PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

11A7228Nut,plain,slotted,hexagon

Napco International Llc Dba Napco International Inc · NSN 5310-00-208-2831 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-2831 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-2831. Primary manufacturer part number: 11A7228.
Features
  • Nut,plain,slotted,hexagon — FSC 5310
  • Thread Quantity Per Inch: 12
  • Thread Series: UN
  • Bearing Surface Type: CHAMFERED
  • Nominal Thread Size: 1.750 INCHES IN
  • Width Across Flats: 2.625 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2B
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1212 or Steel Overall construction
General Description

The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-208-2831, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Napco International Llc Dba Napco International Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 12 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-208-2831
Primary Part Number11A7228
Item NameNut,plain,slotted,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNapco International Llc Dba Napco International Inc
StatusCANCELLED
Thread Quantity Per Inch12
Thread SeriesUN
Bearing Surface TypeCHAMFERED
Nominal Thread Size1.750 INCHES IN
Width Across Flats2.625 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class2B
Material Document and ClassificationQQ-S-637,COMP B1121 FED SPEC 1ST MATERIAL RESPONSE OR SAE 1114 ASSN STD 2ND MATERIAL RESPONSE OVERALL
Nut StyleSLOTTED, HEXAGON
MaterialSTEEL COMP 1212 OR STEEL OVERALL
Nut Height0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5905-00-100-8604 INTERCHANGEABLE
Resistor,fixed,wire Wound
3120-00-102-4641 INTERCHANGEABLE
Bushing,sleeve
5940-00-113-81840001591879 INTERCHANGEABLE
Terminal,lug
Daimler Truck North America Llc
5815-00-125-827374447 INTERCHANGEABLE
Wheel
Telemechanics Inc
5340-00-166-85852091007 INTERCHANGEABLE
Bumper
Miller Products Co Inc
2520-00-848-0576127126 INTERCHANGEABLE
Hub Impeller
Sachs-Boge of America
4920-01-296-157391214 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
6515-01-407-6948 INTERCHANGEABLE
Crutch
3040-01-424-217391214 INTERCHANGEABLE
Collar,shaft
Multiton Mic Corporation Dba Multiton Mic Corporation
Cross-Reference Index
Part NumberManufacturer
11A7228 PRIMARY Napco International Llc Dba Napco International Inc (USA)
1227U151 Corbitt Co Inc (USA)
245166 Brockway Motor Trucks Div of Mack Trucks Inc (USA)
421D4 Diamond Reo Truck Co (USA)
1227U151 Koehring Co Lorain Div (USA)
1227U151 Koehring Cranes and Excavators Inc Sub of Northwest Engineering Co (USA)
BB27162 Diamond Reo Truck Co (USA)
1227U151 PRIMARY Meritor Heavy Vehicle Systems, Llc (USA)
1227U151 Dart Truck Co (USA)
1227U151 Kaitlin Corp (USA)
11BMT244 PRIMARY Mack Trucks Inc Parts Opn (USA)
74447 PRIMARY General Motors Corp (USA)
91214 White Motor Corp (USA)
Related Parts
5905-00-100-8604INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
3120-00-102-4641INTERCHANGEABLE
BUSHING,SLEEVE
5940-00-113-8184INTERCHANGEABLE
TERMINAL,LUG
0001591879
5815-00-125-8273INTERCHANGEABLE
WHEEL
74447
5340-00-166-8585INTERCHANGEABLE
BUMPER
2091007
2520-00-848-0576INTERCHANGEABLE
HUB IMPELLER
127126
4920-01-296-1573INTERCHANGEABLE
TEST PROGRAM SET
91214
6515-01-407-6948INTERCHANGEABLE
CRUTCH
3040-01-424-2173INTERCHANGEABLE
COLLAR,SHAFT
91214

Frequently Asked Questions

What is NSN 5310-00-208-2831?

NSN 5310-00-208-2831 is a Nut,plain,slotted,hexagon, manufactured by Napco International Llc Dba Napco International Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-208-2831?

NSN 5310-00-208-2831 has 13 cross-referenced part numbers: 11A7228 (Napco International Llc Dba Napco International Inc), 1227U151 (Corbitt Co Inc), 245166 (Brockway Motor Trucks Div of Mack Trucks Inc), 421D4 (Diamond Reo Truck Co), 1227U151 (Koehring Co Lorain Div) and 8 more.

What NSN replaces 5310-00-208-2831?

There are 9 known substitutes for 5310-00-208-2831: 5905-00-100-8604, 3120-00-102-4641, 5940-00-113-8184 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 11A7228?

Key specifications for 11A7228: Thread Quantity Per Inch: 12; Thread Series: UN; Bearing Surface Type: CHAMFERED; Nominal Thread Size: 1.750 INCHES IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-208-2831 still in active supply?

NSN 5310-00-208-2831 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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