The Catch,clamping, cataloged under National Stock Number 5340-01-253-3207, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc Div Camloc Products. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-253-3207 |
| Primary Part Number | 51L1-1X4AL |
| Item Name | Catch,clamping |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Howmet Global Fastening Systems Inc Div Camloc Products |
| Status | ACTIVE |
| Design Type | CLAW ENGAGING |
| Engaging Surface Width | 0.840 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN |
| Style Designator | LEVEL |
| Material | STEEL OVERALL |
| Hole Quantity | 2 |
| Operation Method | THUMB PIECE |
| Hole Diameter | 0.557 INCHES MINIMUM AND 0.567 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 |
|---|---|
| 51L1-1X4AL PRIMARY | Howmet Global Fastening Systems Inc Div Camloc Products (USA) |
| Reference | Meaning |
|---|---|
| B5-19-8866 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5340-01-253-3207 is a Catch,clamping, manufactured by Howmet Global Fastening Systems Inc Div Camloc Products, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-253-3207 has 1 manufacturer part number on file: 51L1-1X4AL (Howmet Global Fastening Systems Inc Div Camloc Products).
Key specifications for 51L1-1X4AL: Overall Height: 0.600 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Design Type: CLAW ENGAGING; Engaging Surface Width: 0.840 INCHES MINIMUM AND 0.880 INCHES MAXIMUM IN; Style Designator: LEVEL. 7 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.