The Pin,quick Release, cataloged under National Stock Number 5315-00-349-7573, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Satair A/s. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-349-7573 |
| Primary Part Number | BLC5T12N |
| Item Name | Pin,quick Release |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Satair A/s |
| Status | ACTIVE |
| Shank Diameter | 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN |
| Detent to Tapered End Distance | 0.410 INCHES MAXIMUM IN |
| Detent Quantity | 2 |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HEAD |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE RING |
| 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-35 FED SPEC SINGLE TREATMENT RESPONSE SHANK |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPINDLE |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE SPRING |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OR MIL-C-5541 MIL SPEC 2ND TREATMENT RESPONSE OR MIL-A-8625 MIL SPEC 3RD TREATMENT RESPONSE BUTTON |
| Handle Length | 1.375 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN |
| Actuation Type | PULL AND PUSH |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SHANK |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM SPINDLE |
| Pin Attachment Type | LINK OR RING |
| Style Designator | T HANDLE |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SPINDLE |
| Material Document and Classification | AMS 5643 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5657 ASSN STD 2ND MATERIAL RESPONSE SHANK |
| Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE DETENT |
| Material Document and Classification | AMS 5673 ASSN STD 1ST MATERIAL RESPONSE OR QQ-N-423,COND B FED SPEC 2ND MATERIAL RESPONSE SPRING |
| Material Document and Classification | AMS 5673 ASSN STD SINGLE MATERIAL RESPONSE RING |
| Material Document and Classification | QQ-S-764 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE OR QQ-A-225/5,T4 FED SPEC 3RD MATERIAL RESPONSE OR QQ-A-225/6,T4 FED SPEC 4TH MATERIAL RESPONSE BUTTON |
| Material Document and Classification | QQ-S-764 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE HANDLE |
| Material Document and Classification | QQ-S-764 FED SPEC 1ST MATERIAL RESPONSE OR QQ-S-763 FED SPEC 2ND MATERIAL RESPONSE HEAD |
| Grip Length | 1.200 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE HANDLE |
| Surface Treatment | PASSIVATE RING |
| Surface Treatment | PASSIVATE DETENT |
| Surface Treatment | PASSIVATE 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 |
|---|---|
| BLC5T12N | Satair A/s (DNK) |
| MS17988C412 | Fairchild Fasteners Europe - Vsd Gmbh (DEU) |
| DLC4T12N | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| Reference | Meaning |
|---|---|
| LM4CT12M | 5/2 Secondary reference U.S. Government activity |
| MS17988C412 | 3/2 Design control — primary reference U.S. Government activity |
| BLC5T12N | 5/2 Secondary reference U.S. Government activity |
| MS17988C412 | 5/9 Secondary reference U.S. Government activity |
NSN 5315-00-349-7573 is a Pin,quick Release, manufactured by Satair A/s, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-349-7573 has 3 manufacturer part numbers on file: BLC5T12N (Satair A/s), MS17988C412 (Fairchild Fasteners Europe - Vsd Gmbh), DLC4T12N (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok).
Key specifications for BLC5T12N: Shank Diameter: 0.247 INCHES MINIMUM AND 0.248 INCHES MAXIMUM IN; Detent to Tapered End Distance: 0.410 INCHES MAXIMUM IN; Detent Quantity: 2; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE HEAD. 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.