The Washer,lock, cataloged under National Stock Number 5310-00-264-1151, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-264-1151 |
| Primary Part Number | B8540 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| Status | ACTIVE |
| Hole Diameter | 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Material Document and Classification | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nondefinitive Spec/std Data | A CLASS AND 1 STYLE |
| Material | STEEL OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Material Thickness | 0.047 INCHES NOMINAL IN |
| Outside Diameter | 0.359 INCHES NOMINAL IN |
| Style Designator | SPLIT HELICAL-RIGHT HAND |
| Departure From Cited Designator | AS MODIFIED BY OD |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8540 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| FFW84CLASSASTYLE1 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| B8540 PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 200074PC5 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5310-00-264-1151 is a Washer,lock, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-264-1151 has 4 cross-referenced part numbers: 8540 (Eaton Aerospace, Llc Dba Jackson South), FFW84CLASSASTYLE1 (Federal Specifications Promulgated by General Services Administration Washington DC), B8540 (Eaton Aerospace, Llc Dba Jackson South), 200074PC5 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 12 known substitutes for 5310-00-264-1151: 4940-00-006-0965, 5365-00-133-3662, 5950-00-229-9797 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for B8540: Hole Diameter: 0.255 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN; Material Document and Classification: FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Nondefinitive Spec/std Data: A CLASS AND 1 STYLE; Material: STEEL OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.