PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34-274Thumbscrew

Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems · NSN 5305-00-206-6051 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-206-6051 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-206-6051. Primary manufacturer part number: 34-274.
Features
  • Thumbscrew — FSC 5305
  • Thread Length: 0.105 INCHES MINIMUM IN
  • Thread Direction: RIGHT-HAND
  • Shoulder Length: 0.240 INCHES NOMINAL FIRST SHOULDER IN
  • Surface Treatment: PASSIVATE OVERALL
  • Thread Quantity Per Inch: 56
  • Material Document and Classification: MIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
  • Point Style: FLAT
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Thumbscrew, cataloged under National Stock Number 5305-00-206-6051, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems. Government technical data includes 16 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-206-6051
Primary Part Number34-274
Item NameThumbscrew
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerBae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
StatusACTIVE
Thread Length0.105 INCHES MINIMUM IN
Thread DirectionRIGHT-HAND
Shoulder Length0.240 INCHES NOMINAL FIRST SHOULDER IN
Surface TreatmentPASSIVATE OVERALL
Thread Quantity Per Inch56
Material Document and ClassificationMIL-S-7720 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-18732 MIL SPEC 2ND MATERIAL RESPONSE OVERALL
Point StyleFLAT
Head Diameter0.219 INCHES NOMINAL IN
Thread Series DesignatorUNF
Head StyleKNURLED NO. 1
Head Height0.074 INCHES NOMINAL IN
Thread Class2A A
Shoulder ShapeROUND FIRST SHOULDER
Fastener Length0.345 INCHES NOMINAL IN
Nominal Thread Diameter0.099 INCHES IN
Shoulder Diameter0.113 INCHES NOMINAL FIRST SHOULDER IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-014-585521NE-066 INTERCHANGEABLE
Nut,self-Locking,hexagon
Esna, Llc
3110-00-100-984134274 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5331-00-113-3804 INTERCHANGEABLE
O-Ring
6685-00-585-453834274 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
5985-00-871-7783579R274H01 INTERCHANGEABLE
Attenuator,variable
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
Cross-Reference Index
Part NumberManufacturer
57-3047 Seeburg Corp the Seeburg Products Div (USA)
34-274 PRIMARY Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
Related Parts
5310-00-014-5855INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
21NE-066
3110-00-100-9841INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
34274
5331-00-113-3804INTERCHANGEABLE
O-RING
6685-00-585-4538INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
34274
5985-00-871-7783INTERCHANGEABLE
ATTENUATOR,VARIABLE
579R274H01

Frequently Asked Questions

What is NSN 5305-00-206-6051?

NSN 5305-00-206-6051 is a Thumbscrew, manufactured by Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-206-6051?

NSN 5305-00-206-6051 has 2 cross-referenced part numbers: 57-3047 (Seeburg Corp the Seeburg Products Div), 34-274 (Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems).

What NSN replaces 5305-00-206-6051?

There are 5 known substitutes for 5305-00-206-6051: 5310-00-014-5855, 3110-00-100-9841, 5331-00-113-3804 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34-274?

Key specifications for 34-274: Thread Length: 0.105 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Shoulder Length: 0.240 INCHES NOMINAL FIRST SHOULDER IN; Surface Treatment: PASSIVATE OVERALL. 16 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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