PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70772Screw,assembled Washer

Cummins Inc. · NSN 5305-00-477-6769 · FSC 5305 · No Item Name Available
Verified by PartsTable
NSN 5305-00-477-6769 — this item is cataloged by the U.S. Government under National Stock Number 5305-00-477-6769. Primary manufacturer part number: 70772.
Features
  • Screw,assembled Washer — FSC 5305
  • Primary Washer Style: SPLIT HELICAL RING
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC)
  • Material: STEEL OVERALL
  • Head Height: 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
  • Head Diameter: 0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
  • Thread Quantity Per Inch: 20
  • Thread Length: 0.374 INCHES MINIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Screw,assembled Washer, cataloged under National Stock Number 5305-00-477-6769, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Cummins Inc.. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5305-00-477-6769
Primary Part Number70772
Item NameScrew,assembled Washer
FSC / FSG5305 / 53 — No Item Name Available
ManufacturerCummins Inc.
StatusACTIVE
Primary Washer StyleSPLIT HELICAL RING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC)
MaterialSTEEL OVERALL
Head Height0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN
Head Diameter0.389 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
Thread Quantity Per Inch20
Thread Length0.374 INCHES MINIMUM IN
Thread Class2A A
Primary Washer Material Thickness0.063 INCHES NOMINAL IN
Nominal Thread Diameter0.250 INCHES IN
Primary Washer Outside Diameter0.384 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Thread DirectionRIGHT-HAND
Internal Drive StyleSLOT
Fastener Length0.500 INCHES NOMINAL IN
Washer Quantity1
Head StyleFILLISTER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5330-00-582-298932899 INTERCHANGEABLE
Gasket
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
Cross-Reference Index
Part NumberManufacturer
70772 Cummins Ltd (GBR)
70772 PRIMARY Cummins Inc. (USA)
Related Parts
5330-00-582-2989INTERCHANGEABLE
GASKET
32899

Frequently Asked Questions

What is NSN 5305-00-477-6769?

NSN 5305-00-477-6769 is a Screw,assembled Washer, manufactured by Cummins Inc., classified under FSC 5305 (No Item Name Available). Status: active.

What are the part numbers for NSN 5305-00-477-6769?

NSN 5305-00-477-6769 has 2 cross-referenced part numbers: 70772 (Cummins Ltd), 70772 (Cummins Inc.).

What NSN replaces 5305-00-477-6769?

There is 1 known substitute for 5305-00-477-6769: 5330-00-582-2989. Verify interchangeability with system specifications before substitution.

What are the specifications of 70772?

Key specifications for 70772: Primary Washer Style: SPLIT HELICAL RING; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material: STEEL OVERALL; Head Height: 0.155 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN. 16 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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