PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-200BSetscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-436-7127 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-436-7127 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-436-7127. Primary manufacturer part number: FF-S-200B.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 18
  • Point Style: FLAT
  • Thread Length: 0.500 INCHES MINIMUM IN
  • Thread Series Designator: UNF
  • Internal Drive Style: HEXAGON
  • Material: STEEL COMP 410 OVERALL
  • Thread Class: 3A A
Applications
  • Applications requiring Steel Comp 410 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-436-7127, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 13 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-436-7127
Primary Part NumberFF-S-200B
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Quantity Per Inch18
Point StyleFLAT
Thread Length0.500 INCHES MINIMUM IN
Thread Series DesignatorUNF
Internal Drive StyleHEXAGON
MaterialSTEEL COMP 410 OVERALL
Thread Class3A A
Head StyleHEADLESS (SETSCREW)
Fastener Length0.500 INCHES NOMINAL IN
Width Across Flats0.320 INCHES NOMINAL IN
Thread DirectionRIGHT-HAND
Material Document and ClassificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.625 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-022-3088FF-S-200B INTERCHANGEABLE
Setscrew
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5305-00-043-2393 INTERCHANGEABLE
Setscrew
5305-00-297-2935 INTERCHANGEABLE
Setscrew
5305-00-375-7417R126PCSP37 INTERCHANGEABLE
Setscrew
Circor Naval Solutions Llc Dba Warren Pumps
5305-00-395-4184 INTERCHANGEABLE
Setscrew
5305-00-702-4532NASM51981-74 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-724-7276NASM51966 INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5305-00-823-5719 INTERCHANGEABLE
Setscrew
5305-01-015-6631 INTERCHANGEABLE
Setscrew
5305-01-057-0866NAS1081-3A8P INTERCHANGEABLE
Setscrew
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
Cross-Reference Index
Part NumberManufacturer
FF-S-200B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
439B658PC2 General Electric Company (USA)
Related Parts
5305-00-022-3088INTERCHANGEABLE
SETSCREW
FF-S-200B
5305-00-043-2393INTERCHANGEABLE
SETSCREW
5305-00-297-2935INTERCHANGEABLE
SETSCREW
5305-00-375-7417INTERCHANGEABLE
SETSCREW
R126PCSP37
5305-00-395-4184INTERCHANGEABLE
SETSCREW
5305-00-702-4532INTERCHANGEABLE
SETSCREW
NASM51981-74
5305-00-724-7276INTERCHANGEABLE
SETSCREW
NASM51966
5305-00-823-5719INTERCHANGEABLE
SETSCREW
5305-01-015-6631INTERCHANGEABLE
SETSCREW
5305-01-057-0866INTERCHANGEABLE
SETSCREW
NAS1081-3A8P

Frequently Asked Questions

What is NSN 5305-00-436-7127?

NSN 5305-00-436-7127 is a Setscrew, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-436-7127?

NSN 5305-00-436-7127 has 2 cross-referenced part numbers: FF-S-200B (Federal Specifications Promulgated by General Services Administration Washington DC), 439B658PC2 (General Electric Company).

What NSN replaces 5305-00-436-7127?

There are 10 known substitutes for 5305-00-436-7127: 5305-00-022-3088, 5305-00-043-2393, 5305-00-297-2935 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-200B?

Key specifications for FF-S-200B: Thread Quantity Per Inch: 18; Point Style: FLAT; Thread Length: 0.500 INCHES MINIMUM IN; Thread Series Designator: UNF. 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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