PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

202037Bolt,externally Relieved Body

Howmet Global Fastening Systems Inc Div Torrance Operations · NSN 5306-00-207-5167 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-207-5167 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-207-5167. Primary manufacturer part number: 202037.
Features
  • Bolt,externally Relieved Body — FSC 5306
  • Thread Quantity Per Inch: 28
  • Head Style: DOUBLE HEXAGON EXTENDED WASHER
  • Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
  • Material Document and Classification: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Thread Direction: RIGHT-HAND
  • Thread Length: 0.615 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
  • Nominal Thread Diameter: 0.250 INCHES IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-207-5167, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Howmet Global Fastening Systems Inc Div Torrance Operations. Government technical data includes 18 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-207-5167
Primary Part Number202037
Item NameBolt,externally Relieved Body
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerHowmet Global Fastening Systems Inc Div Torrance Operations
StatusACTIVE
Thread Quantity Per Inch28
Head StyleDOUBLE HEXAGON EXTENDED WASHER
Extended Washer Thickness0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Material Document and ClassificationAMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Thread DirectionRIGHT-HAND
Thread Length0.615 INCHES MINIMUM AND 0.690 INCHES MAXIMUM IN
Nominal Thread Diameter0.250 INCHES IN
Extended Washer Diameter0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN
Fastener Length0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Thread Series DesignatorUNF
Hardness Rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
Distance From Largest Bearing Surface of Head to End of First Diameter0.065 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN
Width Between Flats0.300 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
First Diameter From Head0.218 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Head Height0.272 INCHES MINIMUM AND 0.292 INCHES MAXIMUM IN
Externally Relieved Body Diameter Quantity1
Nonstandard Thread Pitch Diameter+0.2213 TO 0.2238 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-192-9287201394-9 INTERCHANGEABLE
Cover,electrical Connector
Viking Technologies, Ltd.
5325-00-351-5220202037 INTERCHANGEABLE
Ring,retaining
Kidde-Fenwal, Llc
6515-01-549-7495202037 INTERCHANGEABLE
Probe,temperature Monitoring
Tyco Healthcare Group Lp Dba Covidien Div Valleylab
Cross-Reference Index
Part NumberManufacturer
202037 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
202037 PRIMARY Howmet Global Fastening Systems Inc Div Torrance Operations (USA)
Related Parts
5935-00-192-9287INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
201394-9
5325-00-351-5220INTERCHANGEABLE
RING,RETAINING
202037
6515-01-549-7495INTERCHANGEABLE
PROBE,TEMPERATURE MONITORING
202037

Frequently Asked Questions

What is NSN 5306-00-207-5167?

NSN 5306-00-207-5167 is a Bolt,externally Relieved Body, manufactured by Howmet Global Fastening Systems Inc Div Torrance Operations, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-207-5167?

NSN 5306-00-207-5167 has 2 cross-referenced part numbers: 202037 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 202037 (Howmet Global Fastening Systems Inc Div Torrance Operations).

What NSN replaces 5306-00-207-5167?

There are 3 known substitutes for 5306-00-207-5167: 5935-00-192-9287, 5325-00-351-5220, 6515-01-549-7495. Verify interchangeability with system specifications before substitution.

What are the specifications of 202037?

Key specifications for 202037: Thread Quantity Per Inch: 28; Head Style: DOUBLE HEXAGON EXTENDED WASHER; Extended Washer Thickness: 0.060 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN; Material Document and Classification: AMS 5616 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 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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