PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NL22SPWasher,lock

Fabory Usa Ltd. · NSN 5310-01-577-5909 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-577-5909 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-577-5909. Primary manufacturer part number: NL22SP.
Features
  • Washer,lock — FSC 5310
  • Outside Diameter: 42.0 MILLIMETERS NOMINAL MM
  • Hole Diameter: 23.4 MILLIMETERS NOMINAL MM
  • Hardness Rating: 72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
  • Surface Treatment Document and Classification: ISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Style Designator: TWO PIECE INTERLOCKING
  • Surface Treatment: ZINC OVERALL
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 5310-01-577-5909, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Fabory Usa Ltd.. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-577-5909
Primary Part NumberNL22SP
Item NameWasher,lock
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerFabory Usa Ltd.
StatusACTIVE
Outside Diameter42.0 MILLIMETERS NOMINAL MM
Hole Diameter23.4 MILLIMETERS NOMINAL MM
Hardness Rating72.0 ROCKWELL A MINIMUM AND 77.0 ROCKWELL A MAXIMUM
Surface Treatment Document and ClassificationISO 2081 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Style DesignatorTWO PIECE INTERLOCKING
Surface TreatmentZINC OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5310-01-501-3375 INTERCHANGEABLE
Washer,lock
5310-01-501-7502NL10 INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
5310-01-501-7515 INTERCHANGEABLE
Washer,lock
5310-01-506-2080NL12SP INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
5310-01-528-1442NL8SP INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
5310-01-556-03746434101-25M1 INTERCHANGEABLE
Washer,lock
Bae Systems Land & Armaments L.p.
5310-01-568-3911NL6 INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
5310-01-570-6417 INTERCHANGEABLE
Washer,lock
5310-01-575-3786NL18 INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
5310-01-575-3805NL10SP INTERCHANGEABLE
Washer,lock
Fabory Usa Ltd.
Cross-Reference Index
Part NumberManufacturer
12422608 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
12422608-030 U S Army Tank Automotive Command Amsta-Im-Mm (USA)
NL22SP PRIMARY Fabory Usa Ltd. (USA)
Related Parts
5310-01-501-3375INTERCHANGEABLE
WASHER,LOCK
5310-01-501-7502INTERCHANGEABLE
WASHER,LOCK
NL10
5310-01-501-7515INTERCHANGEABLE
WASHER,LOCK
5310-01-506-2080INTERCHANGEABLE
WASHER,LOCK
NL12SP
5310-01-528-1442INTERCHANGEABLE
WASHER,LOCK
NL8SP
5310-01-556-0374INTERCHANGEABLE
WASHER,LOCK
6434101-25M1
5310-01-568-3911INTERCHANGEABLE
WASHER,LOCK
NL6
5310-01-570-6417INTERCHANGEABLE
WASHER,LOCK
5310-01-575-3786INTERCHANGEABLE
WASHER,LOCK
NL18
5310-01-575-3805INTERCHANGEABLE
WASHER,LOCK
NL10SP
5310-01-576-5168INTERCHANGEABLE
WASHER,LOCK
12422608-023

Frequently Asked Questions

What is NSN 5310-01-577-5909?

NSN 5310-01-577-5909 is a Washer,lock, manufactured by Fabory Usa Ltd., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-577-5909?

NSN 5310-01-577-5909 has 3 cross-referenced part numbers: 12422608 (U S Army Tank Automotive Command Amsta-Im-Mm), 12422608-030 (U S Army Tank Automotive Command Amsta-Im-Mm), NL22SP (Fabory Usa Ltd.).

What NSN replaces 5310-01-577-5909?

There are 11 known substitutes for 5310-01-577-5909: 5310-01-501-3375, 5310-01-501-7502, 5310-01-501-7515 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NL22SP?

Key specifications for NL22SP: Special Features: IF THE TWO WASHERS BECOME DETACHED,REATTACH BY MATING THE TAPERED SURFACES BEFORE ASSEMBLY; Outside Diameter: 42.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: WASHER,NORDLOCK; End Item Identification: 2320-01-508-8859 TRUCK,MATERIALS HANDLING-CONTAINER HOISTING. 11 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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