The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-012-5016, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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 | 5310-00-012-5016 |
| Primary Part Number | 187190 |
| Item Name | Nut,plain,castellated,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Thread Series | UNF |
| Nominal Thread Size | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Nut Style | CASTELLATED, HEXAGON |
| Surface Treatment | PHOSPHATE OVERALL |
| Material | STEEL OVERALL |
| Nondefinitive Spec/std Data | A TYPE |
| Nut Height | 0.274 INCHES MINIMUM AND 0.288 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Width Across Flats | 0.428 INCHES MINIMUM AND 0.437 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 28 |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 125016 | General Motors Corp (USA) |
| 5310000125016 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 125016 | General Motors Llc Dba General Motors Llc (USA) |
| FFB571TYPEA | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| FF-N-836 TY V | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 125016 | Army Weapons Command Attn Amswe-Ree-S (USA) |
| 187190 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| C5633 PRIMARY | Schwitzer Engine Components a Household Intl Co (USA) |
| 34567 | Amf Inc Amf York Div (USA) |
| 5203699 | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-012-5016 is a Nut,plain,castellated,hexagon, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-012-5016 has 10 cross-referenced part numbers: 125016 (General Motors Corp), 5310000125016 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales), 125016 (General Motors Llc Dba General Motors Llc), FFB571TYPEA (Federal Specifications Promulgated by General Services Administration Washington DC), FF-N-836 TY V (Federal Specifications Promulgated by General Services Administration Washington DC) and 5 more.
There are 12 known substitutes for 5310-00-012-5016: 4710-00-007-4732, 5940-00-107-1481, 5310-00-185-9744 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 187190: Thread Series: UNF; Nominal Thread Size: 0.250 INCHES IN; Thread Direction: RIGHT-HAND; Nut Style: CASTELLATED, HEXAGON. 12 total characteristics are documented in the Federal Logistics Information System.