The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-321-2747, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. 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. 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 | 5340-01-321-2747 |
| Primary Part Number | 206452 |
| Item Name | Retainer,helical Compression Spr |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Body Outside Diameter | 1.980 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN |
| Style Designator | PARALLEL |
| Material Document and Classification | MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE |
| Inside Chamfer Depth | 0.150 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Body Inside Diameter | 1.880 INCHES MINIMUM AND 1.900 INCHES MAXIMUM IN |
| Outside Chamfer Angle in Deg | 45.0 |
| Casehardening Indicator | NOT CASEHARDENED |
| Material | STEEL COMP 4340 |
| Outside Chamfer Depth | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Inside Chamfer Angle in Deg | 45.0 |
| End Hole Diameter | 1.060 INCHES MINIMUM AND 1.070 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 |
|---|---|
| 206452 PRIMARY | Honeywell International Inc. Div Aerospace - Torrance (USA) |
NSN 5340-01-321-2747 is a Retainer,helical Compression Spr, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-321-2747 has 1 manufacturer part number on file: 206452 (Honeywell International Inc. Div Aerospace - Torrance).
1 possible match (shared part number, not a government interchangeability claim): 6610-01-341-0885. Verify interchangeability with system specifications before substitution.
Key specifications for 206452: Overall Height: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN; Body Outside Diameter: 1.980 INCHES MINIMUM AND 1.985 INCHES MAXIMUM IN; Style Designator: PARALLEL; Material Document and Classification: MIL-S-5000, COMP 4340 MIL SPEC SINGLE MATERIAL RESPONSE. 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.
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.