The Strap,retaining, cataloged under National Stock Number 5340-00-245-4639, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Andrea Systems Llc. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5340-00-245-4639 |
| Primary Part Number | C23-8000 |
| Item Name | Strap,retaining |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Andrea Systems Llc |
| Status | ACTIVE |
| Mounting Hole Size | 0.136 INCHES NOMINAL IN |
| Mounting Pad | NOT INCLUDED |
| Style Designator | CURVED ARCH |
| Material Document and Classification | QQ-S-698, QUALITY A/A, CONDITION CR HALF HARD NO. 2 TEMPER FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Material Thickness | 0.032 INCHES NOMINAL IN |
| Cushion | NOT INCLUDED |
| Distance Between Base and Inside of Arch | 0.156 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM AND CHROMATE |
| Material | STEEL LOCATION NOT OTHERWISE SPECIFIED |
| Center to Center Distance Between Arch and Mounting Hole | 0.313 INCHES NOMINAL IN |
| Inside Diameter/arch Length | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| C23-8000 PRIMARY | Andrea Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| 824-25 | 5/9 Secondary reference Andrea Electronics Corporation |
| C23-8000 | 5/9 Secondary reference Andrea Electronics Corporation |
NSN 5340-00-245-4639 is a Strap,retaining, manufactured by Andrea Systems Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-245-4639 has 1 manufacturer part number on file: C23-8000 (Andrea Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-494-0574. Verify interchangeability with system specifications before substitution.
Key specifications for C23-8000: Mounting Hole Size: 0.136 INCHES NOMINAL IN; Mounting Pad: NOT INCLUDED; Style Designator: CURVED ARCH; Material Document and Classification: QQ-S-698, QUALITY A/A, CONDITION CR HALF HARD NO. 2 TEMPER FED SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED. 11 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.
NSN 5340-00-245-4639 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.