The Hinge,access Door, cataloged under National Stock Number 5340-01-645-4200, 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 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5340-01-645-4200 |
| Primary Part Number | 7251561 |
| Item Name | Hinge,access Door |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Pin Diameter | 0.750 INCHES NOMINAL IN |
| Reversible Feature | NOT INCLUDED |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | BUTT |
| Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Pin Center to Body Edge Distance | 1.5000 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.60 INCHES NOMINAL IN |
| Knuckle Quantity | 1 |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL OVERALL |
| Knuckle Type | BALL BEARING |
| Leaf Outer Edge to Hole Center Vertical Distance | 0.005 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7251561 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5340-01-645-4200 is a Hinge,access Door, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-645-4200 has 1 manufacturer part number on file: 7251561 (Naval Sea Systems Command).
Key specifications for 7251561: Pin Diameter: 0.750 INCHES NOMINAL IN; Reversible Feature: NOT INCLUDED; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; 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.