PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9004-1-4Washer,flat

Tactair Fluid Controls Inc · NSN 5310-00-558-9201 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-558-9201 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-558-9201. Primary manufacturer part number: 9004-1-4.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: RECTANGULAR
  • Surface Treatment: ANODIZE OVERALL
  • Material: ALUMINUM ALLOY 2024 OVERALL
  • Material Document and Classification: QQ-A-250/5 T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-558-9201, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 9 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-558-9201
Primary Part Number9004-1-4
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTactair Fluid Controls Inc
StatusCANCELLED
Hole Diameter0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Surface TreatmentANODIZE OVERALL
MaterialALUMINUM ALLOY 2024 OVERALL
Material Document and ClassificationQQ-A-250/5 T3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
Overall Diameter0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
Thickness0.020 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
4010-00-141-7081900414 INTERCHANGEABLE
Chain Assembly,single Leg
Army, United States Department of the Dba Rock Island Arsenal Jmtc
5935-01-216-0159900-414 INTERCHANGEABLE
Cover,electrical Connector
Electro Adapter Inc
5305-01-487-7947900414 INTERCHANGEABLE
Screw,machine
L3 Technologies, Inc. Div L3 Keo
Cross-Reference Index
Part NumberManufacturer
SP4300-13 Northrop Grumman Systems Corporation (USA)
GW10U55AA3 Northrop Grumman Systems Corporation (USA)
9004-1-4 PRIMARY Tactair Fluid Controls Inc (USA)
Related Parts
4010-00-141-7081INTERCHANGEABLE
CHAIN ASSEMBLY,SINGLE LEG
900414
5935-01-216-0159INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
900-414
5305-01-487-7947INTERCHANGEABLE
SCREW,MACHINE
900414

Frequently Asked Questions

What is NSN 5310-00-558-9201?

NSN 5310-00-558-9201 is a Washer,flat, manufactured by Tactair Fluid Controls Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-558-9201?

NSN 5310-00-558-9201 has 3 cross-referenced part numbers: SP4300-13 (Northrop Grumman Systems Corporation), GW10U55AA3 (Northrop Grumman Systems Corporation), 9004-1-4 (Tactair Fluid Controls Inc).

What NSN replaces 5310-00-558-9201?

There are 3 known substitutes for 5310-00-558-9201: 4010-00-141-7081, 5935-01-216-0159, 5305-01-487-7947. Verify interchangeability with system specifications before substitution.

What are the specifications of 9004-1-4?

Key specifications for 9004-1-4: Hole Diameter: 0.380 INCHES MINIMUM AND 0.400 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ANODIZE OVERALL; Material: ALUMINUM ALLOY 2024 OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-558-9201 still in active supply?

NSN 5310-00-558-9201 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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