The Pin,spring, cataloged under National Stock Number 5315-01-291-4573, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is International Organization for Standardization (iso). Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-01-291-4573 |
| Primary Part Number | ISO8752-3X18-C |
| Item Name | Pin,spring |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | International Organization for Standardization (iso) |
| Status | ACTIVE |
| Style Designator | SLOTTED |
| Diameter | 3.3 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM |
| Material Thickness | 0.6 MILLIMETERS NOMINAL MM |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| ISO8752-3X18-C PRIMARY | International Organization for Standardization (iso) (CHE) |
| 00.530.0233 PRIMARY | Heidelberg Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| DIN1481-3X18 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| DIN1481-3X18-B2D | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
| DIN1481-3X18 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5315-01-291-4573 is a Pin,spring, manufactured by International Organization for Standardization (iso), classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-01-291-4573 has 2 manufacturer part numbers on file: ISO8752-3X18-C (International Organization for Standardization (iso)), 00.530.0233 (Heidelberg Usa Inc).
1 possible match (shared part number, not a government interchangeability claim): 5315-01-549-8499. Verify interchangeability with system specifications before substitution.
Key specifications for ISO8752-3X18-C: Style Designator: SLOTTED; Diameter: 3.3 MILLIMETERS MINIMUM AND 3.5 MILLIMETERS MAXIMUM MM; Overall Length: 17.0 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM MM; Material Thickness: 0.6 MILLIMETERS NOMINAL MM. 4 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.