The Clamp,loop, cataloged under National Stock Number 5340-01-540-7827, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5340-01-540-7827 |
| Primary Part Number | H-25405L1 |
| Item Name | Clamp,loop |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| H-25405L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 820-2177521ITEM21L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 820-2177521ITEM21 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H-25405 | 5/1 Secondary reference U.S. Government activity |
NSN 5340-01-540-7827 is a Clamp,loop, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-540-7827 has 2 manufacturer part numbers on file: H-25405L1 (Naval Inventory Control Point Mechanicsburg), 820-2177521ITEM21L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for H-25405L1: Criticality Code Justification: ZZZY; Special Features: (DRAWING) YOKE CLAMP RING; (INAVY) RING, CLAMP; End Item Identification: ITEMS WITH NUCLEAR APPLICATIONS; VALVE GATE 12.00 IPS 900PSI BTWLD STL; VALVE GATE 12.00IPS 900PSI BTWLDSTL; Reference Number Differentiating Characteristics: MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS. 2 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.