PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6131SS0440-7Screw,externally Relieved Body

New Haven Mfg Corp Amatom Electronic Hardware Div · NSN 5305-00-433-3739 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-433-3739 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-433-3739. Primary manufacturer part number: 6131SS0440-7.
Features
  • Screw,externally Relieved Body — FSC 5305
  • First Diameter From Head: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
  • Head Diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
  • Material: STEEL COMP 303 OVERALL
  • Externally Relieved Body Diameter Quantity: 1
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Nominal Thread Diameter: 0.112 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-433-3739, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is New Haven Mfg Corp Amatom Electronic Hardware Div. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-433-3739
Primary Part Number6131SS0440-7
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerNew Haven Mfg Corp Amatom Electronic Hardware Div
StatusCANCELLED
First Diameter From Head0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
Head Diameter0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN
MaterialSTEEL COMP 303 OVERALL
Externally Relieved Body Diameter Quantity1
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Nominal Thread Diameter0.112 INCHES IN
Surface TreatmentPASSIVATE OVERALL
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
Surface Treatment Document and ClassificationASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Thread Class2A A
Fastener Length0.703 INCHES MINIMUM AND 0.735 INCHES MAXIMUM IN
Head Height0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
Head StyleKNURLED NO. 1
Thread Quantity Per Inch40
Thread Length0.266 INCHES MINIMUM AND 0.296 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
2930-00-392-50008152B INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5330-00-580-852911907 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
3010-00-821-989050152 INTERCHANGEABLE
Coupling Half,shaft
Waterous Company
1005-00-831-136750152 INTERCHANGEABLE
Pin,hammer Strut
Colt's Manufacturing Company, Llc
4820-00-833-785950152 INTERCHANGEABLE
Disk,valve
Spirax Sarco Inc Dba Spirax Sarco
3110-01-173-3386 INTERCHANGEABLE
Bearing,ball,annular
5920-01-296-0958 INTERCHANGEABLE
Fuseholder,block
Cross-Reference Index
Part NumberManufacturer
6131SS0440-7 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
5015-2 L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
9333C0009-3 Lockheed Corp Lockheed Electronics Co Inc (USA)
6131SS0440 New Haven Mfg Corp Amatom Electronic Hardware Div (USA)
6131SS0440 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
9333C0009-3 Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems (USA)
6131SS0440-7 Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware (USA)
Related Parts
2930-00-392-5000INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8152B
5330-00-580-8529INTERCHANGEABLE
SEAL,PLAIN ENCASED
11907
3010-00-821-9890INTERCHANGEABLE
COUPLING HALF,SHAFT
50152
1005-00-831-1367INTERCHANGEABLE
PIN,HAMMER STRUT
50152
4820-00-833-7859INTERCHANGEABLE
DISK,VALVE
50152
3110-01-173-3386INTERCHANGEABLE
BEARING,BALL,ANNULAR
5920-01-296-0958INTERCHANGEABLE
FUSEHOLDER,BLOCK

Frequently Asked Questions

What is NSN 5305-00-433-3739?

NSN 5305-00-433-3739 is a Screw,externally Relieved Body, manufactured by New Haven Mfg Corp Amatom Electronic Hardware Div, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-433-3739?

NSN 5305-00-433-3739 has 7 cross-referenced part numbers: 6131SS0440-7 (New Haven Mfg Corp Amatom Electronic Hardware Div), 5015-2 (L3harris Technologies, Inc. Div Space and Airborne Systems), 9333C0009-3 (Lockheed Corp Lockheed Electronics Co Inc), 6131SS0440 (New Haven Mfg Corp Amatom Electronic Hardware Div), 6131SS0440 (Carey Manufacturing Co, Inc Dba Amatom Electronic Hardware Div Amatom Electronic Hardware) and 2 more.

What NSN replaces 5305-00-433-3739?

There are 7 known substitutes for 5305-00-433-3739: 2930-00-392-5000, 5330-00-580-8529, 3010-00-821-9890 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 6131SS0440-7?

Key specifications for 6131SS0440-7: First Diameter From Head: 0.073 INCHES MINIMUM AND 0.083 INCHES MAXIMUM IN; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN; Head Diameter: 0.307 INCHES MINIMUM AND 0.317 INCHES MAXIMUM IN; Material: STEEL COMP 303 OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-433-3739 still in active supply?

NSN 5305-00-433-3739 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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