The Strap,retaining, cataloged under National Stock Number 5340-00-042-8575, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Umpco, Inc. Dba Umpco Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-00-042-8575 |
| Primary Part Number | S133D30-71G |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Umpco, Inc. Dba Umpco Inc |
| Status | ACTIVE |
| Mounting Hole Size | 0.204 INCHES NOMINAL IN |
| Distance Between Mounting Hole Centers | 5.228 INCHES MINIMUM AND 5.288 INCHES MAXIMUM IN |
| Mounting Pad | NOT INCLUDED |
| Style Designator | STRAIGHT ARCH |
| Material Document and Classification | QQ-A-250/5, T4 OR T42 FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Material Document and Classification | AMS 3209 ASSN STD SINGLE MATERIAL RESPONSE CUSHIONING |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Cushion | INCLUDED |
| Distance Between Base and Inside of Arch | 1.860 INCHES MINIMUM AND 1.890 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR CUSHIONING |
| Material | ALUMINUM ALLOY 2024 AND ALUMINUM ALLOY 1230 LOCATION NOT OTHERWISE SPECIFIED |
| Inside Diameter/arch Length | 4.423 INCHES MINIMUM AND 4.453 INCHES MAXIMUM 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 |
|---|---|
| S133D30-71G PRIMARY | Umpco, Inc. Dba Umpco Inc (USA) |
| Reference | Meaning |
|---|---|
| NAS1711D30-71N | 3/2 Design control — primary reference U.S. Government activity |
| NAS1711 | 3/1 Design control — primary reference U.S. Government activity |
| TA516D30-71 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5340-00-042-8575 is a Strap,retaining, manufactured by Umpco, Inc. Dba Umpco Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-042-8575 has 1 manufacturer part number on file: S133D30-71G (Umpco, Inc. Dba Umpco Inc).
Key specifications for S133D30-71G: Mounting Hole Size: 0.204 INCHES NOMINAL IN; Distance Between Mounting Hole Centers: 5.228 INCHES MINIMUM AND 5.288 INCHES MAXIMUM IN; Mounting Pad: NOT INCLUDED; Style Designator: STRAIGHT 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.