The Hasp,hinged, cataloged under National Stock Number 5340-01-662-7641, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Isometrics Inc. Government technical data includes 12 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-662-7641 |
| Primary Part Number | ISO-1203 |
| Item Name | Hasp,hinged |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Isometrics Inc |
| Status | ACTIVE |
| Staple Height | 0.8125 INCHES NOMINAL IN |
| Reversible Feature | NOT INCLUDED |
| Mounting Method | WELDED |
| Style Designator | SINGLE SAFETY |
| Material Thickness | 0.125 INCHES NOMINAL IN |
| Leaf Width | 1.50 INCHES NOMINAL IN |
| Slotted Leaf Length | 3.50 INCHES NOMINAL IN |
| Plate Distance Parallel to Staple | 1.50 INCHES NOMINAL IN |
| Staple Style | SAFETY FIXED |
| Knuckle Quantity | 1 |
| Plate Distance Transverse to Staple | 1.50 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| 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 |
NSN 5340-01-662-7641 is a Hasp,hinged, manufactured by Isometrics Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-662-7641 has 2 manufacturer part numbers on file: ISO-1203 (Isometrics Inc), 1047A41 (Mcmaster-Carr Supply Co).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-664-6565. Verify interchangeability with system specifications before substitution.
Key specifications for ISO-1203: Staple Height: 0.8125 INCHES NOMINAL IN; Reversible Feature: NOT INCLUDED; Mounting Method: WELDED; Style Designator: SINGLE SAFETY. 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.