PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

37003-EBolt,shoulder

Budd Co the · NSN 5306-00-377-5591 · FSC 5306 · No Item Name Available
Verified by PartsTable
NSN 5306-00-377-5591 — this item is cataloged by the U.S. Government under National Stock Number 5306-00-377-5591. Primary manufacturer part number: 37003-E.
Features
  • Bolt,shoulder — FSC 5306
  • Thread Series Designator: UNF
  • Thread Direction: RIGHT-HAND
  • Shoulder Length: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM FIRST SHOULDER IN
  • Shoulder Shape: ROUND FIRST SHOULDER
  • Hardness Rating: 196.0 BRINELL STANDARD MINIMUM AND 228.0 BRINELL STANDARD MAXIMUM OVERALL
  • Shoulder Diameter: 0.8735 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM FIRST SHOULDER IN
  • Material: STEEL OVERALL
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 5306-00-377-5591, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Budd Co the. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5306-00-377-5591
Primary Part Number37003-E
Item NameBolt,shoulder
FSC / FSG5306 / 53 — No Item Name Available
ManufacturerBudd Co the
StatusACTIVE
Thread Series DesignatorUNF
Thread DirectionRIGHT-HAND
Shoulder Length0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM FIRST SHOULDER IN
Shoulder ShapeROUND FIRST SHOULDER
Hardness Rating196.0 BRINELL STANDARD MINIMUM AND 228.0 BRINELL STANDARD MAXIMUM OVERALL
Shoulder Diameter0.8735 INCHES MINIMUM AND 0.8750 INCHES MAXIMUM FIRST SHOULDER IN
MaterialSTEEL OVERALL
Nominal Thread Diameter0.750 INCHES IN
Nonstandard Thread Pitch Diameter+0.7044 TO 0.7084 INCHES IN
Thread Length1.031 INCHES MINIMUM IN
Thread Quantity Per Inch16
Fastener Length1.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5340-01-434-1346 (37003)
HAZMATNo
Verified Substitutes 8
5340-01-434-134637003 SUCCESSOR
Plate,retaining,seal
Bae Systems Land & Armaments L.p.
1680-00-723-626637003 INTERCHANGEABLE
Shaft,pinion
Hydro-Aire Aerospace Corp
5940-00-983-6044 INTERCHANGEABLE
Terminal Board
4720-00-990-167926413 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4730-01-115-001932248 INTERCHANGEABLE
Clamp,hose
Gates Corporation
3120-01-118-9199 INTERCHANGEABLE
Bushing,sleeve
6510-01-380-647132-248 INTERCHANGEABLE
Gauze,absorbent
Deroyal Industries Inc
7520-01-411-405937003 INTERCHANGEABLE
Marker,tube Type
Sanford Corp
Cross-Reference Index
Part NumberManufacturer
32248 Allianz Sweeper Company (USA)
37003 Budd Co the (USA)
37003-E PRIMARY Budd Co the (USA)
S10X32248 Allianz Sweeper Company (USA)
37003 Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products (USA)
Related Parts
SUCCESSOR 5340-01-434-1346 Plate,retaining,seal · 37003
1680-00-723-6266INTERCHANGEABLE
SHAFT,PINION
37003
5940-00-983-6044INTERCHANGEABLE
TERMINAL BOARD
4720-00-990-1679INTERCHANGEABLE
HOSE,PREFORMED
26413
4730-01-115-0019INTERCHANGEABLE
CLAMP,HOSE
32248
3120-01-118-9199INTERCHANGEABLE
BUSHING,SLEEVE
6510-01-380-6471INTERCHANGEABLE
GAUZE,ABSORBENT
32-248
7520-01-411-4059INTERCHANGEABLE
MARKER,TUBE TYPE
37003

Frequently Asked Questions

What is NSN 5306-00-377-5591?

NSN 5306-00-377-5591 is a Bolt,shoulder, manufactured by Budd Co the, classified under FSC 5306 (No Item Name Available). Status: active.

What are the part numbers for NSN 5306-00-377-5591?

NSN 5306-00-377-5591 has 5 cross-referenced part numbers: 32248 (Allianz Sweeper Company), 37003 (Budd Co the), 37003-E (Budd Co the), S10X32248 (Allianz Sweeper Company), 37003 (Alliedsignal Inc Alliedsignal Braking Systems-Wheel End Products).

What NSN replaces 5306-00-377-5591?

There are 8 known substitutes for 5306-00-377-5591: 5340-01-434-1346, 1680-00-723-6266, 5940-00-983-6044 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 37003-E?

Key specifications for 37003-E: Thread Series Designator: UNF; Thread Direction: RIGHT-HAND; Shoulder Length: 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM FIRST SHOULDER IN; Shoulder Shape: ROUND FIRST SHOULDER. 12 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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