PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

348161Bolt,externally Relieved Body

Lockheed Martin Corp · NSN 5306-00-207-4980 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-207-4980 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-207-4980. Primary manufacturer part number: 348161.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Head Height: 0.250 INCHES NOMINAL IN
  • Distance From Largest Bearing Surface of Head to End of Third Diameter: 1.560 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
  • Distance From Largest Bearing Surface of Head to End of First Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • First Diameter From Head: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
  • Head Style: ROUND W/WRENCH FLATS
  • Surface Treatment Document and Classification: 491-98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL
  • Thread Quantity Per Inch: 20
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp E4340 Overall construction
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-207-4980, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lockheed Martin Corp. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-207-4980
Primary Part Number348161
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Head Height0.250 INCHES NOMINAL IN
Distance From Largest Bearing Surface of Head to End of Third Diameter1.560 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN
Distance From Largest Bearing Surface of Head to End of First Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
First Diameter From Head0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
Head StyleROUND W/WRENCH FLATS
Surface Treatment Document and Classification491-98897 MFR REF SINGLE TREATMENT RESPONSE OVERALL
Thread Quantity Per Inch20
Thread Class3A A
Fastener Length1.980 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
Head Diameter1.125 INCHES NOMINAL IN
Width Between Flats1.000 INCHES NOMINAL IN
Third Diameter From Head0.422 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
Nominal Thread Diameter0.500 INCHES IN
Material Document and ClassificationMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Thread Length0.400 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN
MaterialSTEEL COMP E4340 OVERALL
Second Diameter From Head0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Surface TreatmentCADMIUM OVERALL
Thread DirectionRIGHT-HAND
Minimum Tensile Strength180000 POUNDS PER SQUARE INCH LBS
Thread Series DesignatorUNF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5342-00-611-4180348161 INTERCHANGEABLE
Bracket
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
1680-01-137-276834816-1 INTERCHANGEABLE
Cam,limit Switch
Honeywell International Inc. Div Aerospace - Torrance
2040-01-513-959334816-1 INTERCHANGEABLE
Pad Eye
United States Department of the Navy Dba Naval Surface Warfare Center Panama City
Cross-Reference Index
Part NumberManufacturer
348161 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5342-00-611-4180INTERCHANGEABLE
BRACKET
348161
1680-01-137-2768INTERCHANGEABLE
CAM,LIMIT SWITCH
34816-1
2040-01-513-9593INTERCHANGEABLE
PAD EYE
34816-1

Frequently Asked Questions

What is NSN 5306-00-207-4980?

NSN 5306-00-207-4980 is a Bolt,externally Relieved Body, manufactured by Lockheed Martin Corp, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-207-4980?

NSN 5306-00-207-4980 has 1 cross-referenced part number: 348161 (Lockheed Martin Corp).

What NSN replaces 5306-00-207-4980?

There are 3 known substitutes for 5306-00-207-4980: 5342-00-611-4180, 1680-01-137-2768, 2040-01-513-9593. Verify interchangeability with system specifications before substitution.

What are the specifications of 348161?

Key specifications for 348161: Head Height: 0.250 INCHES NOMINAL IN; Distance From Largest Bearing Surface of Head to End of Third Diameter: 1.560 INCHES MINIMUM AND 1.590 INCHES MAXIMUM IN; Distance From Largest Bearing Surface of Head to End of First Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; First Diameter From Head: 0.730 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN. 21 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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