PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6997Screw,cap,hexagon Head

Moog Military Aircraft Llc · NSN 5305-00-485-8209 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-485-8209 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-485-8209. Primary manufacturer part number: 6997.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Fastener Length: 0.594 INCHES NOMINAL IN
  • Width Between Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.375 INCHES IN
  • Thread Length: 0.491 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
  • Material: STEEL COMP 431 OVERALL
  • Hole Configuration Style: HEXAGON LONGITUDINAL HOLE
  • Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 431 Overall construction
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-485-8209, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Moog Military Aircraft Llc. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-485-8209
Primary Part Number6997
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMoog Military Aircraft Llc
StatusACTIVE
Fastener Length0.594 INCHES NOMINAL IN
Width Between Flats0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
Nominal Thread Diameter0.375 INCHES IN
Thread Length0.491 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN
MaterialSTEEL COMP 431 OVERALL
Hole Configuration StyleHEXAGON LONGITUDINAL HOLE
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Thread Series DesignatorUNF
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch24
Hole Quantity1
Head Height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Thread Class3A A
Hole TypeDRILLED
Head StyleHEXAGON
Hole Diameter0.070 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
4310-00-062-43536997 INTERCHANGEABLE
Ring,piston
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
5940-00-180-7956699-GP-07 INTERCHANGEABLE
Terminal Board
Regal Beloit America, Inc
5930-00-356-2299 INTERCHANGEABLE
Switch,rotary
4730-00-365-65786997 INTERCHANGEABLE
Strainer,sediment
Westinghouse Air Brake Technologies Corp Dba Westinghouse Air Brake Technologies Corp
5935-00-477-9303BT49951 INTERCHANGEABLE
Shell,electrical Connector
Thermo Electric Company Inc. Dba Thermo Electric Company
2530-00-545-5394F11330 INTERCHANGEABLE
Parts Kit,hydraulic Brake Wheel
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
5950-00-593-04495904763 INTERCHANGEABLE
Transformer,radio Frequency
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
3040-00-759-0799 INTERCHANGEABLE
Cylinder Assembly,actuating,line
5342-00-958-95996997 INTERCHANGEABLE
Plate
King Engineering Corporation Dba King-Gage Systems
1005-01-658-51446997 INTERCHANGEABLE
Barrel,pistol
Glock, Inc.
Cross-Reference Index
Part NumberManufacturer
6997 Moog Inc Div Moog Inc., Space and Defense - Salt Lake City (USA)
6997 E-Systems Inc Montek Div Fluid Controls Opns (USA)
6997 PRIMARY Moog Military Aircraft Llc (USA)
6997 Moog Inc (USA)
Related Parts
4310-00-062-4353INTERCHANGEABLE
RING,PISTON
6997
5940-00-180-7956INTERCHANGEABLE
TERMINAL BOARD
699-GP-07
5930-00-356-2299INTERCHANGEABLE
SWITCH,ROTARY
4730-00-365-6578INTERCHANGEABLE
STRAINER,SEDIMENT
6997
5935-00-477-9303INTERCHANGEABLE
SHELL,ELECTRICAL CONNECTOR
BT49951
2530-00-545-5394INTERCHANGEABLE
PARTS KIT,HYDRAULIC BRAKE WHEEL
F11330
5950-00-593-0449INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5904763
3040-00-759-0799INTERCHANGEABLE
CYLINDER ASSEMBLY,ACTUATING,LINE
5342-00-958-9599INTERCHANGEABLE
PLATE
6997
1005-01-658-5144INTERCHANGEABLE
BARREL,PISTOL
6997

Frequently Asked Questions

What is NSN 5305-00-485-8209?

NSN 5305-00-485-8209 is a Screw,cap,hexagon Head, manufactured by Moog Military Aircraft Llc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-485-8209?

NSN 5305-00-485-8209 has 4 cross-referenced part numbers: 6997 (Moog Inc Div Moog Inc., Space and Defense - Salt Lake City), 6997 (E-Systems Inc Montek Div Fluid Controls Opns), 6997 (Moog Military Aircraft Llc), 6997 (Moog Inc).

What NSN replaces 5305-00-485-8209?

There are 10 known substitutes for 5305-00-485-8209: 4310-00-062-4353, 5940-00-180-7956, 5930-00-356-2299 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6997?

Key specifications for 6997: Fastener Length: 0.594 INCHES NOMINAL IN; Width Between Flats: 0.544 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN; Thread Length: 0.491 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN. 17 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com