PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

76060Screw,externally Relieved Body

Lockheed Martin Corp · NSN 5305-00-207-8185 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-207-8185 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-207-8185. Primary manufacturer part number: 76060.
Features
  • Screw,externally Relieved Body — FSC 5305
  • Nominal Thread Diameter: 0.250 INCHES IN
  • Fastener Length: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
  • Head Style: FLAT CHAMFER
  • Head Height: 0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
  • Head Diameter: 0.364 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
  • Thread Length: 0.125 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 8630 Overall construction
General Description

The Screw,externally Relieved Body, cataloged under National Stock Number 5305-00-207-8185, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5305-00-207-8185
Primary Part Number76060
Item NameScrew,externally Relieved Body
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusCANCELLED
Nominal Thread Diameter0.250 INCHES IN
Fastener Length0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN
Head StyleFLAT CHAMFER
Head Height0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
Head Diameter0.364 INCHES MINIMUM AND 0.368 INCHES MAXIMUM IN
Thread Length0.125 INCHES NOMINAL IN
Thread Series DesignatorUNF
Minimum Tensile Strength150000 POUNDS PER SQUARE INCH LBS
Material Document and ClassificationMIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Quantity Per Inch28
Thread Class3A A
MaterialSTEEL COMP 8630 OVERALL
Externally Relieved Body Diameter Quantity1
Hardness Rating34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL
First Diameter From Head0.186 INCHES MINIMUM AND 0.196 INCHES MAXIMUM IN
Internal Drive StyleSLOT
Thread DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5330-00-483-060376-060 INTERCHANGEABLE
Gasket
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
5935-00-581-487526-4401-16P1004 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corp Div Amphenol Aerospace Operations
6550-00-591-76676060 INTERCHANGEABLE
Test Kit,multidrug,controlled Su
Becton Dickinson and Co Ivers Lee Div Becton Dickinson Public Safety
5998-01-262-2117 INTERCHANGEABLE
Circuit Card Assembly
Cross-Reference Index
Part NumberManufacturer
760601 Lockheed Martin Corp (USA)
76060 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5330-00-483-0603INTERCHANGEABLE
GASKET
76-060
5935-00-581-4875INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
26-4401-16P1004
6550-00-591-7667INTERCHANGEABLE
TEST KIT,MULTIDRUG,CONTROLLED SU
6060
5998-01-262-2117INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 5305-00-207-8185?

NSN 5305-00-207-8185 is a Screw,externally Relieved Body, manufactured by Lockheed Martin Corp, classified under FSC 5305 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5305-00-207-8185?

NSN 5305-00-207-8185 has 2 cross-referenced part numbers: 760601 (Lockheed Martin Corp), 76060 (Lockheed Martin Corp).

What NSN replaces 5305-00-207-8185?

There are 4 known substitutes for 5305-00-207-8185: 5330-00-483-0603, 5935-00-581-4875, 6550-00-591-7667 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 76060?

Key specifications for 76060: Nominal Thread Diameter: 0.250 INCHES IN; Fastener Length: 0.275 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN; Head Style: FLAT CHAMFER; Head Height: 0.347 INCHES MINIMUM AND 0.357 INCHES MAXIMUM IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5305-00-207-8185 still in active supply?

NSN 5305-00-207-8185 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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