PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D301114 FIND NO 149Washer,flat

Control Flow, Inc. Dba Control Flow Inc · NSN 5310-01-447-6391 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-447-6391 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-447-6391. Primary manufacturer part number: D301114 FIND NO 149.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.727 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
  • Material: STEEL COMP 316 OVERALL
  • Departure From Cited Document: AS MODIFIED BY MATERIAL
  • Surface Treatment: PASSIVATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Hole Diameter: 0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 316 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-447-6391, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Control Flow, Inc. Dba Control Flow Inc. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-447-6391
Primary Part NumberD301114 FIND NO 149
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerControl Flow, Inc. Dba Control Flow Inc
StatusACTIVE
Overall Diameter0.727 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN
MaterialSTEEL COMP 316 OVERALL
Departure From Cited DocumentAS MODIFIED BY MATERIAL
Surface TreatmentPASSIVATE OVERALL
Surface Treatment Document and ClassificationQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Hole Diameter0.307 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
Peripheral Shape StyleROUND
Thickness0.051 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
Center Hole Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-680-6745 INTERCHANGEABLE
Washer,flat
5310-00-880-5977MS15795-811 INTERCHANGEABLE
Washer,flat
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5310-01-032-6480 INTERCHANGEABLE
Washer,flat
5310-01-149-7789 INTERCHANGEABLE
Washer,flat
Cross-Reference Index
Part NumberManufacturer
D301114 FIND NO 149 Control Flow, Inc. Dba Control Flow Inc (USA)
MS15795-811 CRE S 316 ONLY Zf Industrieantriebe Witten Gmbh (DEU)
MS157950811 National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA)
MS15795-811 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5310-00-680-6745INTERCHANGEABLE
WASHER,FLAT
5310-00-880-5977INTERCHANGEABLE
WASHER,FLAT
MS15795-811
5310-01-032-6480INTERCHANGEABLE
WASHER,FLAT
5310-01-149-7789INTERCHANGEABLE
WASHER,FLAT

Frequently Asked Questions

What is NSN 5310-01-447-6391?

NSN 5310-01-447-6391 is a Washer,flat, manufactured by Control Flow, Inc. Dba Control Flow Inc, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-447-6391?

NSN 5310-01-447-6391 has 4 cross-referenced part numbers: D301114 FIND NO 149 (Control Flow, Inc. Dba Control Flow Inc), MS15795-811 CRE S 316 ONLY (Zf Industrieantriebe Witten Gmbh), MS157950811 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), MS15795-811 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 5310-01-447-6391?

There are 4 known substitutes for 5310-01-447-6391: 5310-00-680-6745, 5310-00-880-5977, 5310-01-032-6480 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D301114 FIND NO 149?

Key specifications for D301114 FIND NO 149: Overall Diameter: 0.727 INCHES MINIMUM AND 0.749 INCHES MAXIMUM IN; Material: STEEL COMP 316 OVERALL; Departure From Cited Document: AS MODIFIED BY MATERIAL; Surface Treatment: PASSIVATE OVERALL. 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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