The Bumper, cataloged under National Stock Number 5340-00-343-3526, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Boonton Electronics Corporation Div Boonton Electronics. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-343-3526 |
| Primary Part Number | 757511 |
| Item Name | Bumper |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Boonton Electronics Corporation Div Boonton Electronics |
| Status | ACTIVE |
| Outside/top Flange Diameter | 0.585 INCHES NOMINAL IN |
| Fastening Device Type | MACHINE SCREW |
| First Counterbore Diameter | 0.238 INCHES NOMINAL IN |
| Style Designator | FLAT TOP CHAMFERED SHANK COUNTERBORED |
| First Counterbore Depth | 0.215 INCHES NOMINAL IN |
| Color | BLACK |
| Chamfer Angle in Deg | 10.0 |
| Fastening Device Size | NO. 4-40 MACHINE SCREW |
| Material | PLASTIC |
| Hole Diameter | 0.130 INCHES NOMINAL IN |
| 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 |
|---|---|
| 757511 | Boonton Electronics Corporation Div Boonton Electronics (USA) |
| Reference | Meaning |
|---|---|
| F4B | 3/9 Design control — primary reference Budwig Mfg Co |
NSN 5340-00-343-3526 is a Bumper, manufactured by Boonton Electronics Corporation Div Boonton Electronics, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-343-3526 has 1 manufacturer part number on file: 757511 (Boonton Electronics Corporation Div Boonton Electronics).
Key specifications for 757511: Overall Height: 0.375 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.585 INCHES NOMINAL IN; Fastening Device Type: MACHINE SCREW; First Counterbore Diameter: 0.238 INCHES NOMINAL IN. 10 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.