PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

27056Nut,plain,castellated,hexagon

Brinkley Technology Group Llc Dba Hercules Manufacturing · NSN 5310-00-208-2842 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-208-2842 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-208-2842. Primary manufacturer part number: 27056.
Features
  • Nut,plain,castellated,hexagon — FSC 5310
  • Nut Height: 0.406 INCHES NOMINAL IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 3B
  • Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Bearing Surface Type: WASHER FACED
  • Thread Series: UNF
  • Thread Quantity Per Inch: 24
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 3140 Overall construction
General Description

The Nut,plain,castellated,hexagon, cataloged under National Stock Number 5310-00-208-2842, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brinkley Technology Group Llc Dba Hercules Manufacturing. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-208-2842
Primary Part Number27056
Item NameNut,plain,castellated,hexagon
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBrinkley Technology Group Llc Dba Hercules Manufacturing
StatusACTIVE
Nut Height0.406 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Thread Class3B
Material Document and ClassificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Bearing Surface TypeWASHER FACED
Thread SeriesUNF
Thread Quantity Per Inch24
Nominal Thread Size0.375 INCHES IN
MaterialSTEEL COMP 3140 OVERALL
Width Across Flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nut StyleCASTELLATED, HEXAGON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
1615-00-065-337327056 INTERCHANGEABLE
Parts Kit,slip Ring
Electro-Tec Corp Dba Moog Inc., Components Group
2810-00-118-902127056 INTERCHANGEABLE
Piston,internal Combustion Engin
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5120-00-935-4550 INTERCHANGEABLE
Inserter,screw Thread Insert
3040-00-959-580827056 INTERCHANGEABLE
Shaft,shouldered
Mid-America Aerotech, Llc
6810-01-169-1773270-26 INTERCHANGEABLE
Silica 1 Reagent
Hach Company Dba Hach Co
6910-01-600-150102002901 INTERCHANGEABLE
Manikin,resuscitation Training
Laerdal Medical Corporation
Cross-Reference Index
Part NumberManufacturer
27056 PRIMARY Brinkley Technology Group Llc Dba Hercules Manufacturing (USA)
27056 Hercules Engine Co Inc (USA)
Related Parts
1615-00-065-3373INTERCHANGEABLE
PARTS KIT,SLIP RING
27056
2810-00-118-9021INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
27056
5120-00-935-4550INTERCHANGEABLE
INSERTER,SCREW THREAD INSERT
3040-00-959-5808INTERCHANGEABLE
SHAFT,SHOULDERED
27056
6810-01-169-1773INTERCHANGEABLE
SILICA 1 REAGENT
270-26
6910-01-600-1501INTERCHANGEABLE
MANIKIN,RESUSCITATION TRAINING
02002901

Frequently Asked Questions

What is NSN 5310-00-208-2842?

NSN 5310-00-208-2842 is a Nut,plain,castellated,hexagon, manufactured by Brinkley Technology Group Llc Dba Hercules Manufacturing, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-208-2842?

NSN 5310-00-208-2842 has 2 cross-referenced part numbers: 27056 (Brinkley Technology Group Llc Dba Hercules Manufacturing), 27056 (Hercules Engine Co Inc).

What NSN replaces 5310-00-208-2842?

There are 6 known substitutes for 5310-00-208-2842: 1615-00-065-3373, 2810-00-118-9021, 5120-00-935-4550 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 27056?

Key specifications for 27056: Nut Height: 0.406 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Thread Class: 3B; Material Document and Classification: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

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