The Pin,straight,threaded, cataloged under National Stock Number 5315-00-697-0171, is classified within Federal Supply Class 5315 (Nails, Machine Keys, and Pins) of the Hardware and Abrasives group. The manufacturer of record is Gefa Instrument Corp Dba Aljo-Gefa Precision Maunufacturing, Llc. Government technical data includes 20 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5315-00-697-0171 |
| Primary Part Number | A51F13523-11 |
| Item Name | Pin,straight,threaded |
| FSC / FSG | 5315 / 53 — Nails, Machine Keys, and Pins |
| Manufacturer | Gefa Instrument Corp Dba Aljo-Gefa Precision Maunufacturing, Llc |
| Status | ACTIVE |
| Surface Finish | 16.0 MICROINCHES HEAD OUTSIDE DIAMETER |
| First End Taper Length | 0.0131 INCHES NOMINAL IN |
| First End Location | LARGE END |
| Thread Length | 0.400 INCHES NOMINAL IN |
| First End Style | CHAMFERED |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM HEAD |
| Criticality Code Justification | CTTF |
| First End Taper Angle | 45.0 DEGREES NOMINAL |
| Pin Overall Diameter | 0.1840 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Pin Overall Length | 1.844 INCHES NOMINAL IN |
| Second End Relationship with First End | NOT IDENTICAL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.190 INCHES IN |
| Pin Grip Length | 0.930 INCHES NOMINAL IN |
| Second End Outer Radius | 0.1235 INCHES MINIMUM AND 0.1243 INCHES MAXIMUM IN |
| Surface Treatment | CHROMIUM OVERALL |
| Second End Style | ROUND |
| Thread Class | 3A A |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| A51F13523-11 | Gefa Instrument Corp Dba Aljo-Gefa Precision Maunufacturing, Llc (USA) |
| A51F13523-11 | Capy Machine Shop Inc. Dba Capy Machine Shop Inc (USA) |
| Reference | Meaning |
|---|---|
| A51F13523-11 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation |
| A51F13523-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51F13523-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5315-00-697-0171 is a Pin,straight,threaded, manufactured by Gefa Instrument Corp Dba Aljo-Gefa Precision Maunufacturing, Llc, classified under FSC 5315, Nails, Machine Keys, and Pins. Status: active.
NSN 5315-00-697-0171 has 2 manufacturer part numbers on file: A51F13523-11 (Gefa Instrument Corp Dba Aljo-Gefa Precision Maunufacturing, Llc), A51F13523-11 (Capy Machine Shop Inc. Dba Capy Machine Shop Inc).
Key specifications for A51F13523-11: Surface Finish: 16.0 MICROINCHES HEAD OUTSIDE DIAMETER; First End Taper Length: 0.0131 INCHES NOMINAL IN; First End Location: LARGE END; Thread Length: 0.400 INCHES NOMINAL IN. 20 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.