PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

ST3M507-5-7Bolt,shoulder

The Boeing Company Div Defense · NSN 5306-01-046-0512 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-01-046-0512 — this item is cataloged by the U.S. Government under National Stock Number 5306-01-046-0512. Primary manufacturer part number: ST3M507-5-7.
Features
  • Bolt,shoulder — FSC 5306
  • Head Style: DOUBLE HEXAGON
  • Thread Length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
  • Fastener Length: 0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
  • Shoulder Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
  • Shoulder Length: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
  • Thread Quantity Per Inch: 24
  • Shoulder Shape: ROUND FIRST SHOULDER
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Bolt,shoulder, cataloged under National Stock Number 5306-01-046-0512, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 16 commercial cross-references from 14 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-01-046-0512
Primary Part NumberST3M507-5-7
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
Head StyleDOUBLE HEXAGON
Thread Length0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
Fastener Length0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
Shoulder Diameter0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder Length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
Thread Quantity Per Inch24
Shoulder ShapeROUND FIRST SHOULDER
Specification/standard Data76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Thread Series DesignatorUNIFIED NATIONAL JOINT FINE (UNJF)
MaterialSTEEL OVERALL
Head Height0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
Nominal Thread Diameter0.312 INCHES IN
Thread Class3A A
Thread DirectionRIGHT-HAND
Width Between Flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5325-01-547-9093119-2157 INTERCHANGEABLE
Ring,retaining
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
BM17019-5-7Y Huck International, Inc (USA)
HP5507-5-7 Heartland Precision Fasteners Inc (USA)
MB89-5-7 Hi-Shear Corporation (USA)
VS3038-5-7 Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
109451-5-7 Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
S11-1062-5-7 Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA)
VAL23608-5-7 Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA)
PBF1366-5-7 Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA)
MB89-5-7 Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN)
11921-5-7 Reid Products Inc. Dba Reid Products Inc (USA)
MA5507-5-7 Abounding Security Inc Div of Maa Corp (USA)
109453-5-7Y Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA)
ST3M507-5-7 PRIMARY The Boeing Company Div Defense (USA)
109451-5-7 Sps Technologies, Llc Dba PB Fasteners (USA)
VS3038-5-7 Howmet Global Fastening Systems Inc (USA)
109453-5-7Y Sps Technologies, Llc Dba PB Fasteners (USA)
Related Parts
5325-01-547-9093INTERCHANGEABLE
RING,RETAINING
119-2157

Frequently Asked Questions

What is NSN 5306-01-046-0512?

NSN 5306-01-046-0512 is a Bolt,shoulder, manufactured by The Boeing Company Div Defense, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-01-046-0512?

NSN 5306-01-046-0512 has 16 cross-referenced part numbers: BM17019-5-7Y (Huck International, Inc), HP5507-5-7 (Heartland Precision Fasteners Inc), MB89-5-7 (Hi-Shear Corporation), VS3038-5-7 (Howmet Global Fastening Systems Inc Div Torrance Operations), 109451-5-7 (Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana) and 11 more.

What NSN replaces 5306-01-046-0512?

There is 1 known substitute for 5306-01-046-0512: 5325-01-547-9093. Verify interchangeability with system specifications before substitution.

What are the specifications of ST3M507-5-7?

Key specifications for ST3M507-5-7: Head Style: DOUBLE HEXAGON; Thread Length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN; Fastener Length: 0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN; Shoulder Diameter: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN. 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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