PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

98019A509Washer,flat

Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp · NSN 5310-00-767-9425 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-767-9425 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-767-9425. Primary manufacturer part number: 98019A509.
Features
  • Washer,flat — FSC 5310
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL
  • Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
  • Overall Diameter: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Nondefinitive Spec/std Data: A TYPE AND 1 GRADE AND B CLASS
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 301 or Steel Comp 302 or Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-767-9425, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 25 commercial cross-references from 20 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-767-9425
Primary Part Number98019A509
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSuperior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp
StatusCANCELLED
Peripheral Shape StyleROUND
Material Document and Classification66 FED STD ALL MATERIAL RESPONSES OVERALL
MaterialSTEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL
Overall Diameter1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Nondefinitive Spec/std DataA TYPE AND 1 GRADE AND B CLASS
Thickness0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM IN
Hole Diameter0.526 INCHES MINIMUM AND 0.546 INCHES MAXIMUM IN
Cross-Sectional Shape StyleRECTANGULAR
Center Hole Shape StyleROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-246-9218 INTERCHANGEABLE
Elbow,pipe
5306-00-337-0714S6100-607661PC14 INTERCHANGEABLE
Bolt,eye
Naval Ship Systems Command
5310-00-543-2862 INTERCHANGEABLE
Washer,flat
5330-00-970-6510102710 INTERCHANGEABLE
Gasket
L3harris Technologies, Inc Div Space & Airborne Systems
5998-01-011-6814102710 INTERCHANGEABLE
Circuit Card Assembly
Aimtron Systems, Llc
5365-01-019-2045 INTERCHANGEABLE
Spacer,ring
5330-01-225-4799102710 INTERCHANGEABLE
Seal,plain
Circor Aerospace, Inc. Dba Circor Aerospace Inc
3040-01-280-3914 INTERCHANGEABLE
Extension Shaft
4810-01-317-782482331 INTERCHANGEABLE
Solenoid,valve
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5310-01-465-0892 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
5310PL0125499 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5310PL1389102 Jednolity Indeks Materialowy - Uniform Material Index (POL)
50487 Eka Limited (GBR)
10-2710 Parker Hannifin Corporation Div Village Marine Tech (USA)
145-4510954M25 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
EB9712100-10-2710 Parker Hannifin Corporation Div Village Marine Tech (USA)
6961897 FIND 12 Naval Sea Systems Command (USA)
98019A509 PRIMARY Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp (USA)
MS15795-818 PRIMARY National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
98019A509 Mcmaster-Carr Supply Company (USA)
MS15795-818 Intec Srl a Socio Unico (ITA)
MS15795-818 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
245-4510949-65 Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA)
MS15795-818 CRE S 316 Zf Industrieantriebe Witten Gmbh (DEU)
98019A509 Mcmaster-Carr Supply Co (USA)
MS15795-818 Leonardo Uk Ltd (GBR)
M1170-917179 Forsvarets Materielverk (SWE)
MS15795-818 Insitu Pacific Pty Ltd (AUS)
5310007679425 E.c.a Etablissement Centrald'approvisionnement Des Forces Armee
MS 15795-818 Alma Fastening Systems, Inc. (USA)
Related Parts
4730-00-246-9218INTERCHANGEABLE
ELBOW,PIPE
5306-00-337-0714INTERCHANGEABLE
BOLT,EYE
S6100-607661PC14
5310-00-543-2862INTERCHANGEABLE
WASHER,FLAT
5330-00-970-6510INTERCHANGEABLE
GASKET
102710
5998-01-011-6814INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
102710
5365-01-019-2045INTERCHANGEABLE
SPACER,RING
5330-01-225-4799INTERCHANGEABLE
SEAL,PLAIN
102710
3040-01-280-3914INTERCHANGEABLE
EXTENSION SHAFT
4810-01-317-7824INTERCHANGEABLE
SOLENOID,VALVE
82331
5310-01-465-0892INTERCHANGEABLE
WASHER,FLAT
4810-01-475-4615INTERCHANGEABLE
SEAT,VALVE
8-4243
4810-01-475-7616INTERCHANGEABLE
STEM,NEEDLE VALVE
8-4245

Frequently Asked Questions

What is NSN 5310-00-767-9425?

NSN 5310-00-767-9425 is a Washer,flat, manufactured by Superior Washer & Gasket Corp. Dba Superior Washer & Gasket Corp, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-767-9425?

NSN 5310-00-767-9425 has 25 cross-referenced part numbers: 5310PL0125499 (Jednolity Indeks Materialowy - Uniform Material Index), 5310PL1389102 (Jednolity Indeks Materialowy - Uniform Material Index), 50487 (Eka Limited), 10-2710 (Parker Hannifin Corporation Div Village Marine Tech), 145-4510954M25 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace) and 20 more.

What NSN replaces 5310-00-767-9425?

There are 12 known substitutes for 5310-00-767-9425: 4730-00-246-9218, 5306-00-337-0714, 5310-00-543-2862 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 98019A509?

Key specifications for 98019A509: Peripheral Shape Style: ROUND; Material Document and Classification: 66 FED STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL COMP 301 OR STEEL COMP 302 OR STEEL COMP 316 OVERALL; Overall Diameter: 1.055 INCHES MINIMUM AND 1.092 INCHES MAXIMUM IN. 13 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-767-9425 still in active supply?

NSN 5310-00-767-9425 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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