PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11FM29AX5-818Nut,plain,hexagon

Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine · NSN 5310-00-012-1358 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-012-1358 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-012-1358. Primary manufacturer part number: 11FM29AX5-818.
Features
  • Nut,plain,hexagon — FSC 5310
  • Nondefinitive Spec/std Data: A TYPE
  • Material Document and Classification: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Surface Treatment: CADMIUM OR ZINC OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Quantity Per Inch: 18
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-012-1358, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 20 commercial cross-references from 15 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-012-1358
Primary Part Number11FM29AX5-818
Item NameNut,plain,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerColtec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine
StatusCANCELLED
Nondefinitive Spec/std DataA TYPE
Material Document and ClassificationQQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL OVERALL
Surface TreatmentCADMIUM OR ZINC OVERALL
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch18
Thread Class2B
Nominal Thread Size0.625 INCHES IN
Width Across Flats0.938 INCHES NOMINAL IN
Thread SeriesUNF
Nut Height0.547 INCHES NOMINAL IN
Bearing Surface TypeCHAMFERED OR WASHER FACED
Nut StyleHEXAGON
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
3110-00-555-5207 INTERCHANGEABLE
Bearing,ball,annular
5310-00-763-8905 INTERCHANGEABLE
Nut,plain,hexagon
5998-01-247-0453121-358 INTERCHANGEABLE
Circuit Card Assembly
Tricor Systems Inc
Cross-Reference Index
Part NumberManufacturer
11FM29AX5-818 Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine (USA)
5941601 General Motors Corp Fisher Guide Div (USA)
D0-9856 Emerson Power Transmission Corporation Div Ept (USA)
P682 Bae Systems Land & Armaments L.p. (USA)
33850S7S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1903091 General Motors Corp Delco Remy Div (USA)
FFB571TYPEA Federal Specifications Promulgated by General Services Administration Washington DC (USA)
L10MN45 Eaton Corp Dba Eaton Aerospace Jackson (USA)
33850S8 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
1903091 Borgwarner Pds (anderson), L.l.c. (USA)
121358 Navistar International Corporation Dba Navistar (USA)
P682 Fmc Corp (USA)
121358 Army Weapons Command Attn Amswe-Ree-S (USA)
121358 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
5941601 General Motors Corp (USA)
33850S7 Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
121358 General Motors Corp (USA)
X13-1200 Emerson Power Transmission Corporation Div Ept (USA)
121358 Diamond Reo Truck Co (USA)
1903091 General Motors Corp (USA)
Related Parts
3110-00-555-5207INTERCHANGEABLE
BEARING,BALL,ANNULAR
5310-00-763-8905INTERCHANGEABLE
NUT,PLAIN,HEXAGON
5998-01-247-0453INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
121-358

Frequently Asked Questions

What is NSN 5310-00-012-1358?

NSN 5310-00-012-1358 is a Nut,plain,hexagon, manufactured by Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-012-1358?

NSN 5310-00-012-1358 has 20 cross-referenced part numbers: 11FM29AX5-818 (Coltec Industries Inc. Dba Fairbanks Morse Engine Div Fairbanks Morse Engine), 5941601 (General Motors Corp Fisher Guide Div), D0-9856 (Emerson Power Transmission Corporation Div Ept), P682 (Bae Systems Land & Armaments L.p.), 33850S7S8 (Ford Motor Co Ford Parts and Service Div Government Part Sales) and 15 more.

What NSN replaces 5310-00-012-1358?

There are 3 known substitutes for 5310-00-012-1358: 3110-00-555-5207, 5310-00-763-8905, 5998-01-247-0453. Verify interchangeability with system specifications before substitution.

What are the specifications of 11FM29AX5-818?

Key specifications for 11FM29AX5-818: Nondefinitive Spec/std Data: A TYPE; Material Document and Classification: QQ-S-633-CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL OVERALL; Surface Treatment: CADMIUM OR ZINC OVERALL. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-012-1358 still in active supply?

NSN 5310-00-012-1358 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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