NSN 5310-00-330-3306 · NIIN 003303306 · Part number 220120
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems · FSC 5310 — Nuts and Washers · FSG 53 — Hardware and Abrasives · CAGE 05257
Government record, cited
NSN 5310-00-330-3306 — this item is cataloged by the U.S. Government under National Stock Number 5310-00-330-3306. Manufacturer of record part number: 220120.
Also searched as5310-00-330-3306 ·
5310003303306 ·
NIIN 003303306 ·
00-330-3306 ·
FSC 5310 Nuts and Washers · CAGE 05257 · 220120
Material Document and Classification: QQ-S-763,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style: RECTANGULAR
Peripheral Shape Style: ROUND
Material: STEEL COMP 416 OVERALL
Center Hole Shape Style: ROUND
Identification
NSN: 5310-00-330-3306
NIIN: 003303306
FSC: 5310 — Nuts and Washers
FSG: 53 — Hardware and Abrasives
Primary part number: 220120
Manufacturer: General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
General Description
The Washer,flat, cataloged under National Stock Number 5310-00-330-3306, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5310-00-330-3306
Primary Part Number
220120
Item Name
Washer,flat
FSC / FSG
5310 / 53 — Nuts and Washers
Manufacturer
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems
Status
ACTIVE
Overall Diameter
0.240 INCHES NOMINAL IN
Heat Treatment
AS FABRICATED
Material Document and Classification
QQ-S-763,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Cross-Sectional Shape Style
RECTANGULAR
Peripheral Shape Style
ROUND
Material
STEEL COMP 416 OVERALL
Center Hole Shape Style
ROUND
Hole Diameter
0.135 INCHES NOMINAL IN
Thickness
0.010 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
6640-00-926-8959220120POSSIBLE MATCH
TUBE,SPECIMEN
Possible match (shared part number)Becton-Dickinson and Co Vacutainer Systems Div
6105-01-202-5743POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
Possible match (shared part number)
5910-01-384-9822220120POSSIBLE MATCH
CAPACITOR,FIXED,MICA DIELECTRIC
Possible match (shared part number)Datron World Communications, Inc.
7643-01-405-19812201 20POSSIBLE MATCH
TOPOGRAPHIC GEOSPATIAL PRODUCTS
Possible match (shared part number)National Geospatial-Intelligence Agency Etds Mailstop J 21
6515-01-428-7633POSSIBLE MATCH
ROD,DISTRACTION
Possible match (shared part number)
5340-01-607-2619220120POSSIBLE MATCH
BRACKET,ANGLE
Possible match (shared part number)Terex Usa, Llc Dba Terex Usa, Llc
General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems (CAN)
Related Parts
6640-00-926-8959POSSIBLE MATCH
TUBE,SPECIMEN
220120
6105-01-202-5743POSSIBLE MATCH
MOTOR,ALTERNATING CURRENT
5910-01-384-9822POSSIBLE MATCH
CAPACITOR,FIXED,MICA DIELECTRIC
220120
7643-01-405-1981POSSIBLE MATCH
TOPOGRAPHIC GEOSPATIAL PRODUCTS
2201 20
6515-01-428-7633POSSIBLE MATCH
ROD,DISTRACTION
5340-01-607-2619POSSIBLE MATCH
BRACKET,ANGLE
220120
Frequently Asked Questions
What is NSN 5310-00-330-3306?
NSN 5310-00-330-3306 is a Washer,flat, manufactured by General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems, classified under FSC 5310, Nuts and Washers. Status: active.
What part numbers are listed for NSN 5310-00-330-3306?
NSN 5310-00-330-3306 has 1 manufacturer part number on file: 220120 (General Dynamics Land Systems - Canadacorporation Div General Dynamics Mission Systems).
What NSN replaces 5310-00-330-3306?
6 possible matches (shared part number, not a government interchangeability claim): 6640-00-926-8959, 6105-01-202-5743, 5910-01-384-9822. Verify interchangeability with system specifications before substitution.
What are the specifications of 220120?
Key specifications for 220120: Overall Diameter: 0.240 INCHES NOMINAL IN; Heat Treatment: AS FABRICATED; Material Document and Classification: QQ-S-763,COND T FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5310-00-330-3306 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.