The Pin,quick Release, cataloged under National Stock Number 5315-01-040-4466, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Fairchild Fasteners Europe - Vsd Gmbh. Government technical data includes 30 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 9 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-040-4466 |
| Primary Part Number | MS17990-420 |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Fairchild Fasteners Europe - Vsd Gmbh |
| Status | ACTIVE |
| Shank Diameter | 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Actuation Method | PUSH BUTTON |
| Detent to Tapered End Distance | 0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE DETENT |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HANDLE |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | MIL-C-5541 MIL SPEC 1ST TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 2ND TREATMENT RESPONSE OR QQ-P-416 TY 2 CL 2 FED SPEC 3RD TREATMENT RESPONSE TOGGLE |
| Actuation Type | PULL AND PUSH |
| Pin Attachment Type | HOOK |
| Style Designator | RING HANDLE |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE DETENT |
| Material Document and Classification | MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC SINGLE MATERIAL RESPONSE SHANK |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR QQ-S-637 COND CF FED SPEC 2ND MATERIAL RESPONSE HEAD |
| Material Document and Classification | QQ-A-225/5 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-225/6 FED SPEC 2ND MATERIAL RESPONSE OR MIL-S-6758 MIL SPEC 3RD MATERIAL RESPONSE OR QQ-S-637 COND CF FED SPEC 4TH MATERIAL RESPONSE TOGGLE |
| Material Document and Classification | QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE OR AMS 5673 ASSN STD 2ND MATERIAL RESPONSE HANDLE |
| Grip Length | 2.000 INCHES MINIMUM AND 2.100 INCHES MAXIMUM IN |
| Ring Handle Diameter | 1.000 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE HANDLE |
| Surface Treatment | CADMIUM SHANK |
| Surface Treatment | PASSIVATE DETENT |
| Surface Treatment | CADMIUM HEAD |
| Surface Treatment | OXIDE FILM OR ANODIZE OR CADMIUM TOGGLE |
| Shear Strength | 8200 DOUBLE POUNDS PER SQUARE INCH |
| Material | STEEL COMP 302 OR STEEL COMP 631 HANDLE |
| Material | STEEL COMP 4130 SHANK |
| Material | STEEL COMP 440C DETENT |
| Material | ALUMINUM ALLOY 2017 OR ALUMINUM ALLOY 2024 OR STEEL COMP 4130 OR STEEL COMP 1213 TOGGLE |
| Material | STEEL COMP 4130 OR STEEL COMP 1213 HEAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| MS17990-420 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| DLS4R20N | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| BLS4R20N | Satair A/s (DNK) |
| Reference | Meaning |
|---|---|
| MS17990-420 | 5/9 Secondary reference U.S. Government activity |
| LH4S-R-20M | 5/9 Secondary reference U.S. Government activity |
| LH4S-R-20M | 5/9 Secondary reference Southco Inc. |
| LH4SR2000N | 5/9 Secondary reference Southco Inc. |
| MS17990-420 | 3/2 Design control — primary reference U.S. Government activity |
| BLS4R20N | 5/2 Secondary reference U.S. Government activity |
| LH4SR2000N | 5/9 Secondary reference U.S. Government activity |
| LH4SR2000 | 5/9 Secondary reference Southco Inc. |
| LH4SR2000 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-01-040-4466 is a Pin,quick Release, manufactured by Fairchild Fasteners Europe - Vsd Gmbh, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-040-4466 has 3 manufacturer part numbers on file: MS17990-420 (Fairchild Fasteners Europe - Vsd Gmbh), DLS4R20N (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), BLS4R20N (Satair A/s).
Key specifications for MS17990-420: Shank Diameter: 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Actuation Method: PUSH BUTTON; Detent to Tapered End Distance: 0.360 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Detent Quantity: 2. 30 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.