The Disk,solid,plain, cataloged under National Stock Number 5340-01-274-7339, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 8 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 | 5340-01-274-7339 |
| Primary Part Number | 623-3973-001 |
| Item Name | Disk,solid,plain |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-S-365, GRADE B, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE |
| Precious Material | SILVER |
| Material Document and Classification | QQ-B-613, COMP 260, 1/2H FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-613, COMP 268, 1/2H FED SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 0.230 INCHES NOMINAL IN |
| Surface Treatment | SILVER |
| Precious Material and Location | EXTERNAL SURFACES SILVER |
| Material | COPPER ALLOY |
| Thickness | 0.0144 INCHES MINIMUM AND 0.0174 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 |
|---|---|
| 623-3973-001 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
NSN 5340-01-274-7339 is a Disk,solid,plain, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-274-7339 has 1 manufacturer part number on file: 623-3973-001 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 623-3973-001: Surface Treatment Document and Classification: QQ-S-365, GRADE B, TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE; Precious Material: SILVER; Material Document and Classification: QQ-B-613, COMP 260, 1/2H FED SPEC SINGLE MATERIAL RESPONSE OR QQ-B-613, COMP 268, 1/2H FED SPEC SINGLE MATERIAL RESPONSE; Diameter: 0.230 INCHES NOMINAL IN. 8 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.