PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SRS109298Screw,externally Relieved Body

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5305-00-153-9338 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-153-9338 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-153-9338. Primary manufacturer part number: SRS109298.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Hole Quantity: 1
  • Distance From Largest Bearing Surface of Head to End of Second Diameter: 1.771 INCHES MINIMUM AND 1.791 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
  • First Diameter From Head: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
  • Hole Diameter: 0.062 INCHES NOMINAL IN
  • Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
  • Internal Drive Style: CROSS RECESS TYPE 1
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-153-9338, 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 22 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-153-9338
Primary Part NumberSRS109298
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Hole Quantity1
Distance From Largest Bearing Surface of Head to End of Second Diameter1.771 INCHES MINIMUM AND 1.791 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
First Diameter From Head0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
Hole Diameter0.062 INCHES NOMINAL IN
Head Height0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
Internal Drive StyleCROSS RECESS TYPE 1
Distance From Largest Bearing Surface of Head to End of First Diameter0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM IN
Material Document and ClassificationPWA998,FSCM 77445 MFR REF SINGLE MATERIAL RESPONSE OVERALL
Second Diameter From Head0.250 INCHES NOMINAL IN
Head Diameter0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
Hole Configuration StyleROUND
Externally Relieved Body Diameter Quantity1
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Thread DirectionRIGHT-HAND
Thread Length0.719 INCHES MINIMUM IN
Hole TypeDRILLED
Head StyleFILLISTER
Thread Quantity Per Inch20
MaterialSTEEL OVERALL
Fastener Length2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
Thread Class3A A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
3110-00-100-0338 INTERCHANGEABLE
Cup,tapered Roller Bearing
5305-01-311-6030109298 INTERCHANGEABLE
Screw,machine
Triumph Engine Control Systems Llc
5930-01-709-00482HMC4-51H22417700 INTERCHANGEABLE
Switch,push
Staco Systems, Inc. Dba Staco Systems Div Dba Staco Systems
5920-01-713-3696109298 INTERCHANGEABLE
Fuse,cartridge
Fluke Biomedical Dba Syncor Radiation Mgt Llc
Cross-Reference Index
Part NumberManufacturer
109298 Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
SRS109298 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
3110-00-100-0338INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
5305-01-311-6030INTERCHANGEABLE
SCREW,MACHINE
109298
5930-01-709-0048INTERCHANGEABLE
SWITCH,PUSH
2HMC4-51H22417700
5920-01-713-3696INTERCHANGEABLE
FUSE,CARTRIDGE
109298

Frequently Asked Questions

What is NSN 5305-00-153-9338?

NSN 5305-00-153-9338 is a Screw,externally Relieved Body, 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 5305-00-153-9338?

NSN 5305-00-153-9338 has 2 cross-referenced part numbers: 109298 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), SRS109298 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5305-00-153-9338?

There are 4 known substitutes for 5305-00-153-9338: 3110-00-100-0338, 5305-01-311-6030, 5930-01-709-0048 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SRS109298?

Key specifications for SRS109298: Hole Quantity: 1; Distance From Largest Bearing Surface of Head to End of Second Diameter: 1.771 INCHES MINIMUM AND 1.791 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.250 INCHES IN; First Diameter From Head: 0.180 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN. 22 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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