PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1273Washer,flat

Silver Eagle Manufacturing Co · NSN 5310-01-559-6978 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-559-6978 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-559-6978. Primary manufacturer part number: 1273.
Features
  • Washer,flat — FSC 5310
  • 1 verified cross-reference
  • Primary manufacturer: Silver Eagle Manufacturing Co
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-559-6978, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Silver Eagle Manufacturing Co. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-559-6978
Primary Part Number1273
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerSilver Eagle Manufacturing Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-144-9004060-11 INTERCHANGEABLE
Bearing,ball,annular
Lockheed Martin Corporation Div Rms - Mitchel Field
5310-00-208-1919 INTERCHANGEABLE
Nut,self-Locking,hexagon
3110-00-275-02391828S71 INTERCHANGEABLE
Bearing,ball,thrust
Meritor Heavy Vehicle Systems, Llc
5305-00-276-84571273 INTERCHANGEABLE
Screw,cap,hexagon Head
Eaton Aerospace, Llc Dba Jackson South
6685-00-425-51416N4540 INTERCHANGEABLE
Thermostat,flow Control
Caterpillar Inc Div Caterpillar Defense
3120-00-513-48011273 INTERCHANGEABLE
Bearing,plain,rod End
Goodrich Corporation
5905-00-777-8326 INTERCHANGEABLE
Resistor,fixed,wire Wound
5975-01-065-2264BUC-75 INTERCHANGEABLE
Bushing,electrical Conduit
Egs Electrical Group Appleton Div
5940-01-097-02641273 INTERCHANGEABLE
Terminal Strip,grounding
Crown Audio, Inc. Dba Crown International
4140-01-236-29301273 INTERCHANGEABLE
Impeller,fan,axial
Grindmaster Corp
Cross-Reference Index
Part NumberManufacturer
1273 PRIMARY Silver Eagle Manufacturing Co (USA)
Related Parts
3110-00-144-9004INTERCHANGEABLE
BEARING,BALL,ANNULAR
060-11
5310-00-208-1919INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
3110-00-275-0239INTERCHANGEABLE
BEARING,BALL,THRUST
1828S71
5305-00-276-8457INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
1273
6685-00-425-5141INTERCHANGEABLE
THERMOSTAT,FLOW CONTROL
6N4540
3120-00-513-4801INTERCHANGEABLE
BEARING,PLAIN,ROD END
1273
5905-00-777-8326INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
5975-01-065-2264INTERCHANGEABLE
BUSHING,ELECTRICAL CONDUIT
BUC-75
5940-01-097-0264INTERCHANGEABLE
TERMINAL STRIP,GROUNDING
1273
4140-01-236-2930INTERCHANGEABLE
IMPELLER,FAN,AXIAL
1273
5998-01-454-1622INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
1273

Frequently Asked Questions

What is NSN 5310-01-559-6978?

NSN 5310-01-559-6978 is a Washer,flat, manufactured by Silver Eagle Manufacturing Co, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-559-6978?

NSN 5310-01-559-6978 has 1 cross-referenced part number: 1273 (Silver Eagle Manufacturing Co).

What NSN replaces 5310-01-559-6978?

There are 11 known substitutes for 5310-01-559-6978: 3110-00-144-9004, 5310-00-208-1919, 3110-00-275-0239 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1273?

Key specifications for 1273: End Item Identification: 4320-01-533-6418;600 GPM PUMP ASSEMBLY,WATER; Part Name Assigned by Controlling Agency: WASHER,FLAT. 2 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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