PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X18188Nut,plain,slotted,hexagon

Jaeger Machine Co · NSN 5310-00-199-5302 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-199-5302 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-199-5302. Primary manufacturer part number: X18188.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Nominal Thread Size: 0.375 INCHES IN
  • Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
  • Thread Quantity Per Inch: 24
  • Thread Series: UNF
  • Nut Style: SLOTTED, HEXAGON
  • Bearing Surface Type: WASHER FACED
  • Width Across Flats: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1020 or Steel Comp 8637 Overall construction
General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-199-5302, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Jaeger Machine Co. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 30 commercial cross-references from 25 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-199-5302
Primary Part NumberX18188
Item NameNut,plain,slotted,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerJaeger Machine Co
StatusCANCELLED
Nominal Thread Size0.375 INCHES IN
Hardness Rating28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
Thread Quantity Per Inch24
Thread SeriesUNF
Nut StyleSLOTTED, HEXAGON
Bearing Surface TypeWASHER FACED
Width Across Flats0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
MaterialSTEEL COMP 1020 OR STEEL COMP 8637 OVERALL
Thread Class3B
Countersink Angle90.0 DEGREES NOMINAL NUT
Material Document and ClassificationQQ-S-635 FED SPEC 1ST MATERIAL RESPONSE OR AISI ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nut Height0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5998-00-091-1418123SAV55972-1 INTERCHANGEABLE
Holder,printed Circuit Board
Northrop Grumman Systems Corporation
6685-00-115-6012AA44-6-PV2-RW-PD-S4 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
3010-00-215-075925116 INTERCHANGEABLE
Coupling Half,shaft
Hydro-Aire Aerospace Corp
3020-00-268-42032940P11 INTERCHANGEABLE
Gear,helical
Taylor Machine Works Inc
5120-00-277-1243 INTERCHANGEABLE
Wrench,open End
5305-00-315-915011A INTERCHANGEABLE
Screw,bezel Top
Wakmann Watch Company Inc
5940-00-331-144511A-144 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5930-00-489-28335843 INTERCHANGEABLE
Retainer,electrical Switch
Goodrich Aerospace Canada Ltd
5910-00-513-5422 INTERCHANGEABLE
Capacitor,fixed,mica Dielectric
3030-00-529-0496 INTERCHANGEABLE
Belt,v
Cross-Reference Index
Part NumberManufacturer
X18188 Jaeger Machine Co (USA)
3990E9050 Yale Security Inc. Dba Norton Door Control (USA)
10M055 Warwick Electronics Inc Pacific Mercury Div
3990E9050 Hyster-Yale Group, Inc. Dba Yale Materials Handling (USA)
X18188 Clark Equipment Co (USA)
X18188 Bomag Usa Sub of United Dominion Industries Ltd (USA)
M16828 Mancraft Industries Inc (USA)
X18188 Wolverine Diesel Power Co (USA)
1309 Divco Truck Div of Divco-Wayne Corp (USA)
X18188 Stewart & Stevenson Power Products Llc (USA)
X18188 Tbg Inc Peerless Pump Div (USA)
X18188 Abm Equipment, Llc (USA)
X18188 Cnh Industrial America Llc Dba Cnh America (USA)
X18188 Linde Lift Truck Corp. (USA)
X18188 Hoist Liftruck Mfg Inc (USA)
67MA91 Linde Lift Truck Corp. (USA)
X18188 Mitsubishi Caterpillar Forklift America, Inc (USA)
851010 Clark Equipment Co (USA)
X18188 Worthington Compressors Inc Air Power and Construction Equip Div (USA)
851010 Dana Off Highway Products, Llc (USA)
Related Parts
5998-00-091-1418INTERCHANGEABLE
HOLDER,PRINTED CIRCUIT BOARD
123SAV55972-1
6685-00-115-6012INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA44-6-PV2-RW-PD-S4
3010-00-215-0759INTERCHANGEABLE
COUPLING HALF,SHAFT
25116
3020-00-268-4203INTERCHANGEABLE
GEAR,HELICAL
2940P11
5120-00-277-1243INTERCHANGEABLE
WRENCH,OPEN END
5305-00-315-9150INTERCHANGEABLE
SCREW,BEZEL TOP
11A
5940-00-331-1445INTERCHANGEABLE
TERMINAL,LUG
11A-144
5930-00-489-2833INTERCHANGEABLE
RETAINER,ELECTRICAL SWITCH
5843
5910-00-513-5422INTERCHANGEABLE
CAPACITOR,FIXED,MICA DIELECTRIC
3030-00-529-0496INTERCHANGEABLE
BELT,V
5940-00-557-1471INTERCHANGEABLE
TERMINAL,LUG
7612710
5340-00-598-2825INTERCHANGEABLE
CATCH,FRICTION

Frequently Asked Questions

What is NSN 5310-00-199-5302?

NSN 5310-00-199-5302 is a Nut,plain,slotted,hexagon, manufactured by Jaeger Machine Co, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-199-5302?

NSN 5310-00-199-5302 has 30 cross-referenced part numbers: X18188 (Jaeger Machine Co), 3990E9050 (Yale Security Inc. Dba Norton Door Control), 10M055 (Warwick Electronics Inc Pacific Mercury Div), 3990E9050 (Hyster-Yale Group, Inc. Dba Yale Materials Handling), X18188 (Clark Equipment Co) and 25 more.

What NSN replaces 5310-00-199-5302?

There are 12 known substitutes for 5310-00-199-5302: 5998-00-091-1418, 6685-00-115-6012, 3010-00-215-0759 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X18188?

Key specifications for X18188: Nominal Thread Size: 0.375 INCHES IN; Hardness Rating: 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Thread Quantity Per Inch: 24; Thread Series: UNF. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-199-5302 still in active supply?

NSN 5310-00-199-5302 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.
PartsTable Design LLC · partstable.com