The Clamp,block, cataloged under National Stock Number 5340-01-281-5664, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-281-5664 |
| Primary Part Number | 2DA437 |
| Item Name | Clamp,block |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Clamping Hole Quantity | 4 |
| Style Designator | RECTANGULAR |
| Mounting Facility | UNTHREADED HOLE(S) |
| 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 |
|---|---|
| 074-25-3504 | Integrated Distribution Systemslimited Partnershipdba Waterous Power Systems (CAN) |
| 2DA437 PRIMARY | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2DA437 | 5/9 Secondary reference Oshkosh Corp |
NSN 5340-01-281-5664 is a Clamp,block, manufactured by Oshkosh Defense Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-281-5664 has 2 manufacturer part numbers on file: 074-25-3504 (Integrated Distribution Systemslimited Partnershipdba Waterous Power Systems), 2DA437 (Oshkosh Defense Llc).
Key specifications for 2DA437: Mounting Hole Quantity: 3; Clamping Hole Quantity: 4; Style Designator: RECTANGULAR; Mounting Facility: UNTHREADED HOLE(S). 4 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.