PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5710-8-20PWasher,flat

Seastrom Manufacturing Co Inc · NSN 5310-01-484-4039 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-484-4039 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-484-4039. Primary manufacturer part number: 5710-8-20P.
Features
  • Washer,flat — FSC 5310
  • 3 verified cross-references
  • Primary manufacturer: Seastrom Manufacturing Co Inc
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-484-4039, 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. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameWasher,flat
FSC / FSG5310 — No Item Name Available (FSG 53)
ManufacturersSeastrom Manufacturing Co Inc (CAGE 86928); Hollingsead International, Llc (CAGE 30528)
Technical Specifications
ParameterValue
NSN5310-01-484-4039
Primary Part Number5710-8-20P
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-00-010-3362103362 INTERCHANGEABLE
Pin,cotter
Chrysler Realty Company Llc Dba Daimler Chrysler
3120-00-051-36824351 INTERCHANGEABLE
Bearing,washer,thrust
Weil Pump Co Inc
6625-00-089-479504351 INTERCHANGEABLE
Ammeter
Simpson Electric Company, Inc.
5970-00-144-8190 INTERCHANGEABLE
Insulator,disk
3110-00-158-826443511 INTERCHANGEABLE
Bearing,ball,annular
Fag Bearings Corporation
5940-00-215-5959 INTERCHANGEABLE
Terminal Box
3455-00-228-5218171621 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
6105-00-239-9928B60018 INTERCHANGEABLE
Winding,motor Field
Aljers Llc
6105-00-246-7111D37010PC28 INTERCHANGEABLE
Winding,motor Field
Electric Boat Corporation Div General Dynamics Electric Boat
4310-00-288-139143511 INTERCHANGEABLE
Pin,piston
Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions
Cross-Reference Index
Part NumberManufacturer
5710-8-20P PRIMARY Seastrom Manufacturing Co Inc (USA)
4351-1 Hollingsead International, Llc (USA)
4351 Hollingsead International, Llc (USA)
Related Parts
5315-00-010-3362INTERCHANGEABLE
PIN,COTTER
103362
3120-00-051-3682INTERCHANGEABLE
BEARING,WASHER,THRUST
4351
6625-00-089-4795INTERCHANGEABLE
AMMETER
04351
5970-00-144-8190INTERCHANGEABLE
INSULATOR,DISK
3110-00-158-8264INTERCHANGEABLE
BEARING,BALL,ANNULAR
43511
5940-00-215-5959INTERCHANGEABLE
TERMINAL BOX
3455-00-228-5218INTERCHANGEABLE
CUTTER,MILLING,END
171621
6105-00-239-9928INTERCHANGEABLE
WINDING,MOTOR FIELD
B60018
6105-00-246-7111INTERCHANGEABLE
WINDING,MOTOR FIELD
D37010PC28
4310-00-288-1391INTERCHANGEABLE
PIN,PISTON
43511
5996-00-428-3929INTERCHANGEABLE
AMPLIFIER,DIRECT CURRENT
697877-02
5805-00-708-2202INTERCHANGEABLE
SWITCHBOARD,TELEPHONE,MANUAL

Frequently Asked Questions

What is NSN 5310-01-484-4039?

NSN 5310-01-484-4039 is a Washer,flat, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-484-4039?

NSN 5310-01-484-4039 has 3 cross-referenced part numbers: 5710-8-20P (Seastrom Manufacturing Co Inc), 4351-1 (Hollingsead International, Llc), 4351 (Hollingsead International, Llc).

What NSN replaces 5310-01-484-4039?

There are 12 known substitutes for 5310-01-484-4039: 5315-00-010-3362, 3120-00-051-3682, 6625-00-089-4795 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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