PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70643Washer,shouldered

Aerocontrolex Group, Inc. Div Talley Actuators · NSN 5310-00-498-4999 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-498-4999 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-498-4999. Primary manufacturer part number: 70643.
Features
  • Washer,shouldered — FSC 5310
  • Outside Diameter: 0.750 INCHES NOMINAL IN
  • Style Designator: SHOULDERED
  • Surface Treatment: PASSIVATE OVERALL
  • Material: STEEL COMP 303 OVERALL
  • Surface Treatment Document and Classification: MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material Document and Classification: QQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Shoulder Height: 0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 303 Overall construction
General Description

The Washer,shouldered, cataloged under National Stock Number 5310-00-498-4999, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aerocontrolex Group, Inc. Div Talley Actuators. Government technical data includes 10 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
NSN5310-00-498-4999
Primary Part Number70643
Item NameWasher,shouldered
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAerocontrolex Group, Inc. Div Talley Actuators
StatusACTIVE
Outside Diameter0.750 INCHES NOMINAL IN
Style DesignatorSHOULDERED
Surface TreatmentPASSIVATE OVERALL
MaterialSTEEL COMP 303 OVERALL
Surface Treatment Document and ClassificationMIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
Material Document and ClassificationQQ-S-764 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Shoulder Height0.007 INCHES MINIMUM AND 0.013 INCHES MAXIMUM IN
Shoulder Diameter0.469 INCHES NOMINAL IN
Hole Diameter0.378 INCHES MINIMUM AND 0.379 INCHES MAXIMUM IN
Material Thickness0.049 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5315-00-359-075232691-3 INTERCHANGEABLE
Pin,straight,headed
Pdi Ground Support Systems, Inc.
4510-00-961-7286P-6000-MK INTERCHANGEABLE
Parts Kit,flush Valve Handle
Zurn Industries Inc
6685-01-131-398570643 INTERCHANGEABLE
Gauge,static Pressu
Alter Harry Co the Div of T E C
4730-01-257-370370643 INTERCHANGEABLE
Elbow,flange to Boss
Wacker Corp
Cross-Reference Index
Part NumberManufacturer
70643 PRIMARY Aerocontrolex Group, Inc. Div Talley Actuators (USA)
Related Parts
5315-00-359-0752INTERCHANGEABLE
PIN,STRAIGHT,HEADED
32691-3
4510-00-961-7286INTERCHANGEABLE
PARTS KIT,FLUSH VALVE HANDLE
P-6000-MK
6685-01-131-3985INTERCHANGEABLE
GAUGE,STATIC PRESSU
70643
4730-01-257-3703INTERCHANGEABLE
ELBOW,FLANGE TO BOSS
70643

Frequently Asked Questions

What is NSN 5310-00-498-4999?

NSN 5310-00-498-4999 is a Washer,shouldered, manufactured by Aerocontrolex Group, Inc. Div Talley Actuators, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-498-4999?

NSN 5310-00-498-4999 has 1 cross-referenced part number: 70643 (Aerocontrolex Group, Inc. Div Talley Actuators).

What NSN replaces 5310-00-498-4999?

There are 4 known substitutes for 5310-00-498-4999: 5315-00-359-0752, 4510-00-961-7286, 6685-01-131-3985 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 70643?

Key specifications for 70643: Outside Diameter: 0.750 INCHES NOMINAL IN; Style Designator: SHOULDERED; Surface Treatment: PASSIVATE OVERALL; Material: STEEL COMP 303 OVERALL. 10 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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