The Bumper Pad, cataloged under National Stock Number 5342-00-381-7578, is classified within Federal Supply Class 5342 (Hardware, Weapon System) of the Hardware and Abrasives group. The manufacturer of record is Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5342-00-381-7578 |
| Primary Part Number | 4E21161-101A |
| Item Name | Bumper Pad |
| FSC / FSG | 5342 / 53 — Hardware, Weapon System |
| Manufacturer | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing |
| Status | ACTIVE |
| General Characteristics Item Description | 0.880 IN. LG,0.410 IN. W,0.193 IN MIN 0.199 IN. MAX DIA HOLE LOCATED 0.550 IN. FROM ANGLED END FOR LEFT HAND INSTALLATION IN |
| 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 |
|---|---|
| 4E21161-101A | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| Reference | Meaning |
|---|---|
| 4E21161-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5342-00-381-7578 is a Bumper Pad, manufactured by Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing, classified under FSC 5342, Hardware, Weapon System. Status: active.
NSN 5342-00-381-7578 has 1 manufacturer part number on file: 4E21161-101A (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing).
Key specifications for 4E21161-101A: General Characteristics Item Description: 0.880 IN. LG,0.410 IN. W,0.193 IN MIN 0.199 IN. MAX DIA HOLE LOCATED 0.550 IN. FROM ANGLED END FOR LEFT HAND INSTALLATION IN. 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.