The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-028-3130, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Air Armament Center/ En. Government technical data includes 11 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 | 5340-01-028-3130 |
| Primary Part Number | 66B12669-2 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Air Armament Center/ En |
| Status | ACTIVE |
| Mounting Hole Quantity | 2 |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Mounting Hole Diameter | 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Hinge Pin | INCLUDED |
| Material Thickness | 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN |
| Center to Center Distance Between Mounting Holes Along Length | 1.250 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| 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 |
|---|---|
| 66B12669-2 PRIMARY | Air Armament Center/ En (USA) |
NSN 5340-01-028-3130 is a Leaf,butt Hinge, manufactured by Air Armament Center/ En, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-028-3130 has 1 manufacturer part number on file: 66B12669-2 (Air Armament Center/ En).
Key specifications for 66B12669-2: Mounting Hole Quantity: 2; Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Mounting Hole Diameter: 0.160 INCHES MINIMUM AND 0.180 INCHES MAXIMUM IN. 11 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.