PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3631Setscrew

Kearflex Engineering Company · NSN 5305-01-089-6004 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-089-6004 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-089-6004. Primary manufacturer part number: 3631.
Features
  • Setscrew — FSC 5305
  • Internal Drive Style: SLOT
  • Thread Class: 3A A
  • Head Style: PAN NO. 2
  • Point Length: 0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
  • Thread Direction: RIGHT-HAND
  • Nominal Thread Diameter: 0.060 INCHES IN
  • Fastener Length: 0.150 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Applications
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Setscrew, cataloged under National Stock Number 5305-01-089-6004, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kearflex Engineering Company. Government technical data includes 17 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-089-6004
Primary Part Number3631
Item NameSetscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKearflex Engineering Company
StatusACTIVE
Internal Drive StyleSLOT
Thread Class3A A
Head StylePAN NO. 2
Point Length0.040 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Nominal Thread Diameter0.060 INCHES IN
Fastener Length0.150 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Head Height0.050 INCHES NOMINAL IN
Thread Length0.085 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
Thread Quantity Per Inch80
Point StyleCONE
Head Diameter0.125 INCHES NOMINAL IN
Point Chamfer Angle40.0 DEGREES NOMINAL
MaterialSTEEL COMP 303 OVERALL
Thread Series DesignatorUNF
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
1730-00-240-84963631 INTERCHANGEABLE
Sling,aircraft Maintenance
Allison Transmission Inc Dba Allison Transmission, Inc
5985-00-311-90593631 INTERCHANGEABLE
Dummy Load,electrical
Microwave Devices Inc
5120-00-439-8276 INTERCHANGEABLE
Bit,screwdriver
5950-00-647-7551 INTERCHANGEABLE
Transformer,power
2540-00-709-9712 INTERCHANGEABLE
Shaft
5825-00-901-25393631 INTERCHANGEABLE
Input Processor
The Bechdon Company, Llc
5950-00-910-92426140050-3 INTERCHANGEABLE
Transformer,radio Frequency
Viking Technologies, Ltd.
6680-00-964-9320363-1AND363-2 INTERCHANGEABLE
Indicator Set,liquid Quantity
Transicoil Llc Dba Ads Transicoil Div Transicoil
5935-01-096-43293631 INTERCHANGEABLE
Jack
Crown Audio, Inc. Dba Crown International
6105-01-256-4607010526 INTERCHANGEABLE
Motor,direct Current
Badger Truck and Automotive Group, Inc.
Cross-Reference Index
Part NumberManufacturer
3631 PRIMARY Kearflex Engineering Company (USA)
Related Parts
1730-00-240-8496INTERCHANGEABLE
SLING,AIRCRAFT MAINTENANCE
3631
5985-00-311-9059INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
3631
5120-00-439-8276INTERCHANGEABLE
BIT,SCREWDRIVER
5950-00-647-7551INTERCHANGEABLE
TRANSFORMER,POWER
2540-00-709-9712INTERCHANGEABLE
SHAFT
5825-00-901-2539INTERCHANGEABLE
INPUT PROCESSOR
3631
5950-00-910-9242INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
6140050-3
6680-00-964-9320INTERCHANGEABLE
INDICATOR SET,LIQUID QUANTITY
363-1AND363-2
5935-01-096-4329INTERCHANGEABLE
JACK
3631
6105-01-256-4607INTERCHANGEABLE
MOTOR,DIRECT CURRENT
010526
6520-01-315-4631INTERCHANGEABLE
REFERENCE PIN BLOCK,CASTING MACH
6640-01-553-5006INTERCHANGEABLE
PIPETTER
PIP-300UL-1STOP-M

Frequently Asked Questions

What is NSN 5305-01-089-6004?

NSN 5305-01-089-6004 is a Setscrew, manufactured by Kearflex Engineering Company, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-089-6004?

NSN 5305-01-089-6004 has 1 cross-referenced part number: 3631 (Kearflex Engineering Company).

What NSN replaces 5305-01-089-6004?

There are 12 known substitutes for 5305-01-089-6004: 1730-00-240-8496, 5985-00-311-9059, 5120-00-439-8276 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3631?

Key specifications for 3631: Internal Drive Style: SLOT; Thread Class: 3A A; Head Style: PAN NO. 2; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT. 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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