PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18-58-1Washer,flat

All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners · NSN 5310-00-145-2459 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-145-2459 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-145-2459. Primary manufacturer part number: 18-58-1.
Features
  • Washer,flat — FSC 5310
  • Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
  • Overall Diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
  • Thickness: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
  • Center Hole Shape Style: ROUND
  • Cross-Sectional Shape Style: RECTANGULAR
  • Hole Diameter: 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Plastic Polyhexamethylene Adipamide Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-145-2459, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners. Government technical data includes 8 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-145-2459
Primary Part Number18-58-1
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerAll Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners
StatusACTIVE
Material Document and ClassificationL-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
MaterialPLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL
Overall Diameter0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
Thickness0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5330-00-489-095818581 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
2530-00-670-3832920556 INTERCHANGEABLE
Parts Kit,steering Gear
Am General Llc
5950-00-900-007718581 INTERCHANGEABLE
Transformer,audio Frequency
Astec America Inc.
4935-00-911-2926 INTERCHANGEABLE
Cover Assembly,pump
5950-01-011-3415SM-C-416400 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5306-01-137-302018581 INTERCHANGEABLE
Bolt,pump,fuel Boos
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5970-01-393-2986302-0434-020 INTERCHANGEABLE
Insulator,washer
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
302-0434-020 Apollo Aerospace (USA)
18-58-1 PRIMARY All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners (USA)
302-0434-020 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA)
Related Parts
5330-00-489-0958INTERCHANGEABLE
SEAL,PLAIN ENCASED
18581
2530-00-670-3832INTERCHANGEABLE
PARTS KIT,STEERING GEAR
920556
5950-00-900-0077INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
18581
4935-00-911-2926INTERCHANGEABLE
COVER ASSEMBLY,PUMP
5950-01-011-3415INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-C-416400
5306-01-137-3020INTERCHANGEABLE
BOLT,PUMP,FUEL BOOS
18581
5970-01-393-2986INTERCHANGEABLE
INSULATOR,WASHER
302-0434-020

Frequently Asked Questions

What is NSN 5310-00-145-2459?

NSN 5310-00-145-2459 is a Washer,flat, manufactured by All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-145-2459?

NSN 5310-00-145-2459 has 3 cross-referenced part numbers: 302-0434-020 (Apollo Aerospace), 18-58-1 (All Manufacturers, Inc. Dba Allied Harbor Aerospace Fasteners), 302-0434-020 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).

What NSN replaces 5310-00-145-2459?

There are 7 known substitutes for 5310-00-145-2459: 5330-00-489-0958, 2530-00-670-3832, 5950-00-900-0077 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18-58-1?

Key specifications for 18-58-1: Material Document and Classification: L-P-410 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Material: PLASTIC POLYHEXAMETHYLENE ADIPAMIDE OVERALL; Overall Diameter: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN; Thickness: 0.018 INCHES MINIMUM AND 0.022 INCHES MAXIMUM IN. 8 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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