The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-470-6187, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Hydraulics International, Inc. Dba Hydraulics International Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-470-6187 |
| Primary Part Number | 3305AS271 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Hydraulics International, Inc. Dba Hydraulics International Inc |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.320 INCHES NOMINAL IN |
| Style Designator | BUTT STAGGERED HOLES |
| Mounting Hole Diameter | 0.320 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 1.332 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Center to Center Distance Between Mounting Holes Along Length | 6.250 INCHES NOMINAL IN |
| Knuckle Quantity | 6 |
| Knuckle Length | 0.630 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 6061 BODY |
| 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 |
|---|---|
| 3305AS271 PRIMARY | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| Reference | Meaning |
|---|---|
| 3305AS271 | 3/9 Design control — primary reference Meggitt Defense Systems, Inc. Dba Meggitt Western Design |
| 3305AS271-1 | C/1 Advisory reference — outside the item-of-supply concept Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc |
NSN 5340-01-470-6187 is a Leaf,butt Hinge, manufactured by Hydraulics International, Inc. Dba Hydraulics International Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-470-6187 has 1 manufacturer part number on file: 3305AS271 (Hydraulics International, Inc. Dba Hydraulics International Inc).
Key specifications for 3305AS271: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.320 INCHES NOMINAL IN; Style Designator: BUTT STAGGERED HOLES; Mounting Hole Diameter: 0.320 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.