PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

P1680Washer,flat

Bae Systems Land & Armaments L.p. · NSN 5310-00-011-4946 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-00-011-4946 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-011-4946. Primary manufacturer part number: P1680.
Features
  • Washer,flat — FSC 5310
  • Overall Diameter: 0.562 INCHES NOMINAL IN
  • Peripheral Shape Style: ROUND
  • Material Document and Classification: QQ-B-611,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Center Hole Shape Style: ROUND
  • Material: COPPER ALLOY OVERALL
  • Thickness: 0.049 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: RECTANGULAR
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Copper Alloy Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-00-011-4946, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Bae Systems Land & Armaments L.p.. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-00-011-4946
Primary Part NumberP1680
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerBae Systems Land & Armaments L.p.
StatusACTIVE
Overall Diameter0.562 INCHES NOMINAL IN
Peripheral Shape StyleROUND
Material Document and ClassificationQQ-B-611,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Center Hole Shape StyleROUND
MaterialCOPPER ALLOY OVERALL
Thickness0.049 INCHES NOMINAL IN
Cross-Sectional Shape StyleRECTANGULAR
Hole Diameter0.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5950-00-026-9416949-12425-3 INTERCHANGEABLE
Coil,radio Frequency
Cardwell Condenser Corp Lapointe-Admiral Div
5950-00-075-033214528 INTERCHANGEABLE
Coil,radio Frequency
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
5133-00-142-498114528 INTERCHANGEABLE
Bit,forstner
Vermont American Corp
6760-00-253-768514528 INTERCHANGEABLE
Case,photographic Equipment
Hensoldt Optronics Gmbh
5306-00-485-320214528 INTERCHANGEABLE
Bolt Assy-Bellow Di
Honeywell International, Inc Div Aerospace-Tucson
5950-00-591-774752556 INTERCHANGEABLE
Transformer,current
Stewart & Stevenson Power Products Llc
5340-01-079-8095A14528 INTERCHANGEABLE
Plug,protective,dust and Moistur
Dayton-Granger, Inc.
5910-01-169-6027 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
5985-01-205-2685 INTERCHANGEABLE
Coupler,antenna
6240-01-344-477650PAR20/CAP/NSP/130V INTERCHANGEABLE
Lamp,incandescent
Gte Products Corp Sylvania Miniature Lighting Div
Cross-Reference Index
Part NumberManufacturer
114946 General Motors Llc Dba General Motors Llc (USA)
114946 General Motors Corp (USA)
114946 Army Weapons Command Attn Amswe-Ree-S (USA)
P1680 PRIMARY Bae Systems Land & Armaments L.p. (USA)
114946 PRIMARY Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
14528 PRIMARY Stewart-Warner Corporation (USA)
P1680 Fmc Corp (USA)
Related Parts
5950-00-026-9416INTERCHANGEABLE
COIL,RADIO FREQUENCY
949-12425-3
5950-00-075-0332INTERCHANGEABLE
COIL,RADIO FREQUENCY
14528
5133-00-142-4981INTERCHANGEABLE
BIT,FORSTNER
14528
6760-00-253-7685INTERCHANGEABLE
CASE,PHOTOGRAPHIC EQUIPMENT
14528
5306-00-485-3202INTERCHANGEABLE
BOLT ASSY-BELLOW DI
14528
5950-00-591-7747INTERCHANGEABLE
TRANSFORMER,CURRENT
52556
5340-01-079-8095INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
A14528
5910-01-169-6027INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
5985-01-205-2685INTERCHANGEABLE
COUPLER,ANTENNA
6240-01-344-4776INTERCHANGEABLE
LAMP,INCANDESCENT
50PAR20/CAP/NSP/130V

Frequently Asked Questions

What is NSN 5310-00-011-4946?

NSN 5310-00-011-4946 is a Washer,flat, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-00-011-4946?

NSN 5310-00-011-4946 has 7 cross-referenced part numbers: 114946 (General Motors Llc Dba General Motors Llc), 114946 (General Motors Corp), 114946 (Army Weapons Command Attn Amswe-Ree-S), P1680 (Bae Systems Land & Armaments L.p.), 114946 (Chrysler Realty Company Llc Dba Daimler Chrysler) and 2 more.

What NSN replaces 5310-00-011-4946?

There are 10 known substitutes for 5310-00-011-4946: 5950-00-026-9416, 5950-00-075-0332, 5133-00-142-4981 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of P1680?

Key specifications for P1680: Overall Diameter: 0.562 INCHES NOMINAL IN; Peripheral Shape Style: ROUND; Material Document and Classification: QQ-B-611,CANC FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Center Hole Shape Style: ROUND. 8 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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