PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12377Screw,machine

Kleinschmidt Inc · NSN 5305-00-191-6222 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-191-6222 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-191-6222. Primary manufacturer part number: 12377.
Features
  • Screw,machine — FSC 5305
  • Screw Surface Treatment: NICKEL
  • Thread Length: 0.688 INCHES MINIMUM IN
  • Nominal Thread Diameter: 0.190 INCHES IN
  • Head Diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
  • Fastener Length: 0.750 INCHES NOMINAL IN
  • Head Style: PAN NO. 2
  • 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 5305-00-191-6222, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Kleinschmidt Inc. Government technical data includes 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-191-6222
Primary Part Number12377
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerKleinschmidt Inc
StatusACTIVE
Screw Surface TreatmentNICKEL
Thread Length0.688 INCHES MINIMUM IN
Nominal Thread Diameter0.190 INCHES IN
Head Diameter0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN
Fastener Length0.750 INCHES NOMINAL IN
Head StylePAN NO. 2
Thread Series DesignatorUNF
Thread Quantity Per Inch32
Screw MaterialCOPPER ALLOY
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Thread Class2A A
Head Height0.099 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6145-00-393-40758860 INTERCHANGEABLE
Cable,power,electrical
Janor Wire & Cable Corp
2915-00-441-990812-377 INTERCHANGEABLE
Lobe,pump,fuel
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4820-00-622-681312377 INTERCHANGEABLE
Piston and Cup Assembly
Aerco International, Inc. Dba Aerco International Inc
5985-01-043-0141 INTERCHANGEABLE
Antenna
4820-01-186-8444N12377 INTERCHANGEABLE
Disk,nozzle Pin,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-212-027612377 INTERCHANGEABLE
Coupling,pipe
Westerbeke Corporation
2530-01-345-081512377 INTERCHANGEABLE
Piston,hydraulic Brake,master Cy
DP Manufacturing Inc.
6115-01-507-2426 INTERCHANGEABLE
Generator,alternating Current
6525-01-575-0673100-0877-01 INTERCHANGEABLE
Cover,foam Gasket Dust Assembly,
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
12377 Kleinschmidt Inc (USA)
Related Parts
6145-00-393-4075INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8860
2915-00-441-9908INTERCHANGEABLE
LOBE,PUMP,FUEL
12-377
4820-00-622-6813INTERCHANGEABLE
PISTON AND CUP ASSEMBLY
12377
5985-01-043-0141INTERCHANGEABLE
ANTENNA
4820-01-186-8444INTERCHANGEABLE
DISK,NOZZLE PIN,VALVE
N12377
4730-01-212-0276INTERCHANGEABLE
COUPLING,PIPE
12377
2530-01-345-0815INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE,MASTER CY
12377
6115-01-507-2426INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
6525-01-575-0673INTERCHANGEABLE
COVER,FOAM GASKET DUST ASSEMBLY,
100-0877-01

Frequently Asked Questions

What is NSN 5305-00-191-6222?

NSN 5305-00-191-6222 is a Screw,machine, manufactured by Kleinschmidt Inc, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-191-6222?

NSN 5305-00-191-6222 has 1 cross-referenced part number: 12377 (Kleinschmidt Inc).

What NSN replaces 5305-00-191-6222?

There are 9 known substitutes for 5305-00-191-6222: 6145-00-393-4075, 2915-00-441-9908, 4820-00-622-6813 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12377?

Key specifications for 12377: Screw Surface Treatment: NICKEL; Thread Length: 0.688 INCHES MINIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Head Diameter: 0.357 INCHES MINIMUM AND 0.373 INCHES MAXIMUM IN. 13 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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