The Pin,tapered,threaded, cataloged under National Stock Number 5315-00-810-7818, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Martin-Baker Aircraft Company Limited. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-810-7818 |
| Primary Part Number | MBEU12031 |
| Item Name | Pin,tapered,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Martin-Baker Aircraft Company Limited |
| Status | ACTIVE |
| First End Location | THREADED END |
| Thread Length | 0.250 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Taper Minor Diameter | 0.164 INCHES NOMINAL IN |
| Style Designator | THREADED AT SMALL END |
| Material Document and Classification | S.80 TYPE B,COND 4.2 MFR REF SINGLE MATERIAL RESPONSE AND 4.3 05901 FSCM U1604 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Taper Major Diameter | 0.188 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Taper Length | 0.700 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Second End Style | OVAL |
| Taper | 0.250 PER FOOT IN INCHES |
| Thread Class | 2A A |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MBEU12031 PRIMARY | Martin-Baker Aircraft Company Limited (GBR) |
| Reference | Meaning |
|---|---|
| 10177365 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5315-00-810-7818 is a Pin,tapered,threaded, manufactured by Martin-Baker Aircraft Company Limited, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-810-7818 has 1 manufacturer part number on file: MBEU12031 (Martin-Baker Aircraft Company Limited).
Key specifications for MBEU12031: First End Location: THREADED END; Thread Length: 0.250 INCHES NOMINAL IN; First End Style: CHAMFERED; Taper Minor Diameter: 0.164 INCHES NOMINAL IN. 17 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.