PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1520-4Washer,flat

Tescom Corp Dba Tescom Div Tescom · NSN 5310-01-384-5407 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-384-5407 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-384-5407. Primary manufacturer part number: 1520-4.
Features
  • Washer,flat — FSC 5310
  • Criticality Code Justification: ZZZY
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • 2 verified cross-references
  • Primary manufacturer: Tescom Corp Dba Tescom Div Tescom
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-384-5407, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Tescom Corp Dba Tescom Div Tescom. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5310-01-384-5407
Primary Part Number1520-4
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerTescom Corp Dba Tescom Div Tescom
StatusACTIVE
Criticality Code JustificationZZZY
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6680-00-229-497515204 INTERCHANGEABLE
Indicator,sight,liquid
Gits Mfg Co Inc
5120-00-293-299715194 INTERCHANGEABLE
Face,hammer,inserted
Nupla Corporation
7025-00-539-1505 INTERCHANGEABLE
Shaft,inter
4820-00-577-7668 INTERCHANGEABLE
Seat,valve
5910-00-682-37910150-0070 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Keysight Technologies Inc
5305-00-812-3549 INTERCHANGEABLE
Screw,machine
5940-00-926-0026 INTERCHANGEABLE
Terminal,feedthru
5961-00-962-0535 INTERCHANGEABLE
Transistor
4820-01-071-4745 INTERCHANGEABLE
Seat,valve
5315-01-209-2888H15204 INTERCHANGEABLE
Pin,straight,headless
Meggitt Defense Systems, Inc. Dba Meggitt Defense Systems Inc
Cross-Reference Index
Part NumberManufacturer
1520-4 Tescom Corp Dba Tescom Div Tescom (USA)
A41162-01ASSY26-1601-24FN102 Tescom Corp Dba Tescom Div Tescom (USA)
Related Parts
6680-00-229-4975INTERCHANGEABLE
INDICATOR,SIGHT,LIQUID
15204
5120-00-293-2997INTERCHANGEABLE
FACE,HAMMER,INSERTED
15194
7025-00-539-1505INTERCHANGEABLE
SHAFT,INTER
4820-00-577-7668INTERCHANGEABLE
SEAT,VALVE
5910-00-682-3791INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
0150-0070
5305-00-812-3549INTERCHANGEABLE
SCREW,MACHINE
5940-00-926-0026INTERCHANGEABLE
TERMINAL,FEEDTHRU
5961-00-962-0535INTERCHANGEABLE
TRANSISTOR
4820-01-071-4745INTERCHANGEABLE
SEAT,VALVE
5315-01-209-2888INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
H15204
2590-01-378-9371INTERCHANGEABLE
PAD,CUSHIONING
5340-01-412-6315INTERCHANGEABLE
HANDLE,MANUAL CONTROL
1545 PIECE 4

Frequently Asked Questions

What is NSN 5310-01-384-5407?

NSN 5310-01-384-5407 is a Washer,flat, manufactured by Tescom Corp Dba Tescom Div Tescom, classified under FSC 5310 (No Item Name Available). Status: active.

What are the part numbers for NSN 5310-01-384-5407?

NSN 5310-01-384-5407 has 2 cross-referenced part numbers: 1520-4 (Tescom Corp Dba Tescom Div Tescom), A41162-01ASSY26-1601-24FN102 (Tescom Corp Dba Tescom Div Tescom).

What NSN replaces 5310-01-384-5407?

There are 12 known substitutes for 5310-01-384-5407: 6680-00-229-4975, 5120-00-293-2997, 7025-00-539-1505 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1520-4?

Key specifications for 1520-4: Criticality Code Justification: ZZZY; Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS. 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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