The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-406-5548, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-406-5548 |
| Primary Part Number | ARTR1004 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Outside Diameter | 4.720 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-S-766, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 4.602 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 316 |
| End Hole Diameter | 1.750 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 |
|---|---|
| ARTR1004 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| ARTR1004 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| 803-6915566-57.8 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
| ARTR1004 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| ARTR1004 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-01-406-5548 is a Retainer,helical Compression Spr, manufactured by Naval Sea Systems Command, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-406-5548 has 1 manufacturer part number on file: ARTR1004 (Naval Sea Systems Command).
Key specifications for ARTR1004: Overall Height: 1.310 INCHES NOMINAL IN; Body Outside Diameter: 4.720 INCHES NOMINAL IN; Style Designator: IRREGULAR; Material Document and Classification: QQ-S-766, CLASS 316 FED SPEC SINGLE MATERIAL RESPONSE. 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.