The Mount,resilient,weapon System, cataloged under National Stock Number 5342-01-028-6211, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-028-6211 |
| Item Name | Mount,resilient,weapon System |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Status | ACTIVE |
| Flange Mounting Hole Diameter | 0.656 INCHES NOMINAL IN |
| Load Rating | 450.0 POUNDS MAXIMUM LBS |
| Distance Between Mounting Hole Centers | 5.370 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN |
| Flange Thickness | 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Style Designator | ROUND W/FLANGED BUSHING TWO-HOLE FLANGE |
| Material Document and Classification | MIL-S-20166, GRADE M MIL SPEC SINGLE MATERIAL RESPONSE BUSHING |
| Material Document and Classification | MIL-S-20166, GRADE M MIL SPEC SINGLE MATERIAL RESPONSE SPACER |
| Material Document and Classification | MIL-S-20166, GRADE M MIL SPEC SINGLE MATERIAL RESPONSE WASHER |
| Material Document and Classification | MIL-S-21952, TYPE B MIL SPEC SINGLE MATERIAL RESPONSE MOUNTING PLATE |
| Material Document and Classification | MIL-S-21952, TYPE B MIL SPEC SINGLE MATERIAL RESPONSE PLATE |
| Static Load Rating at Specified Deflection | 450 POUND LOAD RATING AT 0.300 TO 0.400 INCH DEFLECTION LBS |
| Flange Length | 6.500 INCHES NOMINAL IN |
| Distance From Flange to End | 1.780 INCHES MINIMUM AND 1.905 INCHES MAXIMUM IN |
| Load/frequency Range | 450.0 LB LOAD FOR 5.0 TO 6.2 HERTZ LBS |
| Nondefinitive Spec/std Data | 6-450 TYPE |
| Inside Diameter | 0.766 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Height | 3.686 INCHES NOMINAL IN |
| Flange Width | 4.750 INCHES NOMINAL IN |
| Material | STEEL MOUNTING PLATE |
| Material | STEEL SPACER |
| Material | STEEL PLATE |
| Material | STEEL WASHER |
| Material | STEEL BUSHING |
| Nonmetallic Hardness Rating | 40.0 MINIMUM SHORE DUROMETER A AND 50.0 MAXIMUM SHORE DUROMETER A |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 6M450 | 2/2 Government specification standardization U.S. Government activity |
| 803-5001002 TY 6M450 | 5/9 Secondary reference Naval Sea Systems Command |
| MIL-M-24476 | 4/1 Identification reference U.S. Government activity |
| 810-4444653TY6M450 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5342-01-028-6211 is a Mount,resilient,weapon System, classified under FSC 5342, Hardware, Weapon System. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5342-01-028-7076, 5342-01-144-4427, 5342-01-158-5325. Verify interchangeability with system specifications before substitution.
Key specifications for 5342-01-028-6211: Flange Mounting Hole Diameter: 0.656 INCHES NOMINAL IN; Load Rating: 450.0 POUNDS MAXIMUM LBS; Distance Between Mounting Hole Centers: 5.370 INCHES MINIMUM AND 5.380 INCHES MAXIMUM IN; Flange Thickness: 0.622 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN. 24 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.