PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HS8-3/8Washer,lock

Flowserve Corp Dba Automax Actuators Div Flowserve Us Company · NSN 5310-01-315-3803 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-315-3803 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-315-3803. Primary manufacturer part number: HS8-3/8.
Features
  • Washer,lock — FSC 5310
  • Style Designator: SPLIT HELICAL-RIGHT HAND
  • Material: STEEL OVERALL
  • 6 verified cross-references
  • Primary manufacturer: Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
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 5310-01-315-3803, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Flowserve Corp Dba Automax Actuators Div Flowserve Us Company. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-315-3803
Primary Part NumberHS8-3/8
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFlowserve Corp Dba Automax Actuators Div Flowserve Us Company
StatusACTIVE
Style DesignatorSPLIT HELICAL-RIGHT HAND
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5310-00-004-5033MS35338-46 INTERCHANGEABLE
Washer,lock
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-00-637-9541019-00004-42 INTERCHANGEABLE
Washer,lock
Kovatch Corp.
5310-00-722-5658 INTERCHANGEABLE
Washer,lock
5310-01-130-90656-1-5866-17 INTERCHANGEABLE
Washer,lock
W1d1 Natick Soldier Center Dba Us Army Ccdc Soldier Center Div Combat Capabilities Development Command - Soldier Center
5310-01-334-4710 INTERCHANGEABLE
Washer,lock
5310-01-406-700501-435-0138-5 REV D ITEM 108 INTERCHANGEABLE
Washer,lock
Flowserve Corp Dba Automax Actuators Div Flowserve Us Company
Cross-Reference Index
Part NumberManufacturer
HS1-3/8 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
01-435-0085-5PC100,115,126 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
5310PL0552942 Jednolity Indeks Materialowy - Uniform Material Index (POL)
01-435-0085-5 PC100 Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
MS-35338-46 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
HS8-3/8 PRIMARY Flowserve Corp Dba Automax Actuators Div Flowserve Us Company (USA)
Related Parts
5310-00-004-5033INTERCHANGEABLE
WASHER,LOCK
MS35338-46
5310-00-637-9541INTERCHANGEABLE
WASHER,LOCK
019-00004-42
5310-00-722-5658INTERCHANGEABLE
WASHER,LOCK
5310-01-130-9065INTERCHANGEABLE
WASHER,LOCK
6-1-5866-17
5310-01-334-4710INTERCHANGEABLE
WASHER,LOCK
5310-01-406-7005INTERCHANGEABLE
WASHER,LOCK
01-435-0138-5 REV D ITEM 108

Frequently Asked Questions

What is NSN 5310-01-315-3803?

NSN 5310-01-315-3803 is a Washer,lock, manufactured by Flowserve Corp Dba Automax Actuators Div Flowserve Us Company, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-315-3803?

NSN 5310-01-315-3803 has 6 cross-referenced part numbers: HS1-3/8 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 01-435-0085-5PC100,115,126 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), 5310PL0552942 (Jednolity Indeks Materialowy - Uniform Material Index), 01-435-0085-5 PC100 (Flowserve Corp Dba Automax Actuators Div Flowserve Us Company), MS-35338-46 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5310-01-315-3803?

There are 6 known substitutes for 5310-01-315-3803: 5310-00-004-5033, 5310-00-637-9541, 5310-00-722-5658 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of HS8-3/8?

Key specifications for HS8-3/8: Part Name Assigned by Controlling Agency: WASHER,LOCK; Style Designator: SPLIT HELICAL-RIGHT HAND; Special Features: SIZE 0.375 INCH IN; Material: STEEL OVERALL. 4 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com