The Retainer,nut and Bolt, cataloged under National Stock Number 5340-01-535-7441, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Fatigue Technology, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5340-01-535-7441 |
| Primary Part Number | 4070-021 RETAINER FTCX-5 S.S. |
| Item Name | Retainer,nut and Bolt |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Fatigue Technology, Inc |
| Status | ACTIVE |
| Style Designator | CLIP |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE |
| Surface Treatment | PASSIVATE |
| Material | STEEL COMP 630 |
| 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 |
|---|---|
| 4070-021 RETAINER FTCX-5 S.S. PRIMARY | Fatigue Technology, Inc (USA) |
| Reference | Meaning |
|---|---|
| FTR-5-0-1.250-S | 5/9 Secondary reference Fatigue Technology, Inc |
NSN 5340-01-535-7441 is a Retainer,nut and Bolt, manufactured by Fatigue Technology, Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-535-7441 has 1 manufacturer part number on file: 4070-021 RETAINER FTCX-5 S.S. (Fatigue Technology, Inc).
Key specifications for 4070-021 RETAINER FTCX-5 S.S.: Style Designator: CLIP; Material Document and Classification: AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE; Special Features: DRAWING NAME17-4 STAINLESS STEEL RETAINER STANDARD HEAD CLASS 1;DIA 0.312;1.250 IN. GRIP LENGTH IN; Surface Treatment: PASSIVATE. 4 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.