PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FF-S-210BSetscrew

Federal Specifications Promulgated by General Services Administration Washington DC · NSN 5305-00-082-1621 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-082-1621 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-082-1621. Primary manufacturer part number: FF-S-210B.
Features
  • Setscrew — FSC 5305
  • Thread Length: 1.500 INCHES MAXIMUM IN
  • Width Between Flats: 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
  • Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
  • Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL
  • Nominal Thread Diameter: 0.625 INCHES IN
  • Thread Direction: RIGHT-HAND
  • Thread Class: 2A A
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Setscrew, cataloged under National Stock Number 5305-00-082-1621, 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 15 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-082-1621
Primary Part NumberFF-S-210B
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerFederal Specifications Promulgated by General Services Administration Washington DC
StatusACTIVE
Thread Length1.500 INCHES MAXIMUM IN
Width Between Flats0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
Hardness Rating38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
Material Document and ClassificationSAE ASSN STD ALL MATERIAL RESPONSES OVERALL
Nominal Thread Diameter0.625 INCHES IN
Thread DirectionRIGHT-HAND
Thread Class2A A
Fastener Length1.438 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN
Head Height0.452 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
Thread Quantity Per Inch11
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleSQUARE
Features ProvidedCASEHARDENED
Point StyleOVAL
Internal Drive StyleW/O INTERNAL DRIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-017-9120 INTERCHANGEABLE
Setscrew
5305-00-054-9291 INTERCHANGEABLE
Setscrew
5305-00-058-0784 INTERCHANGEABLE
Setscrew
5305-00-060-9320499171-1 INTERCHANGEABLE
Setscrew
Raytheon Company Dba Raytheon
5305-00-275-5668 INTERCHANGEABLE
Setscrew
5305-00-282-2022 INTERCHANGEABLE
Setscrew
5305-00-285-1408 INTERCHANGEABLE
Setscrew
4820-00-573-2026110116-08 INTERCHANGEABLE
Valve,check
B/e Aerospace, Inc. Dba Interturbine Div Oxygen & PSU Systems
7050-01-628-22791101-1-6 INTERCHANGEABLE
Converter,digital to Digital
Omnitron Systems Technology, Inc. Dba Omnitron Systems Technology Inc
Cross-Reference Index
Part NumberManufacturer
FF-S-210B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
110116 Army Weapons Command Attn Amswe-Ree-S (USA)
Related Parts
5305-00-017-9120INTERCHANGEABLE
SETSCREW
5305-00-054-9291INTERCHANGEABLE
SETSCREW
5305-00-058-0784INTERCHANGEABLE
SETSCREW
5305-00-060-9320INTERCHANGEABLE
SETSCREW
499171-1
5305-00-275-5668INTERCHANGEABLE
SETSCREW
5305-00-282-2022INTERCHANGEABLE
SETSCREW
5305-00-285-1408INTERCHANGEABLE
SETSCREW
4820-00-573-2026INTERCHANGEABLE
VALVE,CHECK
110116-08
7050-01-628-2279INTERCHANGEABLE
CONVERTER,DIGITAL TO DIGITAL
1101-1-6

Frequently Asked Questions

What is NSN 5305-00-082-1621?

NSN 5305-00-082-1621 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 5305-00-082-1621?

NSN 5305-00-082-1621 has 2 cross-referenced part numbers: FF-S-210B (Federal Specifications Promulgated by General Services Administration Washington DC), 110116 (Army Weapons Command Attn Amswe-Ree-S).

What NSN replaces 5305-00-082-1621?

There are 9 known substitutes for 5305-00-082-1621: 5305-00-017-9120, 5305-00-054-9291, 5305-00-058-0784 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FF-S-210B?

Key specifications for FF-S-210B: Thread Length: 1.500 INCHES MAXIMUM IN; Width Between Flats: 0.606 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL; Material Document and Classification: SAE ASSN STD ALL MATERIAL RESPONSES OVERALL. 15 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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