The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-418-2941, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Tactair Fluid Controls Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-00-418-2941 |
| Primary Part Number | HP1131116-1 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Body Outside Diameter | 1.125 INCHES NOMINAL IN |
| Style Designator | IRREGULAR |
| Material Document and Classification | QQ-S-763, CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Inside Diameter | 0.990 INCHES NOMINAL IN |
| Casehardening Indicator | NOT CASEHARDENED |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 302 |
| 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 |
|---|---|
| HP1131116-1 PRIMARY | Tactair Fluid Controls Inc (USA) |
| Reference | Meaning |
|---|---|
| HP1131116-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5340-00-418-2941 is a Retainer,helical Compression Spr, manufactured by Tactair Fluid Controls Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-00-418-2941 has 1 manufacturer part number on file: HP1131116-1 (Tactair Fluid Controls Inc).
Key specifications for HP1131116-1: Overall Height: 0.268 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE; Body Outside Diameter: 1.125 INCHES NOMINAL IN; Style Designator: IRREGULAR. 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.
NSN 5340-00-418-2941 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.