The Shoe and Block Assembly, cataloged under National Stock Number 2240-00-376-4297, is classified within Federal Supply Class 2240 (Locomotive and Rail Car Accessories and Components) of the Railway Equipment group. The manufacturer of record is Harsco Corporation Dba Harsco Track/fairmont. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2240-00-376-4297 |
| Primary Part Number | 28A2 |
| Item Name | Shoe and Block Assembly |
| FSC / FSG | 2240 / 22 — Locomotive and Rail Car Accessories and Components |
| Manufacturer | Harsco Corporation Dba Harsco Track/fairmont |
| Status | ACTIVE |
| General Characteristics Item Description | INCL 1EA NO. 23020 BRAKE SHOE,1EA NO. 29-2 BLOCK,BRAKE SHOE,2EA NO. CSB-430 FLAT COUNTERSUNK HEAD STOVE BOLT 0.250 IN. -20,2EA NO. PW-4 PLAIN WASHER 0.250 IN.,2EA NO. N-4 NUT 0.250 IN. -20,2EA NO. SW-4 LOCKWASHER 0.0250 IN. IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 28A2 PRIMARY | Harsco Corporation Dba Harsco Track/fairmont (USA) |
| Reference | Meaning |
|---|---|
| 28A2 | 5/9 Secondary reference Taylor-Dunn Corporation Dba Metro Crown International |
NSN 2240-00-376-4297 is a Shoe and Block Assembly, manufactured by Harsco Corporation Dba Harsco Track/fairmont, classified under FSC 2240, Locomotive and Rail Car Accessories and Components. Status: active.
NSN 2240-00-376-4297 has 1 manufacturer part number on file: 28A2 (Harsco Corporation Dba Harsco Track/fairmont).
Key specifications for 28A2: General Characteristics Item Description: INCL 1EA NO. 23020 BRAKE SHOE,1EA NO. 29-2 BLOCK,BRAKE SHOE,2EA NO. CSB-430 FLAT COUNTERSUNK HEAD STOVE BOLT 0.250 IN. -20,2EA NO. PW-4 PLAIN WASHER 0.250 IN.,2EA NO. N-4 NUT 0.250 IN. -20,2EA NO. SW-4 LOCKWASHER 0.0250 IN. IN; End Item Identification: 22302620763,22302641852. 1 specification is 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.