PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

81611Screw,machine

Exceltec Intl Corp · NSN 5305-01-377-9288 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-01-377-9288 — this item is cataloged by the U.S. Government under National Stock Number 5305-01-377-9288. Primary manufacturer part number: 81611.
Features
  • Screw,machine — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 0.500 INCHES NOMINAL IN
  • Thread Quantity Per Inch: 20
  • Internal Drive Style: SLOT
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • 2 verified cross-references
  • Primary manufacturer: Exceltec Intl Corp
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-01-377-9288, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Exceltec Intl Corp. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN5305-01-377-9288
Primary Part Number81611
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerExceltec Intl Corp
StatusACTIVE
Nominal Thread Diameter0.250 INCHES IN
Fastener Length0.500 INCHES NOMINAL IN
Thread Quantity Per Inch20
Internal Drive StyleSLOT
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-059-761981609 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
5815-00-125-830981609 INTERCHANGEABLE
Guard
Telemechanics Inc
4730-00-488-5905820-22 INTERCHANGEABLE
Clamp,hose
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
5935-00-993-29494087-0003 INTERCHANGEABLE
Adapter,connector
Sv Microwave, Inc. Div Sv Microwave
3120-01-097-8878MA268A-21052 INTERCHANGEABLE
Bearing,sleeve
Am General Llc
2590-01-188-858681609 INTERCHANGEABLE
Valve,winch Brake
Paccar Winch Inc Dba Paccar Winch Division
9905-01-193-0960081611 INTERCHANGEABLE
Plate,number
Abd Intl Inc Dba Abdick
5120-01-335-1155 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
3120-01-347-997081609 INTERCHANGEABLE
Bushing,sleeve
DP Manufacturing Inc.
5640-01-432-0921 INTERCHANGEABLE
Insulation Block,thermal
Cross-Reference Index
Part NumberManufacturer
81611 PRIMARY Exceltec Intl Corp (USA)
81609 Exceltec Intl Corp (USA)
Related Parts
5360-00-059-7619INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
81609
5815-00-125-8309INTERCHANGEABLE
GUARD
81609
4730-00-488-5905INTERCHANGEABLE
CLAMP,HOSE
820-22
5935-00-993-2949INTERCHANGEABLE
ADAPTER,CONNECTOR
4087-0003
3120-01-097-8878INTERCHANGEABLE
BEARING,SLEEVE
MA268A-21052
2590-01-188-8586INTERCHANGEABLE
VALVE,WINCH BRAKE
81609
9905-01-193-0960INTERCHANGEABLE
PLATE,NUMBER
081611
5120-01-335-1155INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
3120-01-347-9970INTERCHANGEABLE
BUSHING,SLEEVE
81609
5640-01-432-0921INTERCHANGEABLE
INSULATION BLOCK,THERMAL
3120-01-438-4914INTERCHANGEABLE
BUSHING,SLEEVE
5999-01-462-9848INTERCHANGEABLE
HEAT SINK-INSULATOR
741105-A

Frequently Asked Questions

What is NSN 5305-01-377-9288?

NSN 5305-01-377-9288 is a Screw,machine, manufactured by Exceltec Intl Corp, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-01-377-9288?

NSN 5305-01-377-9288 has 2 cross-referenced part numbers: 81611 (Exceltec Intl Corp), 81609 (Exceltec Intl Corp).

What NSN replaces 5305-01-377-9288?

There are 12 known substitutes for 5305-01-377-9288: 5360-00-059-7619, 5815-00-125-8309, 4730-00-488-5905 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 81611?

Key specifications for 81611: Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.500 INCHES NOMINAL IN; Thread Quantity Per Inch: 20; Internal Drive Style: SLOT. 5 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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