The Hinge,butt, cataloged under National Stock Number 5340-01-330-3432, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-330-3432 |
| Primary Part Number | 5550331-3 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Pin Diameter | 0.183 INCHES NOMINAL IN |
| Mounting Hole Quantity | 8 |
| Reversible Feature | NOT INCLUDED |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.233 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 1.000 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Pin Removability | NONREMOVABLE |
| Knuckle Quantity | 16 |
| Knuckle Type | FRICTION |
| Performance Type | NOT RATED |
| 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 |
|---|---|
| 5550331-3 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-330-3432 is a Hinge,butt, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-330-3432 has 1 manufacturer part number on file: 5550331-3 (Naval Sea Systems Command).
Key specifications for 5550331-3: Pin Diameter: 0.183 INCHES NOMINAL IN; Mounting Hole Quantity: 8; Reversible Feature: NOT INCLUDED; Style Designator: BUTT. 12 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.