The Catch,clamping, cataloged under National Stock Number 5340-01-129-9740, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Aimtron Systems, Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-01-129-9740 |
| Primary Part Number | 503581 |
| Item Name | Catch,clamping |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Aimtron Systems, Llc |
| Status | ACTIVE |
| Style Designator | LEVER |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Quantity | 4 |
| Hole Diameter | 0.144 INCHES NOMINAL 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 |
|---|---|
| 503581 PRIMARY | Aimtron Systems, Llc (USA) |
| Reference | Meaning |
|---|---|
| SC-B83314-2242 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 503581 | 5/9 Secondary reference Cardion Inc |
| SC-B-83314-2242 | 7/2 Vendor item drawing reference Nielsen Hardware Corporation |
| SC-B-83314-2242 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5340-01-129-9740 is a Catch,clamping, manufactured by Aimtron Systems, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-129-9740 has 1 manufacturer part number on file: 503581 (Aimtron Systems, Llc).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-702-5602. Verify interchangeability with system specifications before substitution.
Key specifications for 503581: Overall Height: 0.410 INCHES NOMINAL IN; Style Designator: LEVER; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Overall Length: 2.750 INCHES NOMINAL IN. 5 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.