PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5603-4Washer,shouldered

Seastrom Manufacturing Co Inc · NSN 5310-01-630-5216 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-630-5216 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-630-5216. Primary manufacturer part number: 5603-4.
Features
  • Washer,shouldered — FSC 5310
  • Shoulder Height: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
  • Outside Diameter: 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
  • Shoulder Diameter: 0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
  • Hole Diameter: 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
  • Material: PLASTIC EPOXY OVERALL
  • Style Designator: SHOULDERED
  • 1 verified cross-reference
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Epoxy Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-01-630-5216, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Seastrom Manufacturing Co Inc. Government technical data includes 6 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-630-5216
Primary Part Number5603-4
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Shoulder Height0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN
Outside Diameter0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM IN
Shoulder Diameter0.113 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
Hole Diameter0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM IN
MaterialPLASTIC EPOXY OVERALL
Style DesignatorSHOULDERED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5905-00-107-9009D25K3K5 INTERCHANGEABLE
Resistor,adjustable
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
5120-00-293-2193237 INTERCHANGEABLE
Hammer,hand
C. S. Osborne and Company Dba Cs Osborne & Co
6680-01-517-576455863 ITEM 1 INTERCHANGEABLE
Meter,flow Rate Indicating
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
6130-01-611-193656034 INTERCHANGEABLE
Control,battery Charger
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
5603-4 PRIMARY Seastrom Manufacturing Co Inc (USA)
Related Parts
5905-00-107-9009INTERCHANGEABLE
RESISTOR,ADJUSTABLE
D25K3K5
5120-00-293-2193INTERCHANGEABLE
HAMMER,HAND
237
6680-01-517-5764INTERCHANGEABLE
METER,FLOW RATE INDICATING
55863 ITEM 1
6130-01-611-1936INTERCHANGEABLE
CONTROL,BATTERY CHARGER
56034

Frequently Asked Questions

What is NSN 5310-01-630-5216?

NSN 5310-01-630-5216 is a Washer,shouldered, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-630-5216?

NSN 5310-01-630-5216 has 1 cross-referenced part number: 5603-4 (Seastrom Manufacturing Co Inc).

What NSN replaces 5310-01-630-5216?

There are 4 known substitutes for 5310-01-630-5216: 5905-00-107-9009, 5120-00-293-2193, 6680-01-517-5764 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5603-4?

Key specifications for 5603-4: Shoulder Height: 0.030 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN; Overall Height: 0.050 INCHES MINIMUM AND 0.090 INCHES MAXIMUM IN; Special Features: MATERIAL IS FIBERGLASS; End Item Identification: PRE-AMP (3 CHANNEL);2 CH PRE-AMP LRM AL. 9 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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