PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A548Knob

Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc · NSN 5355-00-216-8233 · FSC 5355 · No Item Name Available
Verified by PartsTable
NSN 5355-00-216-8233 — this item is cataloged by the U.S. Government under National Stock Number 5355-00-216-8233. Primary manufacturer part number: A548.
Features
  • Knob — FSC 5355
  • Outside Diameter: 1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
  • Gripping Surface Condition: GRIP AID
  • Shank Style: STRAIGHT
  • Attachment Method: SETSCREWS
  • Screw Drive Type: CROSS RECESS TYPE 1
  • Overall Thickness: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Knob, cataloged under National Stock Number 5355-00-216-8233, is classified within Federal Supply Class 5355 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc. Government technical data includes 17 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5355-00-216-8233
Primary Part NumberA548
Item NameKnob
FSC / FSG5355 / 53 — No Item Name Available
ManufacturerTechnical Services Laboratory, Inc. Dba Technical Services Laboratory Inc
StatusACTIVE
Outside Diameter1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN
Gripping Surface ConditionGRIP AID
Shank StyleSTRAIGHT
Attachment MethodSETSCREWS
Screw Drive TypeCROSS RECESS TYPE 1
Overall Thickness0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SCREW HOLE
Thread Quantity Per Inch40 SCREW HOLE
Nominal Thread Size0.112 INCHES SCREW HOLE IN
Style DesignatorROUND
ColorBLACK
Shaft Accommodation StyleROUND
Setscrew Hole Quantity2
Inside Diameter0.252 INCHES MINIMUM AND 0.254 INCHES MAXIMUM IN
Shank Diameter0.800 INCHES MINIMUM AND 0.820 INCHES MAXIMUM IN
Shank Length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
Distance From Hole Center to Knob/skirt Base0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3120-00-287-9008A548 INTERCHANGEABLE
Bearing,sleeve
Chrysler Corp Amplex Div
2815-00-361-4718 INTERCHANGEABLE
Valve,poppet,engine
5133-01-525-2133A54-8 INTERCHANGEABLE
Cutter,countersink
Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc
Cross-Reference Index
Part NumberManufacturer
A548 PRIMARY Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc (USA)
A548 Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp (USA)
Related Parts
3120-00-287-9008INTERCHANGEABLE
BEARING,SLEEVE
A548
2815-00-361-4718INTERCHANGEABLE
VALVE,POPPET,ENGINE
5133-01-525-2133INTERCHANGEABLE
CUTTER,COUNTERSINK
A54-8

Frequently Asked Questions

What is NSN 5355-00-216-8233?

NSN 5355-00-216-8233 is a Knob, manufactured by Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc, classified under FSC 5355 (No Item Name Available). Status: active.

What are the part numbers for NSN 5355-00-216-8233?

NSN 5355-00-216-8233 has 2 cross-referenced part numbers: A548 (Technical Services Laboratory, Inc. Dba Technical Services Laboratory Inc), A548 (Aiken Advanced Systems Inc a Div of Amstar Technical Products Inc an Affil of Amstar Corp).

What NSN replaces 5355-00-216-8233?

There are 3 known substitutes for 5355-00-216-8233: 3120-00-287-9008, 2815-00-361-4718, 5133-01-525-2133. Verify interchangeability with system specifications before substitution.

What are the specifications of A548?

Key specifications for A548: Outside Diameter: 1.430 INCHES MINIMUM AND 1.450 INCHES MAXIMUM IN; Gripping Surface Condition: GRIP AID; Shank Style: STRAIGHT; Attachment Method: SETSCREWS. 18 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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