The Leaf,strap Hinge, cataloged under National Stock Number 5340-01-374-0477, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 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 | 5340-01-374-0477 |
| Primary Part Number | P4078903 |
| Item Name | Leaf,strap Hinge |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Reversible Feature | NOT INCLUDED |
| Surface Treatment Document and Classification | ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE BODY |
| Body Width | 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN |
| Style Designator | STRAP |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Mounting Hole Diameter | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Pin Center to Body Edge Distance | 5.790 INCHES NOMINAL IN |
| Hinge Pin | NOT INCLUDED |
| Material Thickness | 0.999 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN |
| Knuckle Quantity | 2 |
| Surface Treatment | ZINC AND CHROMATE BODY |
| Material | STEEL BODY |
| 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 |
|---|---|
| P4078903 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5340-01-374-0477 is a Leaf,strap Hinge, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-374-0477 has 1 manufacturer part number on file: P4078903 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P4078903: Mounting Hole Quantity: 4; Reversible Feature: NOT INCLUDED; Surface Treatment Document and Classification: ASTM B633 TY 2 ASSN STD SINGLE TREATMENT RESPONSE BODY; Body Width: 1.980 INCHES MINIMUM AND 2.020 INCHES MAXIMUM IN. 15 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.