PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2-158Screw,machine

Unison Industries Llc · NSN 5305-00-033-2525 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-033-2525 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-033-2525. Primary manufacturer part number: 2-158.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 1.361 INCHES NOMINAL IN
  • Head Diameter: 0.341 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.060 INCHES IN
  • Head Height: 0.094 INCHES NOMINAL IN
  • Countersink Angle: 90.0 DEGREES NOMINAL
  • Thread Quantity Per Inch: 15-1/4
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-033-2525, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Unison Industries Llc. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-033-2525
Primary Part Number2-158
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerUnison Industries Llc
StatusCANCELLED
Thread DirectionRIGHT-HAND
Fastener Length1.361 INCHES NOMINAL IN
Head Diameter0.341 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN
Nominal Thread Diameter0.060 INCHES IN
Head Height0.094 INCHES NOMINAL IN
Countersink Angle90.0 DEGREES NOMINAL
Thread Quantity Per Inch15-1/4
Internal Drive StyleCROSS RECESS TYPE 1
Screw MaterialSTEEL
Head StyleFILLISTER COUNTERSUNK
Thread Series DesignatorBA
Thread Length0.875 INCHES MINIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5962-00-086-7484 INTERCHANGEABLE
Microcircuit,digital
9540-00-145-5771 INTERCHANGEABLE
Angle,structural
3110-00-151-9559EE117063 ASSY 90015 INTERCHANGEABLE
Bearing,roller,tapered
The Timken Corporation
5999-00-295-62312158 INTERCHANGEABLE
Clamp,electrical
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5360-00-298-3188 INTERCHANGEABLE
Spring,helical,compression
3415-00-407-1424 INTERCHANGEABLE
Grinding Machine,centerless,exte
5985-00-427-521620-2649 INTERCHANGEABLE
Coupler,rotary,radio Frequency
Microwave Development Laboratories, Inc. Dba Microwave Development Laboratories Inc
3120-00-580-3075 INTERCHANGEABLE
Bearing,sleeve
5310-00-582-985210015465-013 INTERCHANGEABLE
Washer,shouldered
Us Army Aviation and Missile Command
2805-00-740-1375630396 INTERCHANGEABLE
Strainer,oil Pump
Am General Llc
Cross-Reference Index
Part NumberManufacturer
2-158 Amphenol Corp Div Amphenol Aerospace Operations (USA)
332525 Army Weapons Command Attn Amswe-Ree-S (USA)
2-158 PRIMARY Unison Industries Llc (USA)
Related Parts
5962-00-086-7484INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
9540-00-145-5771INTERCHANGEABLE
ANGLE,STRUCTURAL
3110-00-151-9559INTERCHANGEABLE
BEARING,ROLLER,TAPERED
EE117063 ASSY 90015
5999-00-295-6231INTERCHANGEABLE
CLAMP,ELECTRICAL
2158
5360-00-298-3188INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3415-00-407-1424INTERCHANGEABLE
GRINDING MACHINE,CENTERLESS,EXTE
5985-00-427-5216INTERCHANGEABLE
COUPLER,ROTARY,RADIO FREQUENCY
20-2649
3120-00-580-3075INTERCHANGEABLE
BEARING,SLEEVE
5310-00-582-9852INTERCHANGEABLE
WASHER,SHOULDERED
10015465-013
2805-00-740-1375INTERCHANGEABLE
STRAINER,OIL PUMP
630396
6240-00-905-6050INTERCHANGEABLE
LAMP,INCANDESCENT
5815-00-975-9699INTERCHANGEABLE
SHAFT

Frequently Asked Questions

What is NSN 5305-00-033-2525?

NSN 5305-00-033-2525 is a Screw,machine, manufactured by Unison Industries Llc, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-033-2525?

NSN 5305-00-033-2525 has 3 cross-referenced part numbers: 2-158 (Amphenol Corp Div Amphenol Aerospace Operations), 332525 (Army Weapons Command Attn Amswe-Ree-S), 2-158 (Unison Industries Llc).

What NSN replaces 5305-00-033-2525?

There are 12 known substitutes for 5305-00-033-2525: 5962-00-086-7484, 9540-00-145-5771, 3110-00-151-9559 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2-158?

Key specifications for 2-158: Thread Direction: RIGHT-HAND; Fastener Length: 1.361 INCHES NOMINAL IN; Head Diameter: 0.341 INCHES MINIMUM AND 0.345 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.060 INCHES IN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-033-2525 still in active supply?

NSN 5305-00-033-2525 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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