PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30453Screw,cap,hexagon Head

Fwd Seagrave Holdings Lp · NSN 5305-00-637-9535 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-637-9535 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-637-9535. Primary manufacturer part number: 30453.
Features
  • Screw,cap,hexagon Head — FSC 5305
  • Thread Length: 2.000 INCHES NOMINAL IN
  • Head Height: 0.469 INCHES NOMINAL IN
  • Material Document and Classification: SAE GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS
  • Thread Series Designator: UNF
  • Hardness Rating: 19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
  • Width Between Flats: 0.875 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-637-9535, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fwd Seagrave Holdings Lp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-637-9535
Primary Part Number30453
Item NameScrew,cap,hexagon Head
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFwd Seagrave Holdings Lp
StatusACTIVE
Thread Length2.000 INCHES NOMINAL IN
Head Height0.469 INCHES NOMINAL IN
Material Document and ClassificationSAE GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL
Minimum Yield Strength120000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Hardness Rating19.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL
Width Between Flats0.875 INCHES NOMINAL IN
Head StyleHEXAGON
Fastener Length5.875 INCHES NOMINAL IN
Thread Class2A A
Thread Quantity Per Inch18
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.625 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-035-8702 INTERCHANGEABLE
Contact,electrical
5310-00-569-573330453 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
5930-00-705-5875 INTERCHANGEABLE
Switch,thermostatic
5930-01-048-50293045-3 INTERCHANGEABLE
Switch,rotary
Janco Corporation Dba Janco Corp Div Mason Controls
5940-01-069-8914 INTERCHANGEABLE
Splice,conductor
4520-01-264-939230136 INTERCHANGEABLE
Heating Element,electrical,nonim
L & R Manufacturing Company
6130-01-313-71093045-3 INTERCHANGEABLE
Power Supply
Power General Corp
4320-01-472-0950 INTERCHANGEABLE
Strainer,pump Case
Cross-Reference Index
Part NumberManufacturer
30453 PRIMARY Fwd Seagrave Holdings Lp (USA)
Related Parts
5999-00-035-8702INTERCHANGEABLE
CONTACT,ELECTRICAL
5310-00-569-5733INTERCHANGEABLE
WASHER,FLAT
30453
5930-00-705-5875INTERCHANGEABLE
SWITCH,THERMOSTATIC
5930-01-048-5029INTERCHANGEABLE
SWITCH,ROTARY
3045-3
5940-01-069-8914INTERCHANGEABLE
SPLICE,CONDUCTOR
4520-01-264-9392INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
30136
6130-01-313-7109INTERCHANGEABLE
POWER SUPPLY
3045-3
4320-01-472-0950INTERCHANGEABLE
STRAINER,PUMP CASE

Frequently Asked Questions

What is NSN 5305-00-637-9535?

NSN 5305-00-637-9535 is a Screw,cap,hexagon Head, manufactured by Fwd Seagrave Holdings Lp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-637-9535?

NSN 5305-00-637-9535 has 1 cross-referenced part number: 30453 (Fwd Seagrave Holdings Lp).

What NSN replaces 5305-00-637-9535?

There are 8 known substitutes for 5305-00-637-9535: 5999-00-035-8702, 5310-00-569-5733, 5930-00-705-5875 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30453?

Key specifications for 30453: Thread Length: 2.000 INCHES NOMINAL IN; Head Height: 0.469 INCHES NOMINAL IN; Material Document and Classification: SAE GRADE 5 ASSN STD ALL MATERIAL RESPONSES OVERALL; Minimum Yield Strength: 120000 POUNDS PER SQUARE INCH LBS. 13 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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