PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20690Setscrew

Meggitt (new Hampshire), Inc · NSN 5305-00-033-2977 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-033-2977 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-033-2977. Primary manufacturer part number: 20690.
Features
  • Setscrew — FSC 5305
  • Material Document and Classification: AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Material: COPPER ALLOY 360 OVERALL
  • Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
  • Thread Series Designator: UNF
  • Thread Length: 0.156 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.125 INCHES IN
  • Head Style: HEADLESS (SETSCREW)
Applications
  • Applications requiring Copper Alloy 360 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-00-033-2977, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Meggitt (new Hampshire), Inc. Government technical data includes 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-033-2977
Primary Part Number20690
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMeggitt (new Hampshire), Inc
StatusACTIVE
Material Document and ClassificationAMS 4610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MaterialCOPPER ALLOY 360 OVERALL
Surface Treatment Document and ClassificationAMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread Series DesignatorUNF
Thread Length0.156 INCHES MINIMUM IN
Nominal Thread Diameter0.125 INCHES IN
Head StyleHEADLESS (SETSCREW)
Thread DirectionRIGHT-HAND
Thread Quantity Per Inch44
Surface TreatmentCADMIUM OVERALL
Fastener Length0.156 INCHES MINIMUM IN
Point StyleOVAL
Internal Drive StyleSLOT
Thread Class2A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4210-00-177-863420-690 INTERCHANGEABLE
Adapter,hose,fire E
Kidde Technologies, Inc Div Kidde Aerospace and Defense
5133-00-189-9267 INTERCHANGEABLE
Drill,twist
5950-00-648-026020690 INTERCHANGEABLE
Transformer,power
Freed Transformer Co
4810-01-443-6719695680-9 INTERCHANGEABLE
Valve,linear,directional Control
Lockheed Martin Corp
6240-01-463-5943 INTERCHANGEABLE
Lamp,fluorescent
3020-01-598-305620-690 INTERCHANGEABLE
Gear,spur
Natural Gas Solutions North America Llc Div Industrial Products Group
Cross-Reference Index
Part NumberManufacturer
20690 Meggitt (new Hampshire), Inc (USA)
Related Parts
4210-00-177-8634INTERCHANGEABLE
ADAPTER,HOSE,FIRE E
20-690
5133-00-189-9267INTERCHANGEABLE
DRILL,TWIST
5950-00-648-0260INTERCHANGEABLE
TRANSFORMER,POWER
20690
4810-01-443-6719INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
695680-9
6240-01-463-5943INTERCHANGEABLE
LAMP,FLUORESCENT
3020-01-598-3056INTERCHANGEABLE
GEAR,SPUR
20-690

Frequently Asked Questions

What is NSN 5305-00-033-2977?

NSN 5305-00-033-2977 is a Setscrew, manufactured by Meggitt (new Hampshire), Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-033-2977?

NSN 5305-00-033-2977 has 1 cross-referenced part number: 20690 (Meggitt (new Hampshire), Inc).

What NSN replaces 5305-00-033-2977?

There are 6 known substitutes for 5305-00-033-2977: 4210-00-177-8634, 5133-00-189-9267, 5950-00-648-0260 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20690?

Key specifications for 20690: Material Document and Classification: AMS 4610 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material: COPPER ALLOY 360 OVERALL; Surface Treatment Document and Classification: AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series Designator: UNF. 14 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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