PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8331805Screw,machine

U S Army Tank Automotive Command Amsta-Im-Mm · NSN 5305-00-270-7300 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-270-7300 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-270-7300. Primary manufacturer part number: 8331805.
Features
  • Screw,machine — FSC 5305
  • Thread Direction: RIGHT-HAND
  • Fastener Length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
  • Head Height: 0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
  • Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 32
  • Thread Length: 0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
  • Screw Surface Treatment: ZINC OR DICHROMATE
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-270-7300, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 14 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-270-7300
Primary Part Number8331805
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerU S Army Tank Automotive Command Amsta-Im-Mm
StatusACTIVE
Thread DirectionRIGHT-HAND
Fastener Length1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN
Head Height0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN
Head Diameter0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN
Thread Quantity Per Inch32
Thread Length0.875 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN
Screw Surface TreatmentZINC OR DICHROMATE
Thread Class2A A
Screw Material Document and ClassificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Head StyleFILLISTER
Nominal Thread Diameter0.164 INCHES IN
Internal Drive StyleSLOT
Screw MaterialSTEEL COMP 1010
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6750-00-198-466871100 INTERCHANGEABLE
Plate,photographic
Miller Dial, Llc
4730-00-222-0966 INTERCHANGEABLE
Fitting,lubrication
9540-00-261-5159 INTERCHANGEABLE
Beam,structural
5975-00-296-6989 INTERCHANGEABLE
Box Connector,raceway
5962-00-658-32045781 INTERCHANGEABLE
Microcircuit,linear
Analog Devices, Inc. Div Corporate Headquarters
5950-00-681-75012006567 INTERCHANGEABLE
Reactor
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5935-00-958-1738TRU-5781 INTERCHANGEABLE
Connector,plug,electrical
Winchester Interconnect Rf Corporation
9540-01-071-0123 INTERCHANGEABLE
Beam,structural
2530-01-624-07535781 INTERCHANGEABLE
Housing Assembly,plunger Brake,s
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
8331805 PRIMARY U S Army Tank Automotive Command Amsta-Im-Mm (USA)
5781 Wico-Prestolite Co the Div of Eltra Corp (USA)
Related Parts
6750-00-198-4668INTERCHANGEABLE
PLATE,PHOTOGRAPHIC
71100
4730-00-222-0966INTERCHANGEABLE
FITTING,LUBRICATION
9540-00-261-5159INTERCHANGEABLE
BEAM,STRUCTURAL
5975-00-296-6989INTERCHANGEABLE
BOX CONNECTOR,RACEWAY
5962-00-658-3204INTERCHANGEABLE
MICROCIRCUIT,LINEAR
5781
5950-00-681-7501INTERCHANGEABLE
REACTOR
2006567
5935-00-958-1738INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
TRU-5781
9540-01-071-0123INTERCHANGEABLE
BEAM,STRUCTURAL
2530-01-624-0753INTERCHANGEABLE
HOUSING ASSEMBLY,PLUNGER BRAKE,S
5781

Frequently Asked Questions

What is NSN 5305-00-270-7300?

NSN 5305-00-270-7300 is a Screw,machine, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-270-7300?

NSN 5305-00-270-7300 has 2 cross-referenced part numbers: 8331805 (U S Army Tank Automotive Command Amsta-Im-Mm), 5781 (Wico-Prestolite Co the Div of Eltra Corp).

What NSN replaces 5305-00-270-7300?

There are 9 known substitutes for 5305-00-270-7300: 6750-00-198-4668, 4730-00-222-0966, 9540-00-261-5159 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 8331805?

Key specifications for 8331805: Thread Direction: RIGHT-HAND; Fastener Length: 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM IN; Head Height: 0.091 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Head Diameter: 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com