket,mounting, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-311-9430 has 1 manufacturer part number on file: 1210B3428 (Lockheed Martin Corporation Div Rms).
Key specifications for 1210B3428: Special Features: STEEL,CORROSION RESISTING,MIL-S-5059 COMP 301,PASSIVATE,QQ-P-35 TY 2; 0.690 IN. LG; 0.190 IN. W; 0.125 IN. THK; TWO FLANGES,0.090 IN. LG BY 0.039 IN. HT; CHAMFERED 0.060 IN. BY 0.060 IN.; TWO HOLES 0.178 IN. MIN AND 0.183 IN. MAX DIA,0.312 IN. C TO C IN. 0 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.