PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2714-7Washer,lock

Seastrom Manufacturing Co Inc · NSN 5310-01-371-7180 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-371-7180 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-371-7180. Primary manufacturer part number: 2714-7.
Features
  • Washer,lock — FSC 5310
  • Surface Treatment: ZINC OVERALL
  • Outside Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
  • Style Designator: FLAT INTERNAL TEETH
  • Hole Diameter: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
  • Material: STEEL OVERALL
  • Material Thickness: 0.012 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-371-7180, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-371-7180
Primary Part Number2714-7
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSeastrom Manufacturing Co Inc
StatusACTIVE
Surface TreatmentZINC OVERALL
Outside Diameter0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN
Style DesignatorFLAT INTERNAL TEETH
Hole Diameter0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN
MaterialSTEEL OVERALL
Material Thickness0.012 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5315-00-972-8811 INTERCHANGEABLE
Pin,fan
5985-01-182-111927147 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
4320-01-295-102027147 INTERCHANGEABLE
Seal Assembly,shaft,spring Loade
Pulsafeeder Inc a Unit of Idex Div a Unit of Idex Inc
6110-01-467-632827147 INTERCHANGEABLE
Starter,motor
Ward Leonard Ct Llc
6145-01-680-315227147 INTERCHANGEABLE
Cable,special Purpose,electrical
Marine and Petroleum Mfg Inc
Cross-Reference Index
Part NumberManufacturer
2714-7 PRIMARY Seastrom Manufacturing Co Inc (USA)
SW33556-7 Drs Sustainment Systems Inc (USA)
Related Parts
5315-00-972-8811INTERCHANGEABLE
PIN,FAN
5985-01-182-1119INTERCHANGEABLE
COUPLER,DIRECTIONAL
27147
4320-01-295-1020INTERCHANGEABLE
SEAL ASSEMBLY,SHAFT,SPRING LOADE
27147
6110-01-467-6328INTERCHANGEABLE
STARTER,MOTOR
27147
6145-01-680-3152INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
27147

Frequently Asked Questions

What is NSN 5310-01-371-7180?

NSN 5310-01-371-7180 is a Washer,lock, manufactured by Seastrom Manufacturing Co Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-371-7180?

NSN 5310-01-371-7180 has 2 cross-referenced part numbers: 2714-7 (Seastrom Manufacturing Co Inc), SW33556-7 (Drs Sustainment Systems Inc).

What NSN replaces 5310-01-371-7180?

There are 5 known substitutes for 5310-01-371-7180: 5315-00-972-8811, 5985-01-182-1119, 4320-01-295-1020 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2714-7?

Key specifications for 2714-7: Surface Treatment: ZINC OVERALL; Outside Diameter: 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM IN; Style Designator: FLAT INTERNAL TEETH; Hole Diameter: 0.295 INCHES MINIMUM AND 0.305 INCHES MAXIMUM IN. 6 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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