The Hinge,butt, cataloged under National Stock Number 5340-01-266-3201, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-266-3201 |
| Primary Part Number | 126-5231-001 |
| Item Name | Hinge,butt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Pin Diameter | 0.118 INCHES NOMINAL IN |
| Mounting Hole Quantity | 4 |
| Reversible Feature | NOT INCLUDED |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.191 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 0.500 INCHES NOMINAL IN |
| Hinge Mounting Type | FULL SURFACE |
| Material Thickness | 0.036 INCHES NOMINAL IN |
| Pin Removability | NONREMOVABLE |
| Knuckle Quantity | 5 |
| Material | UNABLE TO DECODE |
| 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 |
|---|---|
| 126-5231-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 2000-1-1/2 | 5/9 Secondary reference H. a. Guden Company, Inc. |
NSN 5340-01-266-3201 is a Hinge,butt, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-266-3201 has 1 manufacturer part number on file: 126-5231-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-284-5435, 6520-01-450-8503. Verify interchangeability with system specifications before substitution.
Key specifications for 126-5231-001: Pin Diameter: 0.118 INCHES NOMINAL IN; Mounting Hole Quantity: 4; Reversible Feature: NOT INCLUDED; Style Designator: BUTT. 13 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.