The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-596-7421, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-596-7421 |
| Primary Part Number | 81334639 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nondefinitive Spec/std Data | B GROUP AND 4 TYPE AND 3 STYLE |
| Thread Direction | RIGHT-HAND |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| Nominal Thread Size | 0.312 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Thread Series | UNF |
| Hardness Rating | 103.0 BRINELL STANDARD MINIMUM |
| Nut Height | 0.266 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Departure From Cited Designator | AS MODIFIED BY OVERALL HEIGHT |
| Material | STEEL OVERALL |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3B |
| Width Across Flats | 0.5460 INCHES MINIMUM AND 0.5625 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 81334639 PRIMARY | Fairbanks Morse, Llc (USA) |
| N11FM29AX5-16 24 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| FFN836GPBTYPE4STYLE3 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MADG7540BPC40 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
| 81334639 | Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA) |
NSN 5310-00-596-7421 is a Nut,plain,hexagon, manufactured by Fairbanks Morse, Llc, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-596-7421 has 5 cross-referenced part numbers: 81334639 (Fairbanks Morse, Llc), N11FM29AX5-16 24 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), FFN836GPBTYPE4STYLE3 (Federal Specifications Promulgated by General Services Administration Washington DC), MADG7540BPC40 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 81334639 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine).
There are 3 known substitutes for 5310-00-596-7421: 5310-00-274-9812, 5310-00-297-8920, 5310-00-297-8927. Verify interchangeability with system specifications before substitution.
Key specifications for 81334639: Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Nondefinitive Spec/std Data: B GROUP AND 4 TYPE AND 3 STYLE; Thread Direction: RIGHT-HAND; Bearing Surface Type: CHAMFERED OR WASHER FACED. 15 total characteristics are documented in the Federal Logistics Information System.