The Clamp,bridge, cataloged under National Stock Number 5340-01-504-3421, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-504-3421 |
| Primary Part Number | 5616128 |
| Item Name | Clamp,bridge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Hole Depth | 0.375 INCHES NOMINAL IN |
| Style Designator | OFFSET |
| Material Document and Classification | ASTM,B345 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Center to Center Distance Between Holes | 8.471 INCHES NOMINAL IN |
| Height | 2.066 INCHES NOMINAL IN |
| Material | TITANIUM ALLOY OVERALL |
| Hole Diameter | 0.375 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 |
|---|---|
| 5616128 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 5616128 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 5340-01-504-3421 is a Clamp,bridge, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-504-3421 has 1 manufacturer part number on file: 5616128 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 5616128: Hole Depth: 0.375 INCHES NOMINAL IN; Style Designator: OFFSET; Material Document and Classification: ASTM,B345 ASSN STD ALL MATERIAL RESPONSES OVERALL; Overall Length: 9.590 INCHES NOMINAL IN. 7 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.