The Leaf,butt Hinge, cataloged under National Stock Number 5340-01-187-2355, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 14 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-187-2355 |
| Primary Part Number | 242675 |
| Item Name | Leaf,butt Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Reversible Feature | NOT INCLUDED |
| Knuckle Inside Diameter | 0.093 INCHES NOMINAL IN |
| Style Designator | BUTT PARALLEL HOLES |
| Mounting Hole Diameter | 0.094 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 0.773 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Holes Along Length | 0.630 INCHES NOMINAL IN |
| Knuckle Quantity | 14 |
| Knuckle Length | 0.495 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 242675 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5340-01-187-2355 is a Leaf,butt Hinge, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-187-2355 has 1 manufacturer part number on file: 242675 (Lockheed Martin Corp Electronics and Missiles Div).
2 possible matches (shared part number, not a government interchangeability claim): 5360-01-443-6903, 5925-01-648-7432. Verify interchangeability with system specifications before substitution.
Key specifications for 242675: Reversible Feature: NOT INCLUDED; Knuckle Inside Diameter: 0.093 INCHES NOMINAL IN; Style Designator: BUTT PARALLEL HOLES; Mounting Hole Diameter: 0.094 INCHES NOMINAL IN. 14 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.