PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

44048Washer,flat

Lucent Technologies Inc Dba Federal Marketing Group · NSN 5310-00-205-8261 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-205-8261 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-205-8261. Primary manufacturer part number: 44048.
Features
  • Washer,flat — FSC 5310
  • Hole Diameter: 0.156 INCHES NOMINAL IN
  • Overall Diameter: 0.375 INCHES NOMINAL IN
  • Surface Treatment: CADMIUM OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Material: STEEL OVERALL
  • Center Hole Shape Style: ROUND
  • Thickness: 0.062 INCHES NOMINAL IN
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-205-8261, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Lucent Technologies Inc Dba Federal Marketing Group. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System. 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 government interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-00-205-8261
Primary Part Number44048
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerLucent Technologies Inc Dba Federal Marketing Group
StatusCANCELLED
Hole Diameter0.156 INCHES NOMINAL IN
Overall Diameter0.375 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MaterialSTEEL OVERALL
Center Hole Shape StyleROUND
Thickness0.062 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
⇄ Verified Substitutes 4
5950-00-329-5504 INTERCHANGEABLE
Transformer,power
4730-00-406-6991217-152 INTERCHANGEABLE
Adapter,straight,pipe to Hose
Cnh Industrial America Llc Dba Cnh America
4030-01-100-5243 INTERCHANGEABLE
Wedge,wire Rope Socket
2990-01-106-4691 INTERCHANGEABLE
Muffler,exhaust
Cross-Reference Index
Part NumberManufacturer
44048 Lucent Technologies Inc Dba Federal Marketing Group (USA)
44048 American Telephone and Telegraph Co (USA)
FF-W-92B Federal Specifications Promulgated by General Services Administration Washington DC (USA)
44048 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5950-00-329-5504INTERCHANGEABLE
TRANSFORMER,POWER
4730-00-406-6991INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO HOSE
217-152
4030-01-100-5243INTERCHANGEABLE
WEDGE,WIRE ROPE SOCKET
2990-01-106-4691INTERCHANGEABLE
MUFFLER,EXHAUST

Frequently Asked Questions

What is NSN 5310-00-205-8261?

NSN 5310-00-205-8261 is a Washer,flat, manufactured by Lucent Technologies Inc Dba Federal Marketing Group, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-00-205-8261?

NSN 5310-00-205-8261 has 4 cross-referenced part numbers: 44048 (Lucent Technologies Inc Dba Federal Marketing Group), 44048 (American Telephone and Telegraph Co), FF-W-92B (Federal Specifications Promulgated by General Services Administration Washington DC), 44048 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5310-00-205-8261?

There are 4 known substitutes for 5310-00-205-8261: 5950-00-329-5504, 4730-00-406-6991, 4030-01-100-5243 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 44048?

Key specifications for 44048: Hole Diameter: 0.156 INCHES NOMINAL IN; Overall Diameter: 0.375 INCHES NOMINAL IN; Surface Treatment: CADMIUM OVERALL; Surface Treatment Document and Classification: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 9 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-00-205-8261 still in active supply?

NSN 5310-00-205-8261 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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