PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

490160Screw,machine

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-941-0088 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-941-0088 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-941-0088. Primary manufacturer part number: 490160.
Features
  • Screw,machine — FSC 5305
  • Head Diameter: 0.332 INCHES NOMINAL IN
  • Nominal Thread Diameter: 0.164 INCHES IN
  • Thread Quantity Per Inch: 32
  • Thread Series Designator: UNJC
  • Head Style: FLAT COUNTERSUNK
  • Countersink Angle: 82.0 DEGREES NOMINAL
  • Thread Class: 3A A
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Screw,machine, cataloged under National Stock Number 5305-00-941-0088, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 15 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-941-0088
Primary Part Number490160
Item NameScrew,machine
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Head Diameter0.332 INCHES NOMINAL IN
Nominal Thread Diameter0.164 INCHES IN
Thread Quantity Per Inch32
Thread Series DesignatorUNJC
Head StyleFLAT COUNTERSUNK
Countersink Angle82.0 DEGREES NOMINAL
Thread Class3A A
Thread DirectionRIGHT-HAND
Screw Material Document and ClassificationAMS 6304 ASSN STD SINGLE MATERIAL RESPONSE
Internal Drive StyleSLOT
Screw Surface TreatmentNICKEL AND CADMIUM
Fastener Length0.322 INCHES NOMINAL IN
Hardness Rating30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM
Thread Length0.322 INCHES MINIMUM IN
Screw MaterialSTEEL COMP 601
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-939-92044901-60 INTERCHANGEABLE
Screw,cap,hexagon Head
Pdi Ground Support Systems, Inc.
4820-01-391-08834.9016.0 INTERCHANGEABLE
Disk,valve
Kaeser Compressors, Inc.
Cross-Reference Index
Part NumberManufacturer
490160 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
5305-00-939-9204INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
4901-60
4820-01-391-0883INTERCHANGEABLE
DISK,VALVE
4.9016.0

Frequently Asked Questions

What is NSN 5305-00-941-0088?

NSN 5305-00-941-0088 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-941-0088?

NSN 5305-00-941-0088 has 1 cross-referenced part number: 490160 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-941-0088?

There are 2 known substitutes for 5305-00-941-0088: 5305-00-939-9204, 4820-01-391-0883. Verify interchangeability with system specifications before substitution.

What are the specifications of 490160?

Key specifications for 490160: Head Diameter: 0.332 INCHES NOMINAL IN; Nominal Thread Diameter: 0.164 INCHES IN; Thread Quantity Per Inch: 32; Thread Series Designator: UNJC. 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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