The Strap,retaining, cataloged under National Stock Number 5340-00-994-1638, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 13 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-994-1638 |
| Primary Part Number | 2250999-1 |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Mounting Hole Size | 0.128 INCHES NOMINAL IN |
| Mounting Pad | NOT INCLUDED |
| Style Designator | DOUBLE ARCH |
| Distance Between Base and Inside of Large Arch | 0.240 INCHES NOMINAL IN |
| Material Thickness | 0.030 INCHES NOMINAL IN |
| Center to Center Distance Between Large Arch and Mounting Hole | 0.406 INCHES NOMINAL IN |
| Cushion | NOT INCLUDED |
| Distance Between Base and Inside of Arch | 0.177 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Inside Diameter/large Arch Length | 0.500 INCHES NOMINAL IN |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Arch and Mounting Hole | 0.344 INCHES NOMINAL IN |
| Inside Diameter/arch Length | 0.375 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 |
|---|---|
| 2250999-1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5340-00-994-1638 is a Strap,retaining, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-994-1638 has 1 manufacturer part number on file: 2250999-1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 2250999-1: Mounting Hole Size: 0.128 INCHES NOMINAL IN; Mounting Pad: NOT INCLUDED; Style Designator: DOUBLE ARCH; Distance Between Base and Inside of Large Arch: 0.240 INCHES NOMINAL IN. 13 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.