PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17602Washer,lock

Naval Electronic Systems Security Engineering Center · NSN 5310-01-117-5621 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-117-5621 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-117-5621. Primary manufacturer part number: 17602.
Features
  • Washer,lock — FSC 5310
  • Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
  • Outside Diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
  • Material Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • 3 verified cross-references
  • Primary manufacturer: Naval Electronic Systems Security Engineering Center
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Washer,lock, cataloged under National Stock Number 5310-01-117-5621, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Naval Electronic Systems Security Engineering Center. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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
NSN5310-01-117-5621
Primary Part Number17602
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerNaval Electronic Systems Security Engineering Center
StatusACTIVE
Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Hardness Rating35.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM
Outside Diameter0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN
Material Thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
4030-00-352-3644 INTERCHANGEABLE
Wedge
2940-00-558-546417-60-2 INTERCHANGEABLE
Filter,air
Trailmobile Inc Sub of the Pullman Co
5950-00-703-3582 INTERCHANGEABLE
Coil,radio Frequency
5970-01-045-069917602 INTERCHANGEABLE
Insulator,washer
Unitron, Lp Dba Unitron Power Systems, Lp ; Atlas Marine Systems
5305-01-116-998717609-1 INTERCHANGEABLE
Screw,machine
Sypris Electronics, Llc Dba Sypris Electronics Llc
6150-01-180-954217602 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire and Cable Co Wire and Cable Office
5365-01-195-558217602 INTERCHANGEABLE
Plug,machine Thread
Moog Inc. Dba Ampac-Isp Corp
5340-01-395-516417602 INTERCHANGEABLE
Seat,helical Compression Spring
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
17602 Naval Electronic Systems Security Engineering Center (USA)
17609-1 Zf Industrieantriebe Witten Gmbh (DEU)
17602 Wrought Washer Mfg., Inc. (USA)
Related Parts
4030-00-352-3644INTERCHANGEABLE
WEDGE
2940-00-558-5464INTERCHANGEABLE
FILTER,AIR
17-60-2
5950-00-703-3582INTERCHANGEABLE
COIL,RADIO FREQUENCY
5970-01-045-0699INTERCHANGEABLE
INSULATOR,WASHER
17602
5305-01-116-9987INTERCHANGEABLE
SCREW,MACHINE
17609-1
6150-01-180-9542INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
17602
5365-01-195-5582INTERCHANGEABLE
PLUG,MACHINE THREAD
17602
5340-01-395-5164INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
17602

Frequently Asked Questions

What is NSN 5310-01-117-5621?

NSN 5310-01-117-5621 is a Washer,lock, manufactured by Naval Electronic Systems Security Engineering Center, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-117-5621?

NSN 5310-01-117-5621 has 3 cross-referenced part numbers: 17602 (Naval Electronic Systems Security Engineering Center), 17609-1 (Zf Industrieantriebe Witten Gmbh), 17602 (Wrought Washer Mfg., Inc.).

What NSN replaces 5310-01-117-5621?

There are 8 known substitutes for 5310-01-117-5621: 4030-00-352-3644, 2940-00-558-5464, 5950-00-703-3582 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17602?

Key specifications for 17602: Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM; Outside Diameter: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Material Thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN. 5 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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