The Adapter,base Plate, cataloged under National Stock Number 5342-01-309-8254, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5342-01-309-8254 |
| Primary Part Number | 7972356 |
| Item Name | Adapter,base Plate |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | COPPER ALLOY CASTING,QQ-C-390; WHITE ALKYD GLOSS ENAMEL FINISH,TT-E-489; 4.281 IN. FLANGE DIA; 0.281 IN. THK FLANGE; 0.875 IN. DIA AXIAL THRU HOLE; THREE MTG SLOTS 0.281 IN. MIN 0.297 IN. MAX W BY 0.562 IN. LG SPACED 120 DEG APART ON 3.500 IN. DIA BOLT CIRCLE; 1.656 IN. THK O/A; 2.750-4NA-2G THD BY 0.781 IN. LG ON ONE END W/KEYED CBORE 1.570 IN. MIN 1.575 IN. MAX DIA BY 0.781 IN. DP; ONE KEY WAY 0.781 IN. LG BY 0.218 IN. W BY 0.125 IN. H; UNDERCUT 2.406 IN. DIA BY 0.594 IN. W,WITH FLATTED SURFACE PARALLEL TO AXIS AND SPACED 1.094 IN. FROM AXIS; TWO THD MTG HOLES LOCATED IN FLATTED AREA 0.138-32UNC-2B BY 0.250 IN. DP SPACED 0.687 IN. BETWEEN CENTERS G |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7972356 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
NSN 5342-01-309-8254 is a Adapter,base Plate, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-01-309-8254 has 1 manufacturer part number on file: 7972356 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7972356: General Characteristics Item Description: COPPER ALLOY CASTING,QQ-C-390; WHITE ALKYD GLOSS ENAMEL FINISH,TT-E-489; 4.281 IN. FLANGE DIA; 0.281 IN. THK FLANGE; 0.875 IN. DIA AXIAL THRU HOLE; THREE MTG SLOTS 0.281 IN. MIN 0.297 IN. MAX W BY 0.562 IN. LG SPACED 120 DEG APART ON 3.500 IN. DIA BOLT CIRCLE; 1.656 IN. THK O/A; 2.750-4NA-2G THD BY 0.781 IN. LG ON ONE END W/KEYED CBORE 1.570 IN. MIN 1.575 IN. MAX DIA BY 0.781 IN. DP; ONE KEY WAY 0.781 IN. LG BY 0.218 IN. W BY 0.125 IN. H; UNDERCUT 2.406 IN. DIA BY 0.594 IN. W,WITH FLATTED SURFACE PARALLEL TO AXIS AND SPACED 1.094 IN. FROM AXIS; TWO THD MTG HOLES LOCATED IN FLATTED AREA 0.138-32UNC-2B BY 0.250 IN. DP SPACED 0.687 IN. BETWEEN CENTERS G. 1 specification is 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.