The Nut,castellated,double Hexagon, cataloged under National Stock Number 5310-00-680-5843, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-680-5843 |
| Primary Part Number | 327B459P4 |
| Item Name | Nut,castellated,double Hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,AISI 303 OR AMS 5640,SILVER PLATED,AMS 2410 AND AMS 2411,0.138-40UNJF-3B THD,0.278 IN. MIN WIDTH ACROSS FLATS,0.173 IN. MIN,0.188 IN. MAX NUT HEIGHT IN |
| 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 |
|---|---|
| 327B459P4 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| 70Z1835-60 | 5/9 Secondary reference Harvard Industries Inc |
| 327B459P4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-680-5843 is a Nut,castellated,double Hexagon, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-680-5843 has 1 manufacturer part number on file: 327B459P4 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for 327B459P4: General Characteristics Item Description: STAINLESS STEEL,AISI 303 OR AMS 5640,SILVER PLATED,AMS 2410 AND AMS 2411,0.138-40UNJF-3B THD,0.278 IN. MIN WIDTH ACROSS FLATS,0.173 IN. MIN,0.188 IN. MAX NUT HEIGHT IN. 1 specification is 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.