The Pin,shoulder,headless, cataloged under National Stock Number 5315-00-561-1019, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba. Government technical data includes 18 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-561-1019 |
| Primary Part Number | 52C537-1 |
| Item Name | Pin,shoulder,headless |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| Status | ACTIVE |
| Shank Diameter | 0.750 INCHES NOMINAL IN |
| First End Taper Length | 0.031 INCHES NOMINAL IN |
| First End Location | BOTH ENDS |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hole Arrangement Style | BOTH END DRILLED |
| First End Style | CHAMFERED |
| First Hole Diameter | 0.375 INCHES NOMINAL IN |
| Shank Length | 0.500 INCHES NOMINAL IN |
| Style Designator | SHOULDER |
| Material Document and Classification | QQ-S-634,COND CD FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Second End Relationship with First End | IDENTICAL |
| Second Hole Diameter | 0.125 INCHES NOMINAL IN |
| Shoulder Diameter | 0.875 INCHES NOMINAL IN |
| Center to Center Distance Between Holes | 7.260 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1020 OVERALL |
| Distance From Centerline of Hole to End of Pin | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 52C537-1 | Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba (USA) |
| Reference | Meaning |
|---|---|
| 62A35627 | 3/9 Design control — primary reference U.S. Government activity |
| 52C537-1 | 5/9 Secondary reference Bliss E W Co Gulf and Western Mfg Co Sub of Gulf and Western Industries |
NSN 5315-00-561-1019 is a Pin,shoulder,headless, manufactured by Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-561-1019 has 1 manufacturer part number on file: 52C537-1 (Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba).
Key specifications for 52C537-1: Shank Diameter: 0.750 INCHES NOMINAL IN; First End Taper Length: 0.031 INCHES NOMINAL IN; First End Location: BOTH ENDS; Surface Treatment Document and Classification: QQ-P-416,TYPE 1,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 18 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.