PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

X5008/12/151 ITEM 21Screw,machine

Wellman Group · NSN 5305-01-342-6542 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-342-6542 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-342-6542. Primary manufacturer part number: X5008/12/151 ITEM 21.
Features
  • Screw,machine — FSC 5305
  • Fastener Length: 0.312 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Thread Quantity Per Inch: 32
  • Thread Class: 2A A
  • Internal Drive Style: SLOT
  • Thread Direction: RIGHT-HAND
  • Thread Series Designator: UNF
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-342-6542, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Wellman Group. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-01-342-6542
Primary Part NumberX5008/12/151 ITEM 21
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerWellman Group
StatusACTIVE
Fastener Length0.312 INCHES NOMINAL IN
Nominal Thread Diameter0.190 INCHES IN
Thread Quantity Per Inch32
Thread Class2A A
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Thread Series DesignatorUNF
Screw MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5136-00-272-9761 INTERCHANGEABLE
Tap,thread Cutting
5340-00-443-47351205E109 INTERCHANGEABLE
Retainer,nut and Bolt
Meritor Industrial Products, Llc
5940-00-913-8090 INTERCHANGEABLE
Terminal,feedthru
5330-01-196-6716NW15121 INTERCHANGEABLE
Retainer,seal
Tld Wollard Llc
5950-01-388-71198517972-1 INTERCHANGEABLE
Transformer,current
Honeywell International Inc. Dba Honeywell International
5940-01-433-152210-302-1-044 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
5365-01-683-886915121 INTERCHANGEABLE
Shim
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
X5008/12/151 ITEM 21 Wellman Group (GBR)
004L005T10 Fischer and Porter Co (USA)
151 ITEM 21 Wellman Group (GBR)
X5008/12/151-21 Wellman Group (GBR)
151/21 Wellman Group (GBR)
004L005T10 Abb Ltd (GBR)
Related Parts
5136-00-272-9761INTERCHANGEABLE
TAP,THREAD CUTTING
5340-00-443-4735INTERCHANGEABLE
RETAINER,NUT AND BOLT
1205E109
5940-00-913-8090INTERCHANGEABLE
TERMINAL,FEEDTHRU
5330-01-196-6716INTERCHANGEABLE
RETAINER,SEAL
NW15121
5950-01-388-7119INTERCHANGEABLE
TRANSFORMER,CURRENT
8517972-1
5940-01-433-1522INTERCHANGEABLE
TERMINAL,STUD
10-302-1-044
5365-01-683-8869INTERCHANGEABLE
SHIM
15121

Frequently Asked Questions

What is NSN 5305-01-342-6542?

NSN 5305-01-342-6542 is a Screw,machine, manufactured by Wellman Group, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-342-6542?

NSN 5305-01-342-6542 has 6 cross-referenced part numbers: X5008/12/151 ITEM 21 (Wellman Group), 004L005T10 (Fischer and Porter Co), 151 ITEM 21 (Wellman Group), X5008/12/151-21 (Wellman Group), 151/21 (Wellman Group) and 1 more.

What NSN replaces 5305-01-342-6542?

There are 7 known substitutes for 5305-01-342-6542: 5136-00-272-9761, 5340-00-443-4735, 5940-00-913-8090 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of X5008/12/151 ITEM 21?

Key specifications for X5008/12/151 ITEM 21: Fastener Length: 0.312 INCHES NOMINAL IN; Nominal Thread Diameter: 0.190 INCHES IN; Thread Quantity Per Inch: 32; Thread Class: 2A A. 8 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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