The Clamp,loop, cataloged under National Stock Number 5340-01-370-9837, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-370-9837 |
| Primary Part Number | ST2818-0410 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rtx Corporation Div Pratt & Whitney |
| Status | ACTIVE |
| Loop Width | 0.625 INCHES NOMINAL IN |
| Fastening Device Type | SPRING TENSION |
| Style Designator | MULTIPLE LOOP CENTER MOUNT |
| Material Document and Classification | AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND |
| Material Document and Classification | AMS 5513 ASSN STD SINGLE MATERIAL RESPONSE PIN/STUD |
| Material Document and Classification | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SCREW |
| Material Document and Classification | ASTM B-525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| Material Document and Classification | PWA 36081,CAGEC 77445 MFR REF SINGLE MATERIAL RESPONSE OR MIL-C-85052/3 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Center to Center Distance Between Loop and Mounting Hole | 0.836 INCHES NOMINAL IN |
| Material | STEEL SCREW |
| Material | STEEL CORROSION RESISTING BAND |
| Material | STEEL COMP 316 NUT |
| Material | STEEL PIN/STUD |
| Material | RUBBER FLUOROSILICONE CLASS FQ OR RUBBER SILICONE CLASS Q CUSHION |
| 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 |
|---|---|
| ST2818-0410 PRIMARY | Rtx Corporation Div Pratt & Whitney (USA) |
| ST2818-0410 | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| TA14300004-0410 | 5/9 Secondary reference U.S. Government activity |
| 5340PL0803968 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 5340PL1675507 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5340-01-370-9837 is a Clamp,loop, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-370-9837 has 2 manufacturer part numbers on file: ST2818-0410 (Rtx Corporation Div Pratt & Whitney), ST2818-0410 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for ST2818-0410: Loop Width: 0.625 INCHES NOMINAL IN; Fastening Device Type: SPRING TENSION; Style Designator: MULTIPLE LOOP CENTER MOUNT; Material Document and Classification: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE BAND. 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.