The Strap,retaining, cataloged under National Stock Number 5340-01-182-5121, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-182-5121 |
| Primary Part Number | HS4787H1-64A |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Mounting Hole Size | 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Distance Between Mounting Hole Centers | 5.055 INCHES MINIMUM AND 5.085 INCHES MAXIMUM IN |
| Mounting Pad | NOT INCLUDED |
| Style Designator | SADDLE ARCH |
| Material Document and Classification | TA77-2, TA MFG CO MFR REF SINGLE MATERIAL RESPONSE CUSHIONING |
| Material Thickness | 0.050 INCHES NOMINAL IN |
| Cushion | INCLUDED |
| Distance Between Base and Inside of Arch | 4.100 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | RUBBER CUSHIONING |
| Material | STEEL COMP 321 LOCATION NOT OTHERWISE SPECIFIED |
| Inside Diameter/arch Length | 4.000 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 |
|---|---|
| HS4787H1-64A | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| HS4787H1-64A | 3/2 Design control — primary reference U.S. Government activity |
| HS4787H1-64A | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
| TA09210H164HB | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-182-5121 is a Strap,retaining, manufactured by The Boeing Company, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-182-5121 has 1 manufacturer part number on file: HS4787H1-64A (The Boeing Company).
Key specifications for HS4787H1-64A: Mounting Hole Size: 0.199 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN; Distance Between Mounting Hole Centers: 5.055 INCHES MINIMUM AND 5.085 INCHES MAXIMUM IN; Mounting Pad: NOT INCLUDED; Style Designator: SADDLE ARCH. 12 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.