The Strap,retaining, cataloged under National Stock Number 5340-01-510-6703, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-510-6703 |
| Primary Part Number | ST9M558C64 |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Hole Size | 0.197 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 5.045 INCHES MINIMUM AND 5.075 INCHES MAXIMUM IN |
| Style Designator | SADDLE ARCH |
| Material Thickness | 0.051 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE |
| Material | STEEL CORROSION RESISTING LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| ST9M558C64 PRIMARY | The Boeing Company Div Defense (USA) |
| S787C64 PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| JM44SC76SS64 PRIMARY | J & M Products, Inc (USA) |
| Reference | Meaning |
|---|---|
| 1399SS64 | 5/2 Secondary reference U.S. Government activity |
| TA9C89SS64 | 5/2 Secondary reference U.S. Government activity |
| TA09C89SS64 | 5/2 Secondary reference U.S. Government activity |
NSN 5340-01-510-6703 is a Strap,retaining, manufactured by The Boeing Company Div Defense, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-510-6703 has 3 manufacturer part numbers on file: ST9M558C64 (The Boeing Company Div Defense), S787C64 (Umpco, Inc. Dba Umpco Inc), JM44SC76SS64 (J & M Products, Inc).
Key specifications for ST9M558C64: Mounting Hole Size: 0.197 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 5.045 INCHES MINIMUM AND 5.075 INCHES MAXIMUM IN; Style Designator: SADDLE ARCH; Overall Length: 5.263 INCHES MINIMUM AND 5.293 INCHES MAXIMUM IN. 6 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.