The Strap,retaining, cataloged under National Stock Number 5340-01-373-5318, 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 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 | 5340-01-373-5318 |
| Primary Part Number | P4078872-01 |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Mounting Hole Size | 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN |
| Distance Between Mounting Hole Centers | 7.250 INCHES NOMINAL IN |
| Mounting Pad | NOT INCLUDED |
| Style Designator | CURVED ARCH |
| Material Thickness | 0.518 INCHES NOMINAL IN |
| Cushion | INCLUDED |
| Distance Between Base and Inside of Arch | 2.613 INCHES MINIMUM AND 2.617 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL |
| Material | PLASTIC PHENOLIC CUSHIONING |
| Material | STEEL COMP 1018 AND STEEL COMP 1020 LOCATION NOT OTHERWISE SPECIFIED |
| Inside Diameter/arch Length | 6.230 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 |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| P4078872-01 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5340-01-373-5318 is a Strap,retaining, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-373-5318 has 1 manufacturer part number on file: P4078872-01 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for P4078872-01: Mounting Hole Size: 0.401 INCHES MINIMUM AND 0.411 INCHES MAXIMUM IN; Distance Between Mounting Hole Centers: 7.250 INCHES NOMINAL IN; Mounting Pad: NOT INCLUDED; Style Designator: CURVED ARCH. 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.