PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4279744Bolt,u

Oshkosh Defense Llc · NSN 5306-01-661-0311 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-661-0311 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-661-0311. Primary manufacturer part number: 4279744.
Features
  • Bolt,u — FSC 5306
  • 2 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Bolt,u, cataloged under National Stock Number 5306-01-661-0311, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Oshkosh Defense Llc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameBolt,u
FSC / FSG5306 — No Item Name Available (FSG 53)
ManufacturersFastenal Company Dba Fastenal Co (CAGE 0Y3H3); Oshkosh Defense Llc (CAGE 75Q65)
Technical Specifications
ParameterValue
NSN5306-01-661-0311
Primary Part Number4279744
Item NameBolt,u
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-088-8755677-0259-010 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5905-00-296-7519 INTERCHANGEABLE
Resistor,current Regulating
5999-00-383-20882409-1194988REVCPCP3034-3 INTERCHANGEABLE
Heater,thermal Release
Naval Ship Systems Command
5935-00-488-36868420 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
2940-00-497-6794AF493 INTERCHANGEABLE
Filter Element,intake Air Cleane
Cummins Filtration Inc Dba Fleetguard Div Cummins Inc
6240-00-553-8891INX3509 INTERCHANGEABLE
Lamp,incandescent
Pauluhn Electric Manufacturing, Llp Dba Pauluhn Electric
5210-00-687-35144-2003 INTERCHANGEABLE
Level,bench
Geier & Bluhm, Inc.
6620-00-714-430742003 INTERCHANGEABLE
Case and Ring Assy
Meggitt (new Hampshire), Inc
5935-00-803-14441509-101 INTERCHANGEABLE
Jack,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
4920-01-303-087042003 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
42003 Fastenal Company Dba Fastenal Co (USA)
4279744 PRIMARY Oshkosh Defense Llc (USA)
Related Parts
5950-00-088-8755INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0259-010
5905-00-296-7519INTERCHANGEABLE
RESISTOR,CURRENT REGULATING
5999-00-383-2088INTERCHANGEABLE
HEATER,THERMAL RELEASE
2409-1194988REVCPCP3034-3
5935-00-488-3686INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8420
2940-00-497-6794INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
AF493
6240-00-553-8891INTERCHANGEABLE
LAMP,INCANDESCENT
INX3509
5210-00-687-3514INTERCHANGEABLE
LEVEL,BENCH
4-2003
6620-00-714-4307INTERCHANGEABLE
CASE AND RING ASSY
42003
5935-00-803-1444INTERCHANGEABLE
JACK,TIP
1509-101
4920-01-303-0870INTERCHANGEABLE
TEST PROGRAM SET
42003
3030-01-332-1351INTERCHANGEABLE
BELT,V
GT2PB51E
5330-01-522-3584INTERCHANGEABLE
PACKING,PREFORMED
4622-25002375N

Frequently Asked Questions

What is NSN 5306-01-661-0311?

NSN 5306-01-661-0311 is a Bolt,u, manufactured by Oshkosh Defense Llc, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-661-0311?

NSN 5306-01-661-0311 has 2 cross-referenced part numbers: 42003 (Fastenal Company Dba Fastenal Co), 4279744 (Oshkosh Defense Llc).

What NSN replaces 5306-01-661-0311?

There are 12 known substitutes for 5306-01-661-0311: 5950-00-088-8755, 5905-00-296-7519, 5999-00-383-2088 and 9 more. Verify interchangeability with system specifications before substitution.

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