PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS9177-02Screw,machine

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5305-00-494-2052 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-494-2052 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-494-2052. Primary manufacturer part number: MS9177-02.
Features
  • Screw,machine — FSC 5305
  • Thread Class: 2A A
  • Head Height: 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
  • Screw Material: IRON ALLOY 660
  • Screw Material Document and Classification: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
  • Thread Direction: RIGHT-HAND
  • Head Style: DOUBLE HEXAGON EXTENDED WASHER
  • Extended Washer Thickness: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-494-2052, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-494-2052
Primary Part NumberMS9177-02
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Thread Class2A A
Head Height0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN
Screw MaterialIRON ALLOY 660
Screw Material Document and ClassificationAMS 5735 ASSN STD SINGLE MATERIAL RESPONSE
Thread DirectionRIGHT-HAND
Head StyleDOUBLE HEXAGON EXTENDED WASHER
Extended Washer Thickness0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Thread Length0.190 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Nominal Thread Diameter0.138 INCHES IN
Thread Quantity Per Inch40
Hardness Rating247.0 BRINELL HULTGREN MINIMUM AND 341.0 BRINELL HULTGREN MAXIMUM
Width Between Flats0.181 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN
Extended Washer Diameter0.260 INCHES MINIMUM AND 0.280 INCHES MAXIMUM IN
Fastener Length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5935-00-246-2383 INTERCHANGEABLE
Plug,telephone
5935-00-642-0626 INTERCHANGEABLE
Plug,telephone
5935-00-665-5125 INTERCHANGEABLE
Jack,telephone
5999-01-134-1357 INTERCHANGEABLE
Connector-Switch
5999-01-333-3149 INTERCHANGEABLE
Connector-Switch
Cross-Reference Index
Part NumberManufacturer
MS9177-02 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-DTL-9177/2 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-C-9177 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5935-00-246-2383INTERCHANGEABLE
PLUG,TELEPHONE
5935-00-642-0626INTERCHANGEABLE
PLUG,TELEPHONE
5935-00-665-5125INTERCHANGEABLE
JACK,TELEPHONE
5999-01-134-1357INTERCHANGEABLE
CONNECTOR-SWITCH
5999-01-333-3149INTERCHANGEABLE
CONNECTOR-SWITCH

Frequently Asked Questions

What is NSN 5305-00-494-2052?

NSN 5305-00-494-2052 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-494-2052?

NSN 5305-00-494-2052 has 3 cross-referenced part numbers: MS9177-02 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-DTL-9177/2 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-C-9177 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5305-00-494-2052?

There are 5 known substitutes for 5305-00-494-2052: 5935-00-246-2383, 5935-00-642-0626, 5935-00-665-5125 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS9177-02?

Key specifications for MS9177-02: Thread Class: 2A A; Head Height: 0.220 INCHES MINIMUM AND 0.240 INCHES MAXIMUM IN; Screw Material: IRON ALLOY 660; Screw Material Document and Classification: AMS 5735 ASSN STD SINGLE MATERIAL RESPONSE. 15 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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