PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

16531Setscrew

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-169-9820 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-169-9820 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-169-9820. Primary manufacturer part number: 16531.
Features
  • Setscrew — FSC 5305
  • Thread Quantity Per Inch: 32
  • Material: STEEL COMP 6150 OVERALL
  • Fastener Length: 0.250 INCHES NOMINAL IN
  • Internal Drive Style: SLOT
  • Thread Length: 0.250 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 6455 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
Applications
  • Applications requiring Steel Comp 6150 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-169-9820, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 12 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-169-9820
Primary Part Number16531
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Thread Quantity Per Inch32
MaterialSTEEL COMP 6150 OVERALL
Fastener Length0.250 INCHES NOMINAL IN
Internal Drive StyleSLOT
Thread Length0.250 INCHES MAXIMUM IN
Material Document and ClassificationAMS 6455 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Class3A A
Nominal Thread Diameter0.164 INCHES IN
Point StyleFLAT
Head StyleHEADLESS (SETSCREW)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-300-8415S9300-921873PC127 INTERCHANGEABLE
Gasket
Naval Ship Systems Command
5935-00-600-16348499318 INTERCHANGEABLE
Connector,receptacle,electrical
Us Army Aviation and Missile Command
3120-00-661-8067 INTERCHANGEABLE
Bearing,sleeve
5940-00-847-1898013-2024-00-0-479 INTERCHANGEABLE
Terminal,stud
Itt Cannon Rf Products
5355-00-999-02341653-1 INTERCHANGEABLE
Knob
Transicoil Llc Dba Ads Transicoil Div Transicoil
5950-01-019-5307984650-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5330-01-258-556316531 INTERCHANGEABLE
Gasket
Forenta Lp
6515-01-589-8239226.621 INTERCHANGEABLE
Bone Plate
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
5930-01-708-359316531 INTERCHANGEABLE
Switch Subassembly
Extreme Networks, Inc
Cross-Reference Index
Part NumberManufacturer
16531 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5330-00-300-8415INTERCHANGEABLE
GASKET
S9300-921873PC127
5935-00-600-1634INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
8499318
3120-00-661-8067INTERCHANGEABLE
BEARING,SLEEVE
5940-00-847-1898INTERCHANGEABLE
TERMINAL,STUD
013-2024-00-0-479
5355-00-999-0234INTERCHANGEABLE
KNOB
1653-1
5950-01-019-5307INTERCHANGEABLE
TRANSFORMER,POWER
984650-1
5330-01-258-5563INTERCHANGEABLE
GASKET
16531
6515-01-589-8239INTERCHANGEABLE
BONE PLATE
226.621
5930-01-708-3593INTERCHANGEABLE
SWITCH SUBASSEMBLY
16531

Frequently Asked Questions

What is NSN 5305-00-169-9820?

NSN 5305-00-169-9820 is a Setscrew, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-169-9820?

NSN 5305-00-169-9820 has 1 cross-referenced part number: 16531 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-169-9820?

There are 9 known substitutes for 5305-00-169-9820: 5330-00-300-8415, 5935-00-600-1634, 3120-00-661-8067 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 16531?

Key specifications for 16531: Thread Quantity Per Inch: 32; Material: STEEL COMP 6150 OVERALL; Fastener Length: 0.250 INCHES NOMINAL IN; Internal Drive Style: SLOT. 12 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